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Merge pull request #9091 from Vexu/translate-c

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Translate-c: move utility functions to a separate namespace
This commit is contained in:
Veikka Tuominen
2021-06-15 07:59:46 +03:00
committed by GitHub
parent ac42503266 6dbdac4b60
commit 97946e2a41
10 changed files with 803 additions and 780 deletions
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1
lib/std/c.zig
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@@ -10,7 +10,6 @@ const page_size = std.mem.page_size;
pub const tokenizer = @import("c/tokenizer.zig");
pub const Token = tokenizer.Token;
pub const Tokenizer = tokenizer.Tokenizer;
pub const builtins = @import("c/builtins.zig");
test {
_ = tokenizer;

317
lib/std/crypto/pcurves/p256/p256_64.zig
View File

@@ -18,7 +18,6 @@
// if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
const std = @import("std");
const cast = std.meta.cast;
const mode = std.builtin.mode; // Checked arithmetic is disabled in non-debug modes to avoid side channels
// The type MontgomeryDomainFieldElement is a field element in the Montgomery domain.
@@ -148,7 +147,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x17: u64 = undefined;
var x18: u1 = undefined;
addcarryxU64(&x17, &x18, x16, x8, x5);
const x19 = (cast(u64, x18) + x6);
const x19 = (@as(u64, x18) + x6);
var x20: u64 = undefined;
var x21: u64 = undefined;
mulxU64(&x20, &x21, x11, 0xffffffff00000001);
@@ -161,7 +160,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x26: u64 = undefined;
var x27: u1 = undefined;
addcarryxU64(&x26, &x27, 0x0, x25, x22);
const x28 = (cast(u64, x27) + x23);
const x28 = (@as(u64, x27) + x23);
var x29: u64 = undefined;
var x30: u1 = undefined;
addcarryxU64(&x29, &x30, 0x0, x11, x24);
@@ -198,7 +197,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x51: u64 = undefined;
var x52: u1 = undefined;
addcarryxU64(&x51, &x52, x50, x42, x39);
const x53 = (cast(u64, x52) + x40);
const x53 = (@as(u64, x52) + x40);
var x54: u64 = undefined;
var x55: u1 = undefined;
addcarryxU64(&x54, &x55, 0x0, x31, x45);
@@ -213,7 +212,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
addcarryxU64(&x60, &x61, x59, x37, x51);
var x62: u64 = undefined;
var x63: u1 = undefined;
addcarryxU64(&x62, &x63, x61, cast(u64, x38), x53);
addcarryxU64(&x62, &x63, x61, @as(u64, x38), x53);
var x64: u64 = undefined;
var x65: u64 = undefined;
mulxU64(&x64, &x65, x54, 0xffffffff00000001);
@@ -226,7 +225,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x70: u64 = undefined;
var x71: u1 = undefined;
addcarryxU64(&x70, &x71, 0x0, x69, x66);
const x72 = (cast(u64, x71) + x67);
const x72 = (@as(u64, x71) + x67);
var x73: u64 = undefined;
var x74: u1 = undefined;
addcarryxU64(&x73, &x74, 0x0, x54, x68);
@@ -242,7 +241,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x81: u64 = undefined;
var x82: u1 = undefined;
addcarryxU64(&x81, &x82, x80, x62, x65);
const x83 = (cast(u64, x82) + cast(u64, x63));
const x83 = (@as(u64, x82) + @as(u64, x63));
var x84: u64 = undefined;
var x85: u64 = undefined;
mulxU64(&x84, &x85, x2, (arg2[3]));
@@ -264,7 +263,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x96: u64 = undefined;
var x97: u1 = undefined;
addcarryxU64(&x96, &x97, x95, x87, x84);
const x98 = (cast(u64, x97) + x85);
const x98 = (@as(u64, x97) + x85);
var x99: u64 = undefined;
var x100: u1 = undefined;
addcarryxU64(&x99, &x100, 0x0, x75, x90);
@@ -292,7 +291,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x115: u64 = undefined;
var x116: u1 = undefined;
addcarryxU64(&x115, &x116, 0x0, x114, x111);
const x117 = (cast(u64, x116) + x112);
const x117 = (@as(u64, x116) + x112);
var x118: u64 = undefined;
var x119: u1 = undefined;
addcarryxU64(&x118, &x119, 0x0, x99, x113);
@@ -308,7 +307,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x126: u64 = undefined;
var x127: u1 = undefined;
addcarryxU64(&x126, &x127, x125, x107, x110);
const x128 = (cast(u64, x127) + cast(u64, x108));
const x128 = (@as(u64, x127) + @as(u64, x108));
var x129: u64 = undefined;
var x130: u64 = undefined;
mulxU64(&x129, &x130, x3, (arg2[3]));
@@ -330,7 +329,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x141: u64 = undefined;
var x142: u1 = undefined;
addcarryxU64(&x141, &x142, x140, x132, x129);
const x143 = (cast(u64, x142) + x130);
const x143 = (@as(u64, x142) + x130);
var x144: u64 = undefined;
var x145: u1 = undefined;
addcarryxU64(&x144, &x145, 0x0, x120, x135);
@@ -358,7 +357,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x160: u64 = undefined;
var x161: u1 = undefined;
addcarryxU64(&x160, &x161, 0x0, x159, x156);
const x162 = (cast(u64, x161) + x157);
const x162 = (@as(u64, x161) + x157);
var x163: u64 = undefined;
var x164: u1 = undefined;
addcarryxU64(&x163, &x164, 0x0, x144, x158);
@@ -374,7 +373,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x171: u64 = undefined;
var x172: u1 = undefined;
addcarryxU64(&x171, &x172, x170, x152, x155);
const x173 = (cast(u64, x172) + cast(u64, x153));
const x173 = (@as(u64, x172) + @as(u64, x153));
var x174: u64 = undefined;
var x175: u1 = undefined;
subborrowxU64(&x174, &x175, 0x0, x165, 0xffffffffffffffff);
@@ -383,13 +382,13 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
subborrowxU64(&x176, &x177, x175, x167, 0xffffffff);
var x178: u64 = undefined;
var x179: u1 = undefined;
subborrowxU64(&x178, &x179, x177, x169, cast(u64, 0x0));
subborrowxU64(&x178, &x179, x177, x169, @as(u64, 0x0));
var x180: u64 = undefined;
var x181: u1 = undefined;
subborrowxU64(&x180, &x181, x179, x171, 0xffffffff00000001);
var x182: u64 = undefined;
var x183: u1 = undefined;
subborrowxU64(&x182, &x183, x181, x173, cast(u64, 0x0));
subborrowxU64(&x182, &x183, x181, x173, @as(u64, 0x0));
var x184: u64 = undefined;
cmovznzU64(&x184, x183, x174, x165);
var x185: u64 = undefined;
@@ -440,7 +439,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x17: u64 = undefined;
var x18: u1 = undefined;
addcarryxU64(&x17, &x18, x16, x8, x5);
const x19 = (cast(u64, x18) + x6);
const x19 = (@as(u64, x18) + x6);
var x20: u64 = undefined;
var x21: u64 = undefined;
mulxU64(&x20, &x21, x11, 0xffffffff00000001);
@@ -453,7 +452,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x26: u64 = undefined;
var x27: u1 = undefined;
addcarryxU64(&x26, &x27, 0x0, x25, x22);
const x28 = (cast(u64, x27) + x23);
const x28 = (@as(u64, x27) + x23);
var x29: u64 = undefined;
var x30: u1 = undefined;
addcarryxU64(&x29, &x30, 0x0, x11, x24);
@@ -490,7 +489,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x51: u64 = undefined;
var x52: u1 = undefined;
addcarryxU64(&x51, &x52, x50, x42, x39);
const x53 = (cast(u64, x52) + x40);
const x53 = (@as(u64, x52) + x40);
var x54: u64 = undefined;
var x55: u1 = undefined;
addcarryxU64(&x54, &x55, 0x0, x31, x45);
@@ -505,7 +504,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
addcarryxU64(&x60, &x61, x59, x37, x51);
var x62: u64 = undefined;
var x63: u1 = undefined;
addcarryxU64(&x62, &x63, x61, cast(u64, x38), x53);
addcarryxU64(&x62, &x63, x61, @as(u64, x38), x53);
var x64: u64 = undefined;
var x65: u64 = undefined;
mulxU64(&x64, &x65, x54, 0xffffffff00000001);
@@ -518,7 +517,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x70: u64 = undefined;
var x71: u1 = undefined;
addcarryxU64(&x70, &x71, 0x0, x69, x66);
const x72 = (cast(u64, x71) + x67);
const x72 = (@as(u64, x71) + x67);
var x73: u64 = undefined;
var x74: u1 = undefined;
addcarryxU64(&x73, &x74, 0x0, x54, x68);
@@ -534,7 +533,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x81: u64 = undefined;
var x82: u1 = undefined;
addcarryxU64(&x81, &x82, x80, x62, x65);
const x83 = (cast(u64, x82) + cast(u64, x63));
const x83 = (@as(u64, x82) + @as(u64, x63));
var x84: u64 = undefined;
var x85: u64 = undefined;
mulxU64(&x84, &x85, x2, (arg1[3]));
@@ -556,7 +555,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x96: u64 = undefined;
var x97: u1 = undefined;
addcarryxU64(&x96, &x97, x95, x87, x84);
const x98 = (cast(u64, x97) + x85);
const x98 = (@as(u64, x97) + x85);
var x99: u64 = undefined;
var x100: u1 = undefined;
addcarryxU64(&x99, &x100, 0x0, x75, x90);
@@ -584,7 +583,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x115: u64 = undefined;
var x116: u1 = undefined;
addcarryxU64(&x115, &x116, 0x0, x114, x111);
const x117 = (cast(u64, x116) + x112);
const x117 = (@as(u64, x116) + x112);
var x118: u64 = undefined;
var x119: u1 = undefined;
addcarryxU64(&x118, &x119, 0x0, x99, x113);
@@ -600,7 +599,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x126: u64 = undefined;
var x127: u1 = undefined;
addcarryxU64(&x126, &x127, x125, x107, x110);
const x128 = (cast(u64, x127) + cast(u64, x108));
const x128 = (@as(u64, x127) + @as(u64, x108));
var x129: u64 = undefined;
var x130: u64 = undefined;
mulxU64(&x129, &x130, x3, (arg1[3]));
@@ -622,7 +621,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x141: u64 = undefined;
var x142: u1 = undefined;
addcarryxU64(&x141, &x142, x140, x132, x129);
const x143 = (cast(u64, x142) + x130);
const x143 = (@as(u64, x142) + x130);
var x144: u64 = undefined;
var x145: u1 = undefined;
addcarryxU64(&x144, &x145, 0x0, x120, x135);
@@ -650,7 +649,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x160: u64 = undefined;
var x161: u1 = undefined;
addcarryxU64(&x160, &x161, 0x0, x159, x156);
const x162 = (cast(u64, x161) + x157);
const x162 = (@as(u64, x161) + x157);
var x163: u64 = undefined;
var x164: u1 = undefined;
addcarryxU64(&x163, &x164, 0x0, x144, x158);
@@ -666,7 +665,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x171: u64 = undefined;
var x172: u1 = undefined;
addcarryxU64(&x171, &x172, x170, x152, x155);
const x173 = (cast(u64, x172) + cast(u64, x153));
const x173 = (@as(u64, x172) + @as(u64, x153));
var x174: u64 = undefined;
var x175: u1 = undefined;
subborrowxU64(&x174, &x175, 0x0, x165, 0xffffffffffffffff);
@@ -675,13 +674,13 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
subborrowxU64(&x176, &x177, x175, x167, 0xffffffff);
var x178: u64 = undefined;
var x179: u1 = undefined;
subborrowxU64(&x178, &x179, x177, x169, cast(u64, 0x0));
subborrowxU64(&x178, &x179, x177, x169, @as(u64, 0x0));
var x180: u64 = undefined;
var x181: u1 = undefined;
subborrowxU64(&x180, &x181, x179, x171, 0xffffffff00000001);
var x182: u64 = undefined;
var x183: u1 = undefined;
subborrowxU64(&x182, &x183, x181, x173, cast(u64, 0x0));
subborrowxU64(&x182, &x183, x181, x173, @as(u64, 0x0));
var x184: u64 = undefined;
cmovznzU64(&x184, x183, x174, x165);
var x185: u64 = undefined;
@@ -728,13 +727,13 @@ pub fn add(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
subborrowxU64(&x11, &x12, x10, x3, 0xffffffff);
var x13: u64 = undefined;
var x14: u1 = undefined;
subborrowxU64(&x13, &x14, x12, x5, cast(u64, 0x0));
subborrowxU64(&x13, &x14, x12, x5, @as(u64, 0x0));
var x15: u64 = undefined;
var x16: u1 = undefined;
subborrowxU64(&x15, &x16, x14, x7, 0xffffffff00000001);
var x17: u64 = undefined;
var x18: u1 = undefined;
subborrowxU64(&x17, &x18, x16, cast(u64, x8), cast(u64, 0x0));
subborrowxU64(&x17, &x18, x16, @as(u64, x8), @as(u64, 0x0));
var x19: u64 = undefined;
cmovznzU64(&x19, x18, x9, x1);
var x20: u64 = undefined;
@@ -774,7 +773,7 @@ pub fn sub(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x8: u1 = undefined;
subborrowxU64(&x7, &x8, x6, (arg1[3]), (arg2[3]));
var x9: u64 = undefined;
cmovznzU64(&x9, x8, cast(u64, 0x0), 0xffffffffffffffff);
cmovznzU64(&x9, x8, @as(u64, 0x0), 0xffffffffffffffff);
var x10: u64 = undefined;
var x11: u1 = undefined;
addcarryxU64(&x10, &x11, 0x0, x1, x9);
@@ -783,7 +782,7 @@ pub fn sub(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
addcarryxU64(&x12, &x13, x11, x3, (x9 & 0xffffffff));
var x14: u64 = undefined;
var x15: u1 = undefined;
addcarryxU64(&x14, &x15, x13, x5, cast(u64, 0x0));
addcarryxU64(&x14, &x15, x13, x5, @as(u64, 0x0));
var x16: u64 = undefined;
var x17: u1 = undefined;
addcarryxU64(&x16, &x17, x15, x7, (x9 & 0xffffffff00000001));
@@ -806,18 +805,18 @@ pub fn opp(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x1: u64 = undefined;
var x2: u1 = undefined;
subborrowxU64(&x1, &x2, 0x0, cast(u64, 0x0), (arg1[0]));
subborrowxU64(&x1, &x2, 0x0, @as(u64, 0x0), (arg1[0]));
var x3: u64 = undefined;
var x4: u1 = undefined;
subborrowxU64(&x3, &x4, x2, cast(u64, 0x0), (arg1[1]));
subborrowxU64(&x3, &x4, x2, @as(u64, 0x0), (arg1[1]));
var x5: u64 = undefined;
var x6: u1 = undefined;
subborrowxU64(&x5, &x6, x4, cast(u64, 0x0), (arg1[2]));
subborrowxU64(&x5, &x6, x4, @as(u64, 0x0), (arg1[2]));
var x7: u64 = undefined;
var x8: u1 = undefined;
subborrowxU64(&x7, &x8, x6, cast(u64, 0x0), (arg1[3]));
subborrowxU64(&x7, &x8, x6, @as(u64, 0x0), (arg1[3]));
var x9: u64 = undefined;
cmovznzU64(&x9, x8, cast(u64, 0x0), 0xffffffffffffffff);
cmovznzU64(&x9, x8, @as(u64, 0x0), 0xffffffffffffffff);
var x10: u64 = undefined;
var x11: u1 = undefined;
addcarryxU64(&x10, &x11, 0x0, x1, x9);
@@ -826,7 +825,7 @@ pub fn opp(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
addcarryxU64(&x12, &x13, x11, x3, (x9 & 0xffffffff));
var x14: u64 = undefined;
var x15: u1 = undefined;
addcarryxU64(&x14, &x15, x13, x5, cast(u64, 0x0));
addcarryxU64(&x14, &x15, x13, x5, @as(u64, 0x0));
var x16: u64 = undefined;
var x17: u1 = undefined;
addcarryxU64(&x16, &x17, x15, x7, (x9 & 0xffffffff00000001));
@@ -865,7 +864,7 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x10, &x11, 0x0, x1, x6);
var x12: u64 = undefined;
var x13: u1 = undefined;
addcarryxU64(&x12, &x13, x11, cast(u64, 0x0), x8);
addcarryxU64(&x12, &x13, x11, @as(u64, 0x0), x8);
var x14: u64 = undefined;
var x15: u1 = undefined;
addcarryxU64(&x14, &x15, 0x0, x12, (arg1[1]));
@@ -886,10 +885,10 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x24, &x25, 0x0, x14, x20);
var x26: u64 = undefined;
var x27: u1 = undefined;
addcarryxU64(&x26, &x27, x25, (cast(u64, x15) + (cast(u64, x13) + (cast(u64, x9) + x5))), x22);
addcarryxU64(&x26, &x27, x25, (@as(u64, x15) + (@as(u64, x13) + (@as(u64, x9) + x5))), x22);
var x28: u64 = undefined;
var x29: u1 = undefined;
addcarryxU64(&x28, &x29, x27, x2, (cast(u64, x23) + x19));
addcarryxU64(&x28, &x29, x27, x2, (@as(u64, x23) + x19));
var x30: u64 = undefined;
var x31: u1 = undefined;
addcarryxU64(&x30, &x31, x29, x3, x16);
@@ -898,10 +897,10 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x32, &x33, 0x0, x26, (arg1[2]));
var x34: u64 = undefined;
var x35: u1 = undefined;
addcarryxU64(&x34, &x35, x33, x28, cast(u64, 0x0));
addcarryxU64(&x34, &x35, x33, x28, @as(u64, 0x0));
var x36: u64 = undefined;
var x37: u1 = undefined;
addcarryxU64(&x36, &x37, x35, x30, cast(u64, 0x0));
addcarryxU64(&x36, &x37, x35, x30, @as(u64, 0x0));
var x38: u64 = undefined;
var x39: u64 = undefined;
mulxU64(&x38, &x39, x32, 0xffffffff00000001);
@@ -922,19 +921,19 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x48, &x49, x47, x34, x44);
var x50: u64 = undefined;
var x51: u1 = undefined;
addcarryxU64(&x50, &x51, x49, x36, (cast(u64, x45) + x41));
addcarryxU64(&x50, &x51, x49, x36, (@as(u64, x45) + x41));
var x52: u64 = undefined;
var x53: u1 = undefined;
addcarryxU64(&x52, &x53, x51, (cast(u64, x37) + (cast(u64, x31) + x17)), x38);
addcarryxU64(&x52, &x53, x51, (@as(u64, x37) + (@as(u64, x31) + x17)), x38);
var x54: u64 = undefined;
var x55: u1 = undefined;
addcarryxU64(&x54, &x55, 0x0, x48, (arg1[3]));
var x56: u64 = undefined;
var x57: u1 = undefined;
addcarryxU64(&x56, &x57, x55, x50, cast(u64, 0x0));
addcarryxU64(&x56, &x57, x55, x50, @as(u64, 0x0));
var x58: u64 = undefined;
var x59: u1 = undefined;
addcarryxU64(&x58, &x59, x57, x52, cast(u64, 0x0));
addcarryxU64(&x58, &x59, x57, x52, @as(u64, 0x0));
var x60: u64 = undefined;
var x61: u64 = undefined;
mulxU64(&x60, &x61, x54, 0xffffffff00000001);
@@ -955,11 +954,11 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x70, &x71, x69, x56, x66);
var x72: u64 = undefined;
var x73: u1 = undefined;
addcarryxU64(&x72, &x73, x71, x58, (cast(u64, x67) + x63));
addcarryxU64(&x72, &x73, x71, x58, (@as(u64, x67) + x63));
var x74: u64 = undefined;
var x75: u1 = undefined;
addcarryxU64(&x74, &x75, x73, (cast(u64, x59) + (cast(u64, x53) + x39)), x60);
const x76 = (cast(u64, x75) + x61);
addcarryxU64(&x74, &x75, x73, (@as(u64, x59) + (@as(u64, x53) + x39)), x60);
const x76 = (@as(u64, x75) + x61);
var x77: u64 = undefined;
var x78: u1 = undefined;
subborrowxU64(&x77, &x78, 0x0, x70, 0xffffffffffffffff);
@@ -968,13 +967,13 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
subborrowxU64(&x79, &x80, x78, x72, 0xffffffff);
var x81: u64 = undefined;
var x82: u1 = undefined;
subborrowxU64(&x81, &x82, x80, x74, cast(u64, 0x0));
subborrowxU64(&x81, &x82, x80, x74, @as(u64, 0x0));
var x83: u64 = undefined;
var x84: u1 = undefined;
subborrowxU64(&x83, &x84, x82, x76, 0xffffffff00000001);
var x85: u64 = undefined;
var x86: u1 = undefined;
subborrowxU64(&x85, &x86, x84, cast(u64, 0x0), cast(u64, 0x0));
subborrowxU64(&x85, &x86, x84, @as(u64, 0x0), @as(u64, 0x0));
var x87: u64 = undefined;
cmovznzU64(&x87, x86, x77, x70);
var x88: u64 = undefined;
@@ -1045,13 +1044,13 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x29, &x30, x28, x13, x25);
var x31: u64 = undefined;
var x32: u1 = undefined;
addcarryxU64(&x31, &x32, x30, x15, (cast(u64, x26) + x22));
addcarryxU64(&x31, &x32, x30, x15, (@as(u64, x26) + x22));
var x33: u64 = undefined;
var x34: u1 = undefined;
addcarryxU64(&x33, &x34, x32, x17, x19);
var x35: u64 = undefined;
var x36: u1 = undefined;
addcarryxU64(&x35, &x36, x34, (cast(u64, x18) + x6), x20);
addcarryxU64(&x35, &x36, x34, (@as(u64, x18) + x6), x20);
var x37: u64 = undefined;
var x38: u64 = undefined;
mulxU64(&x37, &x38, x1, 0x4fffffffd);
@@ -1105,13 +1104,13 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x69, &x70, x68, x53, x65);
var x71: u64 = undefined;
var x72: u1 = undefined;
addcarryxU64(&x71, &x72, x70, x55, (cast(u64, x66) + x62));
addcarryxU64(&x71, &x72, x70, x55, (@as(u64, x66) + x62));
var x73: u64 = undefined;
var x74: u1 = undefined;
addcarryxU64(&x73, &x74, x72, x57, x59);
var x75: u64 = undefined;
var x76: u1 = undefined;
addcarryxU64(&x75, &x76, x74, ((cast(u64, x58) + cast(u64, x36)) + (cast(u64, x50) + x38)), x60);
addcarryxU64(&x75, &x76, x74, ((@as(u64, x58) + @as(u64, x36)) + (@as(u64, x50) + x38)), x60);
var x77: u64 = undefined;
var x78: u64 = undefined;
mulxU64(&x77, &x78, x2, 0x4fffffffd);
@@ -1165,13 +1164,13 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x109, &x110, x108, x93, x105);
var x111: u64 = undefined;
var x112: u1 = undefined;
addcarryxU64(&x111, &x112, x110, x95, (cast(u64, x106) + x102));
addcarryxU64(&x111, &x112, x110, x95, (@as(u64, x106) + x102));
var x113: u64 = undefined;
var x114: u1 = undefined;
addcarryxU64(&x113, &x114, x112, x97, x99);
var x115: u64 = undefined;
var x116: u1 = undefined;
addcarryxU64(&x115, &x116, x114, ((cast(u64, x98) + cast(u64, x76)) + (cast(u64, x90) + x78)), x100);
addcarryxU64(&x115, &x116, x114, ((@as(u64, x98) + @as(u64, x76)) + (@as(u64, x90) + x78)), x100);
var x117: u64 = undefined;
var x118: u64 = undefined;
mulxU64(&x117, &x118, x3, 0x4fffffffd);
@@ -1225,13 +1224,13 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x149, &x150, x148, x133, x145);
var x151: u64 = undefined;
var x152: u1 = undefined;
addcarryxU64(&x151, &x152, x150, x135, (cast(u64, x146) + x142));
addcarryxU64(&x151, &x152, x150, x135, (@as(u64, x146) + x142));
var x153: u64 = undefined;
var x154: u1 = undefined;
addcarryxU64(&x153, &x154, x152, x137, x139);
var x155: u64 = undefined;
var x156: u1 = undefined;
addcarryxU64(&x155, &x156, x154, ((cast(u64, x138) + cast(u64, x116)) + (cast(u64, x130) + x118)), x140);
addcarryxU64(&x155, &x156, x154, ((@as(u64, x138) + @as(u64, x116)) + (@as(u64, x130) + x118)), x140);
var x157: u64 = undefined;
var x158: u1 = undefined;
subborrowxU64(&x157, &x158, 0x0, x149, 0xffffffffffffffff);
@@ -1240,13 +1239,13 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
subborrowxU64(&x159, &x160, x158, x151, 0xffffffff);
var x161: u64 = undefined;
var x162: u1 = undefined;
subborrowxU64(&x161, &x162, x160, x153, cast(u64, 0x0));
subborrowxU64(&x161, &x162, x160, x153, @as(u64, 0x0));
var x163: u64 = undefined;
var x164: u1 = undefined;
subborrowxU64(&x163, &x164, x162, x155, 0xffffffff00000001);
var x165: u64 = undefined;
var x166: u1 = undefined;
subborrowxU64(&x165, &x166, x164, cast(u64, x156), cast(u64, 0x0));
subborrowxU64(&x165, &x166, x164, @as(u64, x156), @as(u64, 0x0));
var x167: u64 = undefined;
cmovznzU64(&x167, x166, x157, x149);
var x168: u64 = undefined;
@@ -1325,62 +1324,62 @@ pub fn toBytes(out1: *[32]u8, arg1: [4]u64) void {
const x2 = (arg1[2]);
const x3 = (arg1[1]);
const x4 = (arg1[0]);
const x5 = cast(u8, (x4 & cast(u64, 0xff)));
const x5 = @truncate(u8, (x4 & @as(u64, 0xff)));
const x6 = (x4 >> 8);
const x7 = cast(u8, (x6 & cast(u64, 0xff)));
const x7 = @truncate(u8, (x6 & @as(u64, 0xff)));
const x8 = (x6 >> 8);
const x9 = cast(u8, (x8 & cast(u64, 0xff)));
const x9 = @truncate(u8, (x8 & @as(u64, 0xff)));
const x10 = (x8 >> 8);
const x11 = cast(u8, (x10 & cast(u64, 0xff)));
const x11 = @truncate(u8, (x10 & @as(u64, 0xff)));
const x12 = (x10 >> 8);
const x13 = cast(u8, (x12 & cast(u64, 0xff)));
const x13 = @truncate(u8, (x12 & @as(u64, 0xff)));
const x14 = (x12 >> 8);
const x15 = cast(u8, (x14 & cast(u64, 0xff)));
const x15 = @truncate(u8, (x14 & @as(u64, 0xff)));
const x16 = (x14 >> 8);
const x17 = cast(u8, (x16 & cast(u64, 0xff)));
const x18 = cast(u8, (x16 >> 8));
const x19 = cast(u8, (x3 & cast(u64, 0xff)));
const x17 = @truncate(u8, (x16 & @as(u64, 0xff)));
const x18 = @truncate(u8, (x16 >> 8));
const x19 = @truncate(u8, (x3 & @as(u64, 0xff)));
const x20 = (x3 >> 8);
const x21 = cast(u8, (x20 & cast(u64, 0xff)));
const x21 = @truncate(u8, (x20 & @as(u64, 0xff)));
const x22 = (x20 >> 8);
const x23 = cast(u8, (x22 & cast(u64, 0xff)));
const x23 = @truncate(u8, (x22 & @as(u64, 0xff)));
const x24 = (x22 >> 8);
const x25 = cast(u8, (x24 & cast(u64, 0xff)));
const x25 = @truncate(u8, (x24 & @as(u64, 0xff)));
const x26 = (x24 >> 8);
const x27 = cast(u8, (x26 & cast(u64, 0xff)));
const x27 = @truncate(u8, (x26 & @as(u64, 0xff)));
const x28 = (x26 >> 8);
const x29 = cast(u8, (x28 & cast(u64, 0xff)));
const x29 = @truncate(u8, (x28 & @as(u64, 0xff)));
const x30 = (x28 >> 8);
const x31 = cast(u8, (x30 & cast(u64, 0xff)));
const x32 = cast(u8, (x30 >> 8));
const x33 = cast(u8, (x2 & cast(u64, 0xff)));
const x31 = @truncate(u8, (x30 & @as(u64, 0xff)));
const x32 = @truncate(u8, (x30 >> 8));
const x33 = @truncate(u8, (x2 & @as(u64, 0xff)));
const x34 = (x2 >> 8);
const x35 = cast(u8, (x34 & cast(u64, 0xff)));
const x35 = @truncate(u8, (x34 & @as(u64, 0xff)));
const x36 = (x34 >> 8);
const x37 = cast(u8, (x36 & cast(u64, 0xff)));
const x37 = @truncate(u8, (x36 & @as(u64, 0xff)));
const x38 = (x36 >> 8);
const x39 = cast(u8, (x38 & cast(u64, 0xff)));
const x39 = @truncate(u8, (x38 & @as(u64, 0xff)));
const x40 = (x38 >> 8);
const x41 = cast(u8, (x40 & cast(u64, 0xff)));
const x41 = @truncate(u8, (x40 & @as(u64, 0xff)));
const x42 = (x40 >> 8);
const x43 = cast(u8, (x42 & cast(u64, 0xff)));
const x43 = @truncate(u8, (x42 & @as(u64, 0xff)));
const x44 = (x42 >> 8);
const x45 = cast(u8, (x44 & cast(u64, 0xff)));
const x46 = cast(u8, (x44 >> 8));
const x47 = cast(u8, (x1 & cast(u64, 0xff)));
const x45 = @truncate(u8, (x44 & @as(u64, 0xff)));
const x46 = @truncate(u8, (x44 >> 8));
const x47 = @truncate(u8, (x1 & @as(u64, 0xff)));
const x48 = (x1 >> 8);
const x49 = cast(u8, (x48 & cast(u64, 0xff)));
const x49 = @truncate(u8, (x48 & @as(u64, 0xff)));
const x50 = (x48 >> 8);
const x51 = cast(u8, (x50 & cast(u64, 0xff)));
const x51 = @truncate(u8, (x50 & @as(u64, 0xff)));
const x52 = (x50 >> 8);
const x53 = cast(u8, (x52 & cast(u64, 0xff)));
const x53 = @truncate(u8, (x52 & @as(u64, 0xff)));
const x54 = (x52 >> 8);
const x55 = cast(u8, (x54 & cast(u64, 0xff)));
const x55 = @truncate(u8, (x54 & @as(u64, 0xff)));
const x56 = (x54 >> 8);
const x57 = cast(u8, (x56 & cast(u64, 0xff)));
const x57 = @truncate(u8, (x56 & @as(u64, 0xff)));
const x58 = (x56 >> 8);
const x59 = cast(u8, (x58 & cast(u64, 0xff)));
const x60 = cast(u8, (x58 >> 8));
const x59 = @truncate(u8, (x58 & @as(u64, 0xff)));
const x60 = @truncate(u8, (x58 >> 8));
out1[0] = x5;
out1[1] = x7;
out1[2] = x9;
@@ -1430,60 +1429,60 @@ pub fn toBytes(out1: *[32]u8, arg1: [4]u64) void {
pub fn fromBytes(out1: *[4]u64, arg1: [32]u8) void {
@setRuntimeSafety(mode == .Debug);
const x1 = (cast(u64, (arg1[31])) << 56);
const x2 = (cast(u64, (arg1[30])) << 48);
const x3 = (cast(u64, (arg1[29])) << 40);
const x4 = (cast(u64, (arg1[28])) << 32);
const x5 = (cast(u64, (arg1[27])) << 24);
const x6 = (cast(u64, (arg1[26])) << 16);
const x7 = (cast(u64, (arg1[25])) << 8);
const x1 = (@as(u64, (arg1[31])) << 56);
const x2 = (@as(u64, (arg1[30])) << 48);
const x3 = (@as(u64, (arg1[29])) << 40);
const x4 = (@as(u64, (arg1[28])) << 32);
const x5 = (@as(u64, (arg1[27])) << 24);
const x6 = (@as(u64, (arg1[26])) << 16);
const x7 = (@as(u64, (arg1[25])) << 8);
const x8 = (arg1[24]);
const x9 = (cast(u64, (arg1[23])) << 56);
const x10 = (cast(u64, (arg1[22])) << 48);
const x11 = (cast(u64, (arg1[21])) << 40);
const x12 = (cast(u64, (arg1[20])) << 32);
const x13 = (cast(u64, (arg1[19])) << 24);
const x14 = (cast(u64, (arg1[18])) << 16);
const x15 = (cast(u64, (arg1[17])) << 8);
const x9 = (@as(u64, (arg1[23])) << 56);
const x10 = (@as(u64, (arg1[22])) << 48);
const x11 = (@as(u64, (arg1[21])) << 40);
const x12 = (@as(u64, (arg1[20])) << 32);
const x13 = (@as(u64, (arg1[19])) << 24);
const x14 = (@as(u64, (arg1[18])) << 16);
const x15 = (@as(u64, (arg1[17])) << 8);
const x16 = (arg1[16]);
const x17 = (cast(u64, (arg1[15])) << 56);
const x18 = (cast(u64, (arg1[14])) << 48);
const x19 = (cast(u64, (arg1[13])) << 40);
const x20 = (cast(u64, (arg1[12])) << 32);
const x21 = (cast(u64, (arg1[11])) << 24);
const x22 = (cast(u64, (arg1[10])) << 16);
const x23 = (cast(u64, (arg1[9])) << 8);
const x17 = (@as(u64, (arg1[15])) << 56);
const x18 = (@as(u64, (arg1[14])) << 48);
const x19 = (@as(u64, (arg1[13])) << 40);
const x20 = (@as(u64, (arg1[12])) << 32);
const x21 = (@as(u64, (arg1[11])) << 24);
const x22 = (@as(u64, (arg1[10])) << 16);
const x23 = (@as(u64, (arg1[9])) << 8);
const x24 = (arg1[8]);
const x25 = (cast(u64, (arg1[7])) << 56);
const x26 = (cast(u64, (arg1[6])) << 48);
const x27 = (cast(u64, (arg1[5])) << 40);
const x28 = (cast(u64, (arg1[4])) << 32);
const x29 = (cast(u64, (arg1[3])) << 24);
const x30 = (cast(u64, (arg1[2])) << 16);
const x31 = (cast(u64, (arg1[1])) << 8);
const x25 = (@as(u64, (arg1[7])) << 56);
const x26 = (@as(u64, (arg1[6])) << 48);
const x27 = (@as(u64, (arg1[5])) << 40);
const x28 = (@as(u64, (arg1[4])) << 32);
const x29 = (@as(u64, (arg1[3])) << 24);
const x30 = (@as(u64, (arg1[2])) << 16);
const x31 = (@as(u64, (arg1[1])) << 8);
const x32 = (arg1[0]);
const x33 = (x31 + cast(u64, x32));
const x33 = (x31 + @as(u64, x32));
const x34 = (x30 + x33);
const x35 = (x29 + x34);
const x36 = (x28 + x35);
const x37 = (x27 + x36);
const x38 = (x26 + x37);
const x39 = (x25 + x38);
const x40 = (x23 + cast(u64, x24));
const x40 = (x23 + @as(u64, x24));
const x41 = (x22 + x40);
const x42 = (x21 + x41);
const x43 = (x20 + x42);
const x44 = (x19 + x43);
const x45 = (x18 + x44);
const x46 = (x17 + x45);
const x47 = (x15 + cast(u64, x16));
const x47 = (x15 + @as(u64, x16));
const x48 = (x14 + x47);
const x49 = (x13 + x48);
const x50 = (x12 + x49);
const x51 = (x11 + x50);
const x52 = (x10 + x51);
const x53 = (x9 + x52);
const x54 = (x7 + cast(u64, x8));
const x54 = (x7 + @as(u64, x8));
const x55 = (x6 + x54);
const x56 = (x5 + x55);
const x57 = (x4 + x56);
@@ -1505,7 +1504,7 @@ pub fn fromBytes(out1: *[4]u64, arg1: [32]u8) void {
pub fn setOne(out1: *MontgomeryDomainFieldElement) void {
@setRuntimeSafety(mode == .Debug);
out1[0] = cast(u64, 0x1);
out1[0] = @as(u64, 0x1);
out1[1] = 0xffffffff00000000;
out1[2] = 0xffffffffffffffff;
out1[3] = 0xfffffffe;
@@ -1524,9 +1523,9 @@ pub fn msat(out1: *[5]u64) void {
out1[0] = 0xffffffffffffffff;
out1[1] = 0xffffffff;
out1[2] = cast(u64, 0x0);
out1[2] = @as(u64, 0x0);
out1[3] = 0xffffffff00000001;
out1[4] = cast(u64, 0x0);
out1[4] = @as(u64, 0x0);
}
/// The function divstep computes a divstep.
@@ -1562,11 +1561,11 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
var x1: u64 = undefined;
var x2: u1 = undefined;
addcarryxU64(&x1, &x2, 0x0, (~arg1), cast(u64, 0x1));
const x3 = (cast(u1, (x1 >> 63)) & cast(u1, ((arg3[0]) & cast(u64, 0x1))));
addcarryxU64(&x1, &x2, 0x0, (~arg1), @as(u64, 0x1));
const x3 = (@truncate(u1, (x1 >> 63)) & @truncate(u1, ((arg3[0]) & @as(u64, 0x1))));
var x4: u64 = undefined;
var x5: u1 = undefined;
addcarryxU64(&x4, &x5, 0x0, (~arg1), cast(u64, 0x1));
addcarryxU64(&x4, &x5, 0x0, (~arg1), @as(u64, 0x1));
var x6: u64 = undefined;
cmovznzU64(&x6, x3, arg1, x4);
var x7: u64 = undefined;
@@ -1581,19 +1580,19 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
cmovznzU64(&x11, x3, (arg2[4]), (arg3[4]));
var x12: u64 = undefined;
var x13: u1 = undefined;
addcarryxU64(&x12, &x13, 0x0, cast(u64, 0x1), (~(arg2[0])));
addcarryxU64(&x12, &x13, 0x0, @as(u64, 0x1), (~(arg2[0])));
var x14: u64 = undefined;
var x15: u1 = undefined;
addcarryxU64(&x14, &x15, x13, cast(u64, 0x0), (~(arg2[1])));
addcarryxU64(&x14, &x15, x13, @as(u64, 0x0), (~(arg2[1])));
var x16: u64 = undefined;
var x17: u1 = undefined;
addcarryxU64(&x16, &x17, x15, cast(u64, 0x0), (~(arg2[2])));
addcarryxU64(&x16, &x17, x15, @as(u64, 0x0), (~(arg2[2])));
var x18: u64 = undefined;
var x19: u1 = undefined;
addcarryxU64(&x18, &x19, x17, cast(u64, 0x0), (~(arg2[3])));
addcarryxU64(&x18, &x19, x17, @as(u64, 0x0), (~(arg2[3])));
var x20: u64 = undefined;
var x21: u1 = undefined;
addcarryxU64(&x20, &x21, x19, cast(u64, 0x0), (~(arg2[4])));
addcarryxU64(&x20, &x21, x19, @as(u64, 0x0), (~(arg2[4])));
var x22: u64 = undefined;
cmovznzU64(&x22, x3, (arg3[0]), x12);
var x23: u64 = undefined;
@@ -1632,31 +1631,31 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
subborrowxU64(&x41, &x42, x40, x33, 0xffffffff);
var x43: u64 = undefined;
var x44: u1 = undefined;
subborrowxU64(&x43, &x44, x42, x35, cast(u64, 0x0));
subborrowxU64(&x43, &x44, x42, x35, @as(u64, 0x0));
var x45: u64 = undefined;
var x46: u1 = undefined;
subborrowxU64(&x45, &x46, x44, x37, 0xffffffff00000001);
var x47: u64 = undefined;
var x48: u1 = undefined;
subborrowxU64(&x47, &x48, x46, cast(u64, x38), cast(u64, 0x0));
subborrowxU64(&x47, &x48, x46, @as(u64, x38), @as(u64, 0x0));
const x49 = (arg4[3]);
const x50 = (arg4[2]);
const x51 = (arg4[1]);
const x52 = (arg4[0]);
var x53: u64 = undefined;
var x54: u1 = undefined;
subborrowxU64(&x53, &x54, 0x0, cast(u64, 0x0), x52);
subborrowxU64(&x53, &x54, 0x0, @as(u64, 0x0), x52);
var x55: u64 = undefined;
var x56: u1 = undefined;
subborrowxU64(&x55, &x56, x54, cast(u64, 0x0), x51);
subborrowxU64(&x55, &x56, x54, @as(u64, 0x0), x51);
var x57: u64 = undefined;
var x58: u1 = undefined;
subborrowxU64(&x57, &x58, x56, cast(u64, 0x0), x50);
subborrowxU64(&x57, &x58, x56, @as(u64, 0x0), x50);
var x59: u64 = undefined;
var x60: u1 = undefined;
subborrowxU64(&x59, &x60, x58, cast(u64, 0x0), x49);
subborrowxU64(&x59, &x60, x58, @as(u64, 0x0), x49);
var x61: u64 = undefined;
cmovznzU64(&x61, x60, cast(u64, 0x0), 0xffffffffffffffff);
cmovznzU64(&x61, x60, @as(u64, 0x0), 0xffffffffffffffff);
var x62: u64 = undefined;
var x63: u1 = undefined;
addcarryxU64(&x62, &x63, 0x0, x53, x61);
@@ -1665,7 +1664,7 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
addcarryxU64(&x64, &x65, x63, x55, (x61 & 0xffffffff));
var x66: u64 = undefined;
var x67: u1 = undefined;
addcarryxU64(&x66, &x67, x65, x57, cast(u64, 0x0));
addcarryxU64(&x66, &x67, x65, x57, @as(u64, 0x0));
var x68: u64 = undefined;
var x69: u1 = undefined;
addcarryxU64(&x68, &x69, x67, x59, (x61 & 0xffffffff00000001));
@@ -1677,17 +1676,17 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
cmovznzU64(&x72, x3, (arg5[2]), x66);
var x73: u64 = undefined;
cmovznzU64(&x73, x3, (arg5[3]), x68);
const x74 = cast(u1, (x22 & cast(u64, 0x1)));
const x74 = @truncate(u1, (x22 & @as(u64, 0x1)));
var x75: u64 = undefined;
cmovznzU64(&x75, x74, cast(u64, 0x0), x7);
cmovznzU64(&x75, x74, @as(u64, 0x0), x7);
var x76: u64 = undefined;
cmovznzU64(&x76, x74, cast(u64, 0x0), x8);
cmovznzU64(&x76, x74, @as(u64, 0x0), x8);
var x77: u64 = undefined;
cmovznzU64(&x77, x74, cast(u64, 0x0), x9);
cmovznzU64(&x77, x74, @as(u64, 0x0), x9);
var x78: u64 = undefined;
cmovznzU64(&x78, x74, cast(u64, 0x0), x10);
cmovznzU64(&x78, x74, @as(u64, 0x0), x10);
var x79: u64 = undefined;
cmovznzU64(&x79, x74, cast(u64, 0x0), x11);
cmovznzU64(&x79, x74, @as(u64, 0x0), x11);
var x80: u64 = undefined;
var x81: u1 = undefined;
addcarryxU64(&x80, &x81, 0x0, x22, x75);
@@ -1704,13 +1703,13 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
var x89: u1 = undefined;
addcarryxU64(&x88, &x89, x87, x26, x79);
var x90: u64 = undefined;
cmovznzU64(&x90, x74, cast(u64, 0x0), x27);
cmovznzU64(&x90, x74, @as(u64, 0x0), x27);
var x91: u64 = undefined;
cmovznzU64(&x91, x74, cast(u64, 0x0), x28);
cmovznzU64(&x91, x74, @as(u64, 0x0), x28);
var x92: u64 = undefined;
cmovznzU64(&x92, x74, cast(u64, 0x0), x29);
cmovznzU64(&x92, x74, @as(u64, 0x0), x29);
var x93: u64 = undefined;
cmovznzU64(&x93, x74, cast(u64, 0x0), x30);
cmovznzU64(&x93, x74, @as(u64, 0x0), x30);
var x94: u64 = undefined;
var x95: u1 = undefined;
addcarryxU64(&x94, &x95, 0x0, x70, x90);
@@ -1731,16 +1730,16 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
subborrowxU64(&x104, &x105, x103, x96, 0xffffffff);
var x106: u64 = undefined;
var x107: u1 = undefined;
subborrowxU64(&x106, &x107, x105, x98, cast(u64, 0x0));
subborrowxU64(&x106, &x107, x105, x98, @as(u64, 0x0));
var x108: u64 = undefined;
var x109: u1 = undefined;
subborrowxU64(&x108, &x109, x107, x100, 0xffffffff00000001);
var x110: u64 = undefined;
var x111: u1 = undefined;
subborrowxU64(&x110, &x111, x109, cast(u64, x101), cast(u64, 0x0));
subborrowxU64(&x110, &x111, x109, @as(u64, x101), @as(u64, 0x0));
var x112: u64 = undefined;
var x113: u1 = undefined;
addcarryxU64(&x112, &x113, 0x0, x6, cast(u64, 0x1));
addcarryxU64(&x112, &x113, 0x0, x6, @as(u64, 0x1));
const x114 = ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff));
const x115 = ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff));
const x116 = ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff));

289
lib/std/crypto/pcurves/p256/p256_scalar_64.zig
View File

@@ -18,7 +18,6 @@
// if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
const std = @import("std");
const cast = std.meta.cast;
const mode = std.builtin.mode; // Checked arithmetic is disabled in non-debug modes to avoid side channels
// The type MontgomeryDomainFieldElement is a field element in the Montgomery domain.
@@ -148,7 +147,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x17: u64 = undefined;
var x18: u1 = undefined;
addcarryxU64(&x17, &x18, x16, x8, x5);
const x19 = (cast(u64, x18) + x6);
const x19 = (@as(u64, x18) + x6);
var x20: u64 = undefined;
var x21: u64 = undefined;
mulxU64(&x20, &x21, x11, 0xccd1c8aaee00bc4f);
@@ -173,7 +172,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x34: u64 = undefined;
var x35: u1 = undefined;
addcarryxU64(&x34, &x35, x33, x25, x22);
const x36 = (cast(u64, x35) + x23);
const x36 = (@as(u64, x35) + x23);
var x37: u64 = undefined;
var x38: u1 = undefined;
addcarryxU64(&x37, &x38, 0x0, x11, x28);
@@ -210,7 +209,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x59: u64 = undefined;
var x60: u1 = undefined;
addcarryxU64(&x59, &x60, x58, x50, x47);
const x61 = (cast(u64, x60) + x48);
const x61 = (@as(u64, x60) + x48);
var x62: u64 = undefined;
var x63: u1 = undefined;
addcarryxU64(&x62, &x63, 0x0, x39, x53);
@@ -225,7 +224,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
addcarryxU64(&x68, &x69, x67, x45, x59);
var x70: u64 = undefined;
var x71: u1 = undefined;
addcarryxU64(&x70, &x71, x69, cast(u64, x46), x61);
addcarryxU64(&x70, &x71, x69, @as(u64, x46), x61);
var x72: u64 = undefined;
var x73: u64 = undefined;
mulxU64(&x72, &x73, x62, 0xccd1c8aaee00bc4f);
@@ -250,7 +249,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x86: u64 = undefined;
var x87: u1 = undefined;
addcarryxU64(&x86, &x87, x85, x77, x74);
const x88 = (cast(u64, x87) + x75);
const x88 = (@as(u64, x87) + x75);
var x89: u64 = undefined;
var x90: u1 = undefined;
addcarryxU64(&x89, &x90, 0x0, x62, x80);
@@ -266,7 +265,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x97: u64 = undefined;
var x98: u1 = undefined;
addcarryxU64(&x97, &x98, x96, x70, x88);
const x99 = (cast(u64, x98) + cast(u64, x71));
const x99 = (@as(u64, x98) + @as(u64, x71));
var x100: u64 = undefined;
var x101: u64 = undefined;
mulxU64(&x100, &x101, x2, (arg2[3]));
@@ -288,7 +287,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x112: u64 = undefined;
var x113: u1 = undefined;
addcarryxU64(&x112, &x113, x111, x103, x100);
const x114 = (cast(u64, x113) + x101);
const x114 = (@as(u64, x113) + x101);
var x115: u64 = undefined;
var x116: u1 = undefined;
addcarryxU64(&x115, &x116, 0x0, x91, x106);
@@ -328,7 +327,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x139: u64 = undefined;
var x140: u1 = undefined;
addcarryxU64(&x139, &x140, x138, x130, x127);
const x141 = (cast(u64, x140) + x128);
const x141 = (@as(u64, x140) + x128);
var x142: u64 = undefined;
var x143: u1 = undefined;
addcarryxU64(&x142, &x143, 0x0, x115, x133);
@@ -344,7 +343,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x150: u64 = undefined;
var x151: u1 = undefined;
addcarryxU64(&x150, &x151, x149, x123, x141);
const x152 = (cast(u64, x151) + cast(u64, x124));
const x152 = (@as(u64, x151) + @as(u64, x124));
var x153: u64 = undefined;
var x154: u64 = undefined;
mulxU64(&x153, &x154, x3, (arg2[3]));
@@ -366,7 +365,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x165: u64 = undefined;
var x166: u1 = undefined;
addcarryxU64(&x165, &x166, x164, x156, x153);
const x167 = (cast(u64, x166) + x154);
const x167 = (@as(u64, x166) + x154);
var x168: u64 = undefined;
var x169: u1 = undefined;
addcarryxU64(&x168, &x169, 0x0, x144, x159);
@@ -406,7 +405,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x192: u64 = undefined;
var x193: u1 = undefined;
addcarryxU64(&x192, &x193, x191, x183, x180);
const x194 = (cast(u64, x193) + x181);
const x194 = (@as(u64, x193) + x181);
var x195: u64 = undefined;
var x196: u1 = undefined;
addcarryxU64(&x195, &x196, 0x0, x168, x186);
@@ -422,7 +421,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x203: u64 = undefined;
var x204: u1 = undefined;
addcarryxU64(&x203, &x204, x202, x176, x194);
const x205 = (cast(u64, x204) + cast(u64, x177));
const x205 = (@as(u64, x204) + @as(u64, x177));
var x206: u64 = undefined;
var x207: u1 = undefined;
subborrowxU64(&x206, &x207, 0x0, x197, 0xf3b9cac2fc632551);
@@ -437,7 +436,7 @@ pub fn mul(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
subborrowxU64(&x212, &x213, x211, x203, 0xffffffff00000000);
var x214: u64 = undefined;
var x215: u1 = undefined;
subborrowxU64(&x214, &x215, x213, x205, cast(u64, 0x0));
subborrowxU64(&x214, &x215, x213, x205, @as(u64, 0x0));
var x216: u64 = undefined;
cmovznzU64(&x216, x215, x206, x197);
var x217: u64 = undefined;
@@ -488,7 +487,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x17: u64 = undefined;
var x18: u1 = undefined;
addcarryxU64(&x17, &x18, x16, x8, x5);
const x19 = (cast(u64, x18) + x6);
const x19 = (@as(u64, x18) + x6);
var x20: u64 = undefined;
var x21: u64 = undefined;
mulxU64(&x20, &x21, x11, 0xccd1c8aaee00bc4f);
@@ -513,7 +512,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x34: u64 = undefined;
var x35: u1 = undefined;
addcarryxU64(&x34, &x35, x33, x25, x22);
const x36 = (cast(u64, x35) + x23);
const x36 = (@as(u64, x35) + x23);
var x37: u64 = undefined;
var x38: u1 = undefined;
addcarryxU64(&x37, &x38, 0x0, x11, x28);
@@ -550,7 +549,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x59: u64 = undefined;
var x60: u1 = undefined;
addcarryxU64(&x59, &x60, x58, x50, x47);
const x61 = (cast(u64, x60) + x48);
const x61 = (@as(u64, x60) + x48);
var x62: u64 = undefined;
var x63: u1 = undefined;
addcarryxU64(&x62, &x63, 0x0, x39, x53);
@@ -565,7 +564,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
addcarryxU64(&x68, &x69, x67, x45, x59);
var x70: u64 = undefined;
var x71: u1 = undefined;
addcarryxU64(&x70, &x71, x69, cast(u64, x46), x61);
addcarryxU64(&x70, &x71, x69, @as(u64, x46), x61);
var x72: u64 = undefined;
var x73: u64 = undefined;
mulxU64(&x72, &x73, x62, 0xccd1c8aaee00bc4f);
@@ -590,7 +589,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x86: u64 = undefined;
var x87: u1 = undefined;
addcarryxU64(&x86, &x87, x85, x77, x74);
const x88 = (cast(u64, x87) + x75);
const x88 = (@as(u64, x87) + x75);
var x89: u64 = undefined;
var x90: u1 = undefined;
addcarryxU64(&x89, &x90, 0x0, x62, x80);
@@ -606,7 +605,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x97: u64 = undefined;
var x98: u1 = undefined;
addcarryxU64(&x97, &x98, x96, x70, x88);
const x99 = (cast(u64, x98) + cast(u64, x71));
const x99 = (@as(u64, x98) + @as(u64, x71));
var x100: u64 = undefined;
var x101: u64 = undefined;
mulxU64(&x100, &x101, x2, (arg1[3]));
@@ -628,7 +627,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x112: u64 = undefined;
var x113: u1 = undefined;
addcarryxU64(&x112, &x113, x111, x103, x100);
const x114 = (cast(u64, x113) + x101);
const x114 = (@as(u64, x113) + x101);
var x115: u64 = undefined;
var x116: u1 = undefined;
addcarryxU64(&x115, &x116, 0x0, x91, x106);
@@ -668,7 +667,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x139: u64 = undefined;
var x140: u1 = undefined;
addcarryxU64(&x139, &x140, x138, x130, x127);
const x141 = (cast(u64, x140) + x128);
const x141 = (@as(u64, x140) + x128);
var x142: u64 = undefined;
var x143: u1 = undefined;
addcarryxU64(&x142, &x143, 0x0, x115, x133);
@@ -684,7 +683,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x150: u64 = undefined;
var x151: u1 = undefined;
addcarryxU64(&x150, &x151, x149, x123, x141);
const x152 = (cast(u64, x151) + cast(u64, x124));
const x152 = (@as(u64, x151) + @as(u64, x124));
var x153: u64 = undefined;
var x154: u64 = undefined;
mulxU64(&x153, &x154, x3, (arg1[3]));
@@ -706,7 +705,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x165: u64 = undefined;
var x166: u1 = undefined;
addcarryxU64(&x165, &x166, x164, x156, x153);
const x167 = (cast(u64, x166) + x154);
const x167 = (@as(u64, x166) + x154);
var x168: u64 = undefined;
var x169: u1 = undefined;
addcarryxU64(&x168, &x169, 0x0, x144, x159);
@@ -746,7 +745,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x192: u64 = undefined;
var x193: u1 = undefined;
addcarryxU64(&x192, &x193, x191, x183, x180);
const x194 = (cast(u64, x193) + x181);
const x194 = (@as(u64, x193) + x181);
var x195: u64 = undefined;
var x196: u1 = undefined;
addcarryxU64(&x195, &x196, 0x0, x168, x186);
@@ -762,7 +761,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
var x203: u64 = undefined;
var x204: u1 = undefined;
addcarryxU64(&x203, &x204, x202, x176, x194);
const x205 = (cast(u64, x204) + cast(u64, x177));
const x205 = (@as(u64, x204) + @as(u64, x177));
var x206: u64 = undefined;
var x207: u1 = undefined;
subborrowxU64(&x206, &x207, 0x0, x197, 0xf3b9cac2fc632551);
@@ -777,7 +776,7 @@ pub fn square(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEl
subborrowxU64(&x212, &x213, x211, x203, 0xffffffff00000000);
var x214: u64 = undefined;
var x215: u1 = undefined;
subborrowxU64(&x214, &x215, x213, x205, cast(u64, 0x0));
subborrowxU64(&x214, &x215, x213, x205, @as(u64, 0x0));
var x216: u64 = undefined;
cmovznzU64(&x216, x215, x206, x197);
var x217: u64 = undefined;
@@ -830,7 +829,7 @@ pub fn add(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
subborrowxU64(&x15, &x16, x14, x7, 0xffffffff00000000);
var x17: u64 = undefined;
var x18: u1 = undefined;
subborrowxU64(&x17, &x18, x16, cast(u64, x8), cast(u64, 0x0));
subborrowxU64(&x17, &x18, x16, @as(u64, x8), @as(u64, 0x0));
var x19: u64 = undefined;
cmovznzU64(&x19, x18, x9, x1);
var x20: u64 = undefined;
@@ -870,7 +869,7 @@ pub fn sub(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x8: u1 = undefined;
subborrowxU64(&x7, &x8, x6, (arg1[3]), (arg2[3]));
var x9: u64 = undefined;
cmovznzU64(&x9, x8, cast(u64, 0x0), 0xffffffffffffffff);
cmovznzU64(&x9, x8, @as(u64, 0x0), 0xffffffffffffffff);
var x10: u64 = undefined;
var x11: u1 = undefined;
addcarryxU64(&x10, &x11, 0x0, x1, (x9 & 0xf3b9cac2fc632551));
@@ -902,18 +901,18 @@ pub fn opp(out1: *MontgomeryDomainFieldElement, arg1: MontgomeryDomainFieldEleme
var x1: u64 = undefined;
var x2: u1 = undefined;
subborrowxU64(&x1, &x2, 0x0, cast(u64, 0x0), (arg1[0]));
subborrowxU64(&x1, &x2, 0x0, @as(u64, 0x0), (arg1[0]));
var x3: u64 = undefined;
var x4: u1 = undefined;
subborrowxU64(&x3, &x4, x2, cast(u64, 0x0), (arg1[1]));
subborrowxU64(&x3, &x4, x2, @as(u64, 0x0), (arg1[1]));
var x5: u64 = undefined;
var x6: u1 = undefined;
subborrowxU64(&x5, &x6, x4, cast(u64, 0x0), (arg1[2]));
subborrowxU64(&x5, &x6, x4, @as(u64, 0x0), (arg1[2]));
var x7: u64 = undefined;
var x8: u1 = undefined;
subborrowxU64(&x7, &x8, x6, cast(u64, 0x0), (arg1[3]));
subborrowxU64(&x7, &x8, x6, @as(u64, 0x0), (arg1[3]));
var x9: u64 = undefined;
cmovznzU64(&x9, x8, cast(u64, 0x0), 0xffffffffffffffff);
cmovznzU64(&x9, x8, @as(u64, 0x0), 0xffffffffffffffff);
var x10: u64 = undefined;
var x11: u1 = undefined;
addcarryxU64(&x10, &x11, 0x0, x1, (x9 & 0xf3b9cac2fc632551));
@@ -973,22 +972,22 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x18, &x19, 0x0, x1, x10);
var x20: u64 = undefined;
var x21: u1 = undefined;
addcarryxU64(&x20, &x21, x19, cast(u64, 0x0), x12);
addcarryxU64(&x20, &x21, x19, @as(u64, 0x0), x12);
var x22: u64 = undefined;
var x23: u1 = undefined;
addcarryxU64(&x22, &x23, x21, cast(u64, 0x0), x14);
addcarryxU64(&x22, &x23, x21, @as(u64, 0x0), x14);
var x24: u64 = undefined;
var x25: u1 = undefined;
addcarryxU64(&x24, &x25, x23, cast(u64, 0x0), x16);
addcarryxU64(&x24, &x25, x23, @as(u64, 0x0), x16);
var x26: u64 = undefined;
var x27: u1 = undefined;
addcarryxU64(&x26, &x27, 0x0, x20, (arg1[1]));
var x28: u64 = undefined;
var x29: u1 = undefined;
addcarryxU64(&x28, &x29, x27, x22, cast(u64, 0x0));
addcarryxU64(&x28, &x29, x27, x22, @as(u64, 0x0));
var x30: u64 = undefined;
var x31: u1 = undefined;
addcarryxU64(&x30, &x31, x29, x24, cast(u64, 0x0));
addcarryxU64(&x30, &x31, x29, x24, @as(u64, 0x0));
var x32: u64 = undefined;
var x33: u64 = undefined;
mulxU64(&x32, &x33, x26, 0xccd1c8aaee00bc4f);
@@ -1024,16 +1023,16 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x52, &x53, x51, x30, x44);
var x54: u64 = undefined;
var x55: u1 = undefined;
addcarryxU64(&x54, &x55, x53, (cast(u64, x31) + (cast(u64, x25) + (cast(u64, x17) + x5))), x46);
addcarryxU64(&x54, &x55, x53, (@as(u64, x31) + (@as(u64, x25) + (@as(u64, x17) + x5))), x46);
var x56: u64 = undefined;
var x57: u1 = undefined;
addcarryxU64(&x56, &x57, 0x0, x50, (arg1[2]));
var x58: u64 = undefined;
var x59: u1 = undefined;
addcarryxU64(&x58, &x59, x57, x52, cast(u64, 0x0));
addcarryxU64(&x58, &x59, x57, x52, @as(u64, 0x0));
var x60: u64 = undefined;
var x61: u1 = undefined;
addcarryxU64(&x60, &x61, x59, x54, cast(u64, 0x0));
addcarryxU64(&x60, &x61, x59, x54, @as(u64, 0x0));
var x62: u64 = undefined;
var x63: u64 = undefined;
mulxU64(&x62, &x63, x56, 0xccd1c8aaee00bc4f);
@@ -1069,16 +1068,16 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x82, &x83, x81, x60, x74);
var x84: u64 = undefined;
var x85: u1 = undefined;
addcarryxU64(&x84, &x85, x83, (cast(u64, x61) + (cast(u64, x55) + (cast(u64, x47) + x35))), x76);
addcarryxU64(&x84, &x85, x83, (@as(u64, x61) + (@as(u64, x55) + (@as(u64, x47) + x35))), x76);
var x86: u64 = undefined;
var x87: u1 = undefined;
addcarryxU64(&x86, &x87, 0x0, x80, (arg1[3]));
var x88: u64 = undefined;
var x89: u1 = undefined;
addcarryxU64(&x88, &x89, x87, x82, cast(u64, 0x0));
addcarryxU64(&x88, &x89, x87, x82, @as(u64, 0x0));
var x90: u64 = undefined;
var x91: u1 = undefined;
addcarryxU64(&x90, &x91, x89, x84, cast(u64, 0x0));
addcarryxU64(&x90, &x91, x89, x84, @as(u64, 0x0));
var x92: u64 = undefined;
var x93: u64 = undefined;
mulxU64(&x92, &x93, x86, 0xccd1c8aaee00bc4f);
@@ -1114,8 +1113,8 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
addcarryxU64(&x112, &x113, x111, x90, x104);
var x114: u64 = undefined;
var x115: u1 = undefined;
addcarryxU64(&x114, &x115, x113, (cast(u64, x91) + (cast(u64, x85) + (cast(u64, x77) + x65))), x106);
const x116 = (cast(u64, x115) + (cast(u64, x107) + x95));
addcarryxU64(&x114, &x115, x113, (@as(u64, x91) + (@as(u64, x85) + (@as(u64, x77) + x65))), x106);
const x116 = (@as(u64, x115) + (@as(u64, x107) + x95));
var x117: u64 = undefined;
var x118: u1 = undefined;
subborrowxU64(&x117, &x118, 0x0, x110, 0xf3b9cac2fc632551);
@@ -1130,7 +1129,7 @@ pub fn fromMontgomery(out1: *NonMontgomeryDomainFieldElement, arg1: MontgomeryDo
subborrowxU64(&x123, &x124, x122, x116, 0xffffffff00000000);
var x125: u64 = undefined;
var x126: u1 = undefined;
subborrowxU64(&x125, &x126, x124, cast(u64, 0x0), cast(u64, 0x0));
subborrowxU64(&x125, &x126, x124, @as(u64, 0x0), @as(u64, 0x0));
var x127: u64 = undefined;
cmovznzU64(&x127, x126, x117, x110);
var x128: u64 = undefined;
@@ -1219,7 +1218,7 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x41, &x42, x40, x17, x33);
var x43: u64 = undefined;
var x44: u1 = undefined;
addcarryxU64(&x43, &x44, x42, (cast(u64, x18) + x6), (cast(u64, x34) + x22));
addcarryxU64(&x43, &x44, x42, (@as(u64, x18) + x6), (@as(u64, x34) + x22));
var x45: u64 = undefined;
var x46: u64 = undefined;
mulxU64(&x45, &x46, x1, 0x66e12d94f3d95620);
@@ -1291,7 +1290,7 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x89, &x90, x88, x65, x81);
var x91: u64 = undefined;
var x92: u1 = undefined;
addcarryxU64(&x91, &x92, x90, ((cast(u64, x66) + cast(u64, x44)) + (cast(u64, x58) + x46)), (cast(u64, x82) + x70));
addcarryxU64(&x91, &x92, x90, ((@as(u64, x66) + @as(u64, x44)) + (@as(u64, x58) + x46)), (@as(u64, x82) + x70));
var x93: u64 = undefined;
var x94: u64 = undefined;
mulxU64(&x93, &x94, x2, 0x66e12d94f3d95620);
@@ -1363,7 +1362,7 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x137, &x138, x136, x113, x129);
var x139: u64 = undefined;
var x140: u1 = undefined;
addcarryxU64(&x139, &x140, x138, ((cast(u64, x114) + cast(u64, x92)) + (cast(u64, x106) + x94)), (cast(u64, x130) + x118));
addcarryxU64(&x139, &x140, x138, ((@as(u64, x114) + @as(u64, x92)) + (@as(u64, x106) + x94)), (@as(u64, x130) + x118));
var x141: u64 = undefined;
var x142: u64 = undefined;
mulxU64(&x141, &x142, x3, 0x66e12d94f3d95620);
@@ -1435,7 +1434,7 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
addcarryxU64(&x185, &x186, x184, x161, x177);
var x187: u64 = undefined;
var x188: u1 = undefined;
addcarryxU64(&x187, &x188, x186, ((cast(u64, x162) + cast(u64, x140)) + (cast(u64, x154) + x142)), (cast(u64, x178) + x166));
addcarryxU64(&x187, &x188, x186, ((@as(u64, x162) + @as(u64, x140)) + (@as(u64, x154) + x142)), (@as(u64, x178) + x166));
var x189: u64 = undefined;
var x190: u1 = undefined;
subborrowxU64(&x189, &x190, 0x0, x181, 0xf3b9cac2fc632551);
@@ -1450,7 +1449,7 @@ pub fn toMontgomery(out1: *MontgomeryDomainFieldElement, arg1: NonMontgomeryDoma
subborrowxU64(&x195, &x196, x194, x187, 0xffffffff00000000);
var x197: u64 = undefined;
var x198: u1 = undefined;
subborrowxU64(&x197, &x198, x196, cast(u64, x188), cast(u64, 0x0));
subborrowxU64(&x197, &x198, x196, @as(u64, x188), @as(u64, 0x0));
var x199: u64 = undefined;
cmovznzU64(&x199, x198, x189, x181);
var x200: u64 = undefined;
@@ -1529,62 +1528,62 @@ pub fn toBytes(out1: *[32]u8, arg1: [4]u64) void {
const x2 = (arg1[2]);
const x3 = (arg1[1]);
const x4 = (arg1[0]);
const x5 = cast(u8, (x4 & cast(u64, 0xff)));
const x5 = @truncate(u8, (x4 & @as(u64, 0xff)));
const x6 = (x4 >> 8);
const x7 = cast(u8, (x6 & cast(u64, 0xff)));
const x7 = @truncate(u8, (x6 & @as(u64, 0xff)));
const x8 = (x6 >> 8);
const x9 = cast(u8, (x8 & cast(u64, 0xff)));
const x9 = @truncate(u8, (x8 & @as(u64, 0xff)));
const x10 = (x8 >> 8);
const x11 = cast(u8, (x10 & cast(u64, 0xff)));
const x11 = @truncate(u8, (x10 & @as(u64, 0xff)));
const x12 = (x10 >> 8);
const x13 = cast(u8, (x12 & cast(u64, 0xff)));
const x13 = @truncate(u8, (x12 & @as(u64, 0xff)));
const x14 = (x12 >> 8);
const x15 = cast(u8, (x14 & cast(u64, 0xff)));
const x15 = @truncate(u8, (x14 & @as(u64, 0xff)));
const x16 = (x14 >> 8);
const x17 = cast(u8, (x16 & cast(u64, 0xff)));
const x18 = cast(u8, (x16 >> 8));
const x19 = cast(u8, (x3 & cast(u64, 0xff)));
const x17 = @truncate(u8, (x16 & @as(u64, 0xff)));
const x18 = @truncate(u8, (x16 >> 8));
const x19 = @truncate(u8, (x3 & @as(u64, 0xff)));
const x20 = (x3 >> 8);
const x21 = cast(u8, (x20 & cast(u64, 0xff)));
const x21 = @truncate(u8, (x20 & @as(u64, 0xff)));
const x22 = (x20 >> 8);
const x23 = cast(u8, (x22 & cast(u64, 0xff)));
const x23 = @truncate(u8, (x22 & @as(u64, 0xff)));
const x24 = (x22 >> 8);
const x25 = cast(u8, (x24 & cast(u64, 0xff)));
const x25 = @truncate(u8, (x24 & @as(u64, 0xff)));
const x26 = (x24 >> 8);
const x27 = cast(u8, (x26 & cast(u64, 0xff)));
const x27 = @truncate(u8, (x26 & @as(u64, 0xff)));
const x28 = (x26 >> 8);
const x29 = cast(u8, (x28 & cast(u64, 0xff)));
const x29 = @truncate(u8, (x28 & @as(u64, 0xff)));
const x30 = (x28 >> 8);
const x31 = cast(u8, (x30 & cast(u64, 0xff)));
const x32 = cast(u8, (x30 >> 8));
const x33 = cast(u8, (x2 & cast(u64, 0xff)));
const x31 = @truncate(u8, (x30 & @as(u64, 0xff)));
const x32 = @truncate(u8, (x30 >> 8));
const x33 = @truncate(u8, (x2 & @as(u64, 0xff)));
const x34 = (x2 >> 8);
const x35 = cast(u8, (x34 & cast(u64, 0xff)));
const x35 = @truncate(u8, (x34 & @as(u64, 0xff)));
const x36 = (x34 >> 8);
const x37 = cast(u8, (x36 & cast(u64, 0xff)));
const x37 = @truncate(u8, (x36 & @as(u64, 0xff)));
const x38 = (x36 >> 8);
const x39 = cast(u8, (x38 & cast(u64, 0xff)));
const x39 = @truncate(u8, (x38 & @as(u64, 0xff)));
const x40 = (x38 >> 8);
const x41 = cast(u8, (x40 & cast(u64, 0xff)));
const x41 = @truncate(u8, (x40 & @as(u64, 0xff)));
const x42 = (x40 >> 8);
const x43 = cast(u8, (x42 & cast(u64, 0xff)));
const x43 = @truncate(u8, (x42 & @as(u64, 0xff)));
const x44 = (x42 >> 8);
const x45 = cast(u8, (x44 & cast(u64, 0xff)));
const x46 = cast(u8, (x44 >> 8));
const x47 = cast(u8, (x1 & cast(u64, 0xff)));
const x45 = @truncate(u8, (x44 & @as(u64, 0xff)));
const x46 = @truncate(u8, (x44 >> 8));
const x47 = @truncate(u8, (x1 & @as(u64, 0xff)));
const x48 = (x1 >> 8);
const x49 = cast(u8, (x48 & cast(u64, 0xff)));
const x49 = @truncate(u8, (x48 & @as(u64, 0xff)));
const x50 = (x48 >> 8);
const x51 = cast(u8, (x50 & cast(u64, 0xff)));
const x51 = @truncate(u8, (x50 & @as(u64, 0xff)));
const x52 = (x50 >> 8);
const x53 = cast(u8, (x52 & cast(u64, 0xff)));
const x53 = @truncate(u8, (x52 & @as(u64, 0xff)));
const x54 = (x52 >> 8);
const x55 = cast(u8, (x54 & cast(u64, 0xff)));
const x55 = @truncate(u8, (x54 & @as(u64, 0xff)));
const x56 = (x54 >> 8);
const x57 = cast(u8, (x56 & cast(u64, 0xff)));
const x57 = @truncate(u8, (x56 & @as(u64, 0xff)));
const x58 = (x56 >> 8);
const x59 = cast(u8, (x58 & cast(u64, 0xff)));
const x60 = cast(u8, (x58 >> 8));
const x59 = @truncate(u8, (x58 & @as(u64, 0xff)));
const x60 = @truncate(u8, (x58 >> 8));
out1[0] = x5;
out1[1] = x7;
out1[2] = x9;
@@ -1634,60 +1633,60 @@ pub fn toBytes(out1: *[32]u8, arg1: [4]u64) void {
pub fn fromBytes(out1: *[4]u64, arg1: [32]u8) void {
@setRuntimeSafety(mode == .Debug);
const x1 = (cast(u64, (arg1[31])) << 56);
const x2 = (cast(u64, (arg1[30])) << 48);
const x3 = (cast(u64, (arg1[29])) << 40);
const x4 = (cast(u64, (arg1[28])) << 32);
const x5 = (cast(u64, (arg1[27])) << 24);
const x6 = (cast(u64, (arg1[26])) << 16);
const x7 = (cast(u64, (arg1[25])) << 8);
const x1 = (@as(u64, (arg1[31])) << 56);
const x2 = (@as(u64, (arg1[30])) << 48);
const x3 = (@as(u64, (arg1[29])) << 40);
const x4 = (@as(u64, (arg1[28])) << 32);
const x5 = (@as(u64, (arg1[27])) << 24);
const x6 = (@as(u64, (arg1[26])) << 16);
const x7 = (@as(u64, (arg1[25])) << 8);
const x8 = (arg1[24]);
const x9 = (cast(u64, (arg1[23])) << 56);
const x10 = (cast(u64, (arg1[22])) << 48);
const x11 = (cast(u64, (arg1[21])) << 40);
const x12 = (cast(u64, (arg1[20])) << 32);
const x13 = (cast(u64, (arg1[19])) << 24);
const x14 = (cast(u64, (arg1[18])) << 16);
const x15 = (cast(u64, (arg1[17])) << 8);
const x9 = (@as(u64, (arg1[23])) << 56);
const x10 = (@as(u64, (arg1[22])) << 48);
const x11 = (@as(u64, (arg1[21])) << 40);
const x12 = (@as(u64, (arg1[20])) << 32);
const x13 = (@as(u64, (arg1[19])) << 24);
const x14 = (@as(u64, (arg1[18])) << 16);
const x15 = (@as(u64, (arg1[17])) << 8);
const x16 = (arg1[16]);
const x17 = (cast(u64, (arg1[15])) << 56);
const x18 = (cast(u64, (arg1[14])) << 48);
const x19 = (cast(u64, (arg1[13])) << 40);
const x20 = (cast(u64, (arg1[12])) << 32);
const x21 = (cast(u64, (arg1[11])) << 24);
const x22 = (cast(u64, (arg1[10])) << 16);
const x23 = (cast(u64, (arg1[9])) << 8);
const x17 = (@as(u64, (arg1[15])) << 56);
const x18 = (@as(u64, (arg1[14])) << 48);
const x19 = (@as(u64, (arg1[13])) << 40);
const x20 = (@as(u64, (arg1[12])) << 32);
const x21 = (@as(u64, (arg1[11])) << 24);
const x22 = (@as(u64, (arg1[10])) << 16);
const x23 = (@as(u64, (arg1[9])) << 8);
const x24 = (arg1[8]);
const x25 = (cast(u64, (arg1[7])) << 56);
const x26 = (cast(u64, (arg1[6])) << 48);
const x27 = (cast(u64, (arg1[5])) << 40);
const x28 = (cast(u64, (arg1[4])) << 32);
const x29 = (cast(u64, (arg1[3])) << 24);
const x30 = (cast(u64, (arg1[2])) << 16);
const x31 = (cast(u64, (arg1[1])) << 8);
const x25 = (@as(u64, (arg1[7])) << 56);
const x26 = (@as(u64, (arg1[6])) << 48);
const x27 = (@as(u64, (arg1[5])) << 40);
const x28 = (@as(u64, (arg1[4])) << 32);
const x29 = (@as(u64, (arg1[3])) << 24);
const x30 = (@as(u64, (arg1[2])) << 16);
const x31 = (@as(u64, (arg1[1])) << 8);
const x32 = (arg1[0]);
const x33 = (x31 + cast(u64, x32));
const x33 = (x31 + @as(u64, x32));
const x34 = (x30 + x33);
const x35 = (x29 + x34);
const x36 = (x28 + x35);
const x37 = (x27 + x36);
const x38 = (x26 + x37);
const x39 = (x25 + x38);
const x40 = (x23 + cast(u64, x24));
const x40 = (x23 + @as(u64, x24));
const x41 = (x22 + x40);
const x42 = (x21 + x41);
const x43 = (x20 + x42);
const x44 = (x19 + x43);
const x45 = (x18 + x44);
const x46 = (x17 + x45);
const x47 = (x15 + cast(u64, x16));
const x47 = (x15 + @as(u64, x16));
const x48 = (x14 + x47);
const x49 = (x13 + x48);
const x50 = (x12 + x49);
const x51 = (x11 + x50);
const x52 = (x10 + x51);
const x53 = (x9 + x52);
const x54 = (x7 + cast(u64, x8));
const x54 = (x7 + @as(u64, x8));
const x55 = (x6 + x54);
const x56 = (x5 + x55);
const x57 = (x4 + x56);
@@ -1711,7 +1710,7 @@ pub fn setOne(out1: *MontgomeryDomainFieldElement) void {
out1[0] = 0xc46353d039cdaaf;
out1[1] = 0x4319055258e8617b;
out1[2] = cast(u64, 0x0);
out1[2] = @as(u64, 0x0);
out1[3] = 0xffffffff;
}
@@ -1730,7 +1729,7 @@ pub fn msat(out1: *[5]u64) void {
out1[1] = 0xbce6faada7179e84;
out1[2] = 0xffffffffffffffff;
out1[3] = 0xffffffff00000000;
out1[4] = cast(u64, 0x0);
out1[4] = @as(u64, 0x0);
}
/// The function divstep computes a divstep.
@@ -1766,11 +1765,11 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
var x1: u64 = undefined;
var x2: u1 = undefined;
addcarryxU64(&x1, &x2, 0x0, (~arg1), cast(u64, 0x1));
const x3 = (cast(u1, (x1 >> 63)) & cast(u1, ((arg3[0]) & cast(u64, 0x1))));
addcarryxU64(&x1, &x2, 0x0, (~arg1), @as(u64, 0x1));
const x3 = (@as(u1, (x1 >> 63)) & @as(u1, ((arg3[0]) & @as(u64, 0x1))));
var x4: u64 = undefined;
var x5: u1 = undefined;
addcarryxU64(&x4, &x5, 0x0, (~arg1), cast(u64, 0x1));
addcarryxU64(&x4, &x5, 0x0, (~arg1), @as(u64, 0x1));
var x6: u64 = undefined;
cmovznzU64(&x6, x3, arg1, x4);
var x7: u64 = undefined;
@@ -1785,19 +1784,19 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
cmovznzU64(&x11, x3, (arg2[4]), (arg3[4]));
var x12: u64 = undefined;
var x13: u1 = undefined;
addcarryxU64(&x12, &x13, 0x0, cast(u64, 0x1), (~(arg2[0])));
addcarryxU64(&x12, &x13, 0x0, @as(u64, 0x1), (~(arg2[0])));
var x14: u64 = undefined;
var x15: u1 = undefined;
addcarryxU64(&x14, &x15, x13, cast(u64, 0x0), (~(arg2[1])));
addcarryxU64(&x14, &x15, x13, @as(u64, 0x0), (~(arg2[1])));
var x16: u64 = undefined;
var x17: u1 = undefined;
addcarryxU64(&x16, &x17, x15, cast(u64, 0x0), (~(arg2[2])));
addcarryxU64(&x16, &x17, x15, @as(u64, 0x0), (~(arg2[2])));
var x18: u64 = undefined;
var x19: u1 = undefined;
addcarryxU64(&x18, &x19, x17, cast(u64, 0x0), (~(arg2[3])));
addcarryxU64(&x18, &x19, x17, @as(u64, 0x0), (~(arg2[3])));
var x20: u64 = undefined;
var x21: u1 = undefined;
addcarryxU64(&x20, &x21, x19, cast(u64, 0x0), (~(arg2[4])));
addcarryxU64(&x20, &x21, x19, @as(u64, 0x0), (~(arg2[4])));
var x22: u64 = undefined;
cmovznzU64(&x22, x3, (arg3[0]), x12);
var x23: u64 = undefined;
@@ -1842,25 +1841,25 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
subborrowxU64(&x45, &x46, x44, x37, 0xffffffff00000000);
var x47: u64 = undefined;
var x48: u1 = undefined;
subborrowxU64(&x47, &x48, x46, cast(u64, x38), cast(u64, 0x0));
subborrowxU64(&x47, &x48, x46, @as(u64, x38), @as(u64, 0x0));
const x49 = (arg4[3]);
const x50 = (arg4[2]);
const x51 = (arg4[1]);
const x52 = (arg4[0]);
var x53: u64 = undefined;
var x54: u1 = undefined;
subborrowxU64(&x53, &x54, 0x0, cast(u64, 0x0), x52);
subborrowxU64(&x53, &x54, 0x0, @as(u64, 0x0), x52);
var x55: u64 = undefined;
var x56: u1 = undefined;
subborrowxU64(&x55, &x56, x54, cast(u64, 0x0), x51);
subborrowxU64(&x55, &x56, x54, @as(u64, 0x0), x51);
var x57: u64 = undefined;
var x58: u1 = undefined;
subborrowxU64(&x57, &x58, x56, cast(u64, 0x0), x50);
subborrowxU64(&x57, &x58, x56, @as(u64, 0x0), x50);
var x59: u64 = undefined;
var x60: u1 = undefined;
subborrowxU64(&x59, &x60, x58, cast(u64, 0x0), x49);
subborrowxU64(&x59, &x60, x58, @as(u64, 0x0), x49);
var x61: u64 = undefined;
cmovznzU64(&x61, x60, cast(u64, 0x0), 0xffffffffffffffff);
cmovznzU64(&x61, x60, @as(u64, 0x0), 0xffffffffffffffff);
var x62: u64 = undefined;
var x63: u1 = undefined;
addcarryxU64(&x62, &x63, 0x0, x53, (x61 & 0xf3b9cac2fc632551));
@@ -1881,17 +1880,17 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
cmovznzU64(&x72, x3, (arg5[2]), x66);
var x73: u64 = undefined;
cmovznzU64(&x73, x3, (arg5[3]), x68);
const x74 = cast(u1, (x22 & cast(u64, 0x1)));
const x74 = @as(u1, (x22 & @as(u64, 0x1)));
var x75: u64 = undefined;
cmovznzU64(&x75, x74, cast(u64, 0x0), x7);
cmovznzU64(&x75, x74, @as(u64, 0x0), x7);
var x76: u64 = undefined;
cmovznzU64(&x76, x74, cast(u64, 0x0), x8);
cmovznzU64(&x76, x74, @as(u64, 0x0), x8);
var x77: u64 = undefined;
cmovznzU64(&x77, x74, cast(u64, 0x0), x9);
cmovznzU64(&x77, x74, @as(u64, 0x0), x9);
var x78: u64 = undefined;
cmovznzU64(&x78, x74, cast(u64, 0x0), x10);
cmovznzU64(&x78, x74, @as(u64, 0x0), x10);
var x79: u64 = undefined;
cmovznzU64(&x79, x74, cast(u64, 0x0), x11);
cmovznzU64(&x79, x74, @as(u64, 0x0), x11);
var x80: u64 = undefined;
var x81: u1 = undefined;
addcarryxU64(&x80, &x81, 0x0, x22, x75);
@@ -1908,13 +1907,13 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
var x89: u1 = undefined;
addcarryxU64(&x88, &x89, x87, x26, x79);
var x90: u64 = undefined;
cmovznzU64(&x90, x74, cast(u64, 0x0), x27);
cmovznzU64(&x90, x74, @as(u64, 0x0), x27);
var x91: u64 = undefined;
cmovznzU64(&x91, x74, cast(u64, 0x0), x28);
cmovznzU64(&x91, x74, @as(u64, 0x0), x28);
var x92: u64 = undefined;
cmovznzU64(&x92, x74, cast(u64, 0x0), x29);
cmovznzU64(&x92, x74, @as(u64, 0x0), x29);
var x93: u64 = undefined;
cmovznzU64(&x93, x74, cast(u64, 0x0), x30);
cmovznzU64(&x93, x74, @as(u64, 0x0), x30);
var x94: u64 = undefined;
var x95: u1 = undefined;
addcarryxU64(&x94, &x95, 0x0, x70, x90);
@@ -1941,10 +1940,10 @@ pub fn divstep(out1: *u64, out2: *[5]u64, out3: *[5]u64, out4: *[4]u64, out5: *[
subborrowxU64(&x108, &x109, x107, x100, 0xffffffff00000000);
var x110: u64 = undefined;
var x111: u1 = undefined;
subborrowxU64(&x110, &x111, x109, cast(u64, x101), cast(u64, 0x0));
subborrowxU64(&x110, &x111, x109, @as(u64, x101), @as(u64, 0x0));
var x112: u64 = undefined;
var x113: u1 = undefined;
addcarryxU64(&x112, &x113, 0x0, x6, cast(u64, 0x1));
addcarryxU64(&x112, &x113, 0x0, x6, @as(u64, 0x1));
const x114 = ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff));
const x115 = ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff));
const x116 = ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff));

376
lib/std/meta.zig
View File

@@ -884,319 +884,6 @@ pub fn Vector(comptime len: u32, comptime child: type) type {
});
}
/// Given a type and value, cast the value to the type as c would.
/// This is for translate-c and is not intended for general use.
pub fn cast(comptime DestType: type, target: anytype) DestType {
// this function should behave like transCCast in translate-c, except it's for macros and enums
const SourceType = @TypeOf(target);
switch (@typeInfo(DestType)) {
.Pointer => return castToPtr(DestType, SourceType, target),
.Optional => |dest_opt| {
if (@typeInfo(dest_opt.child) == .Pointer) {
return castToPtr(DestType, SourceType, target);
}
},
.Enum => |enum_type| {
if (@typeInfo(SourceType) == .Int or @typeInfo(SourceType) == .ComptimeInt) {
const intermediate = cast(enum_type.tag_type, target);
return @intToEnum(DestType, intermediate);
}
},
.Int => {
switch (@typeInfo(SourceType)) {
.Pointer => {
return castInt(DestType, @ptrToInt(target));
},
.Optional => |opt| {
if (@typeInfo(opt.child) == .Pointer) {
return castInt(DestType, @ptrToInt(target));
}
},
.Enum => {
return castInt(DestType, @enumToInt(target));
},
.Int => {
return castInt(DestType, target);
},
else => {},
}
},
else => {},
}
return @as(DestType, target);
}
fn castInt(comptime DestType: type, target: anytype) DestType {
const dest = @typeInfo(DestType).Int;
const source = @typeInfo(@TypeOf(target)).Int;
if (dest.bits < source.bits)
return @bitCast(DestType, @truncate(Int(source.signedness, dest.bits), target))
else
return @bitCast(DestType, @as(Int(source.signedness, dest.bits), target));
}
fn castPtr(comptime DestType: type, target: anytype) DestType {
const dest = ptrInfo(DestType);
const source = ptrInfo(@TypeOf(target));
if (source.is_const and !dest.is_const or source.is_volatile and !dest.is_volatile)
return @intToPtr(DestType, @ptrToInt(target))
else if (@typeInfo(dest.child) == .Opaque)
// dest.alignment would error out
return @ptrCast(DestType, target)
else
return @ptrCast(DestType, @alignCast(dest.alignment, target));
}
fn castToPtr(comptime DestType: type, comptime SourceType: type, target: anytype) DestType {
switch (@typeInfo(SourceType)) {
.Int => {
return @intToPtr(DestType, castInt(usize, target));
},
.ComptimeInt => {
if (target < 0)
return @intToPtr(DestType, @bitCast(usize, @intCast(isize, target)))
else
return @intToPtr(DestType, @intCast(usize, target));
},
.Pointer => {
return castPtr(DestType, target);
},
.Optional => |target_opt| {
if (@typeInfo(target_opt.child) == .Pointer) {
return castPtr(DestType, target);
}
},
else => {},
}
return @as(DestType, target);
}
fn ptrInfo(comptime PtrType: type) TypeInfo.Pointer {
return switch (@typeInfo(PtrType)) {
.Optional => |opt_info| @typeInfo(opt_info.child).Pointer,
.Pointer => |ptr_info| ptr_info,
else => unreachable,
};
}
test "std.meta.cast" {
const E = enum(u2) {
Zero,
One,
Two,
};
var i = @as(i64, 10);
try testing.expect(cast(*u8, 16) == @intToPtr(*u8, 16));
try testing.expect(cast(*u64, &i).* == @as(u64, 10));
try testing.expect(cast(*i64, @as(?*align(1) i64, &i)) == &i);
try testing.expect(cast(?*u8, 2) == @intToPtr(*u8, 2));
try testing.expect(cast(?*i64, @as(*align(1) i64, &i)) == &i);
try testing.expect(cast(?*i64, @as(?*align(1) i64, &i)) == &i);
try testing.expect(cast(E, 1) == .One);
try testing.expectEqual(@as(u32, 4), cast(u32, @intToPtr(*u32, 4)));
try testing.expectEqual(@as(u32, 4), cast(u32, @intToPtr(?*u32, 4)));
try testing.expectEqual(@as(u32, 10), cast(u32, @as(u64, 10)));
try testing.expectEqual(@as(u8, 2), cast(u8, E.Two));
try testing.expectEqual(@bitCast(i32, @as(u32, 0x8000_0000)), cast(i32, @as(u32, 0x8000_0000)));
try testing.expectEqual(@intToPtr(*u8, 2), cast(*u8, @intToPtr(*const u8, 2)));
try testing.expectEqual(@intToPtr(*u8, 2), cast(*u8, @intToPtr(*volatile u8, 2)));
try testing.expectEqual(@intToPtr(?*c_void, 2), cast(?*c_void, @intToPtr(*u8, 2)));
const C_ENUM = enum(c_int) {
A = 0,
B,
C,
_,
};
try testing.expectEqual(cast(C_ENUM, @as(i64, -1)), @intToEnum(C_ENUM, -1));
try testing.expectEqual(cast(C_ENUM, @as(i8, 1)), .B);
try testing.expectEqual(cast(C_ENUM, @as(u64, 1)), .B);
try testing.expectEqual(cast(C_ENUM, @as(u64, 42)), @intToEnum(C_ENUM, 42));
var foo: c_int = -1;
try testing.expect(cast(*c_void, -1) == @intToPtr(*c_void, @bitCast(usize, @as(isize, -1))));
try testing.expect(cast(*c_void, foo) == @intToPtr(*c_void, @bitCast(usize, @as(isize, -1))));
try testing.expect(cast(?*c_void, -1) == @intToPtr(?*c_void, @bitCast(usize, @as(isize, -1))));
try testing.expect(cast(?*c_void, foo) == @intToPtr(?*c_void, @bitCast(usize, @as(isize, -1))));
}
/// Given a value returns its size as C's sizeof operator would.
/// This is for translate-c and is not intended for general use.
pub fn sizeof(target: anytype) usize {
const T: type = if (@TypeOf(target) == type) target else @TypeOf(target);
switch (@typeInfo(T)) {
.Float, .Int, .Struct, .Union, .Enum, .Array, .Bool, .Vector => return @sizeOf(T),
.Fn => {
// sizeof(main) returns 1, sizeof(&main) returns pointer size.
// We cannot distinguish those types in Zig, so use pointer size.
return @sizeOf(T);
},
.Null => return @sizeOf(*c_void),
.Void => {
// Note: sizeof(void) is 1 on clang/gcc and 0 on MSVC.
return 1;
},
.Opaque => {
if (T == c_void) {
// Note: sizeof(void) is 1 on clang/gcc and 0 on MSVC.
return 1;
} else {
@compileError("Cannot use C sizeof on opaque type " ++ @typeName(T));
}
},
.Optional => |opt| {
if (@typeInfo(opt.child) == .Pointer) {
return sizeof(opt.child);
} else {
@compileError("Cannot use C sizeof on non-pointer optional " ++ @typeName(T));
}
},
.Pointer => |ptr| {
if (ptr.size == .Slice) {
@compileError("Cannot use C sizeof on slice type " ++ @typeName(T));
}
// for strings, sizeof("a") returns 2.
// normal pointer decay scenarios from C are handled
// in the .Array case above, but strings remain literals
// and are therefore always pointers, so they need to be
// specially handled here.
if (ptr.size == .One and ptr.is_const and @typeInfo(ptr.child) == .Array) {
const array_info = @typeInfo(ptr.child).Array;
if ((array_info.child == u8 or array_info.child == u16) and
array_info.sentinel != null and
array_info.sentinel.? == 0)
{
// length of the string plus one for the null terminator.
return (array_info.len + 1) * @sizeOf(array_info.child);
}
}
// When zero sized pointers are removed, this case will no
// longer be reachable and can be deleted.
if (@sizeOf(T) == 0) {
return @sizeOf(*c_void);
}
return @sizeOf(T);
},
.ComptimeFloat => return @sizeOf(f64), // TODO c_double #3999
.ComptimeInt => {
// TODO to get the correct result we have to translate
// `1073741824 * 4` as `int(1073741824) *% int(4)` since
// sizeof(1073741824 * 4) != sizeof(4294967296).
// TODO test if target fits in int, long or long long
return @sizeOf(c_int);
},
else => @compileError("std.meta.sizeof does not support type " ++ @typeName(T)),
}
}
test "sizeof" {
const E = enum(c_int) { One, _ };
const S = extern struct { a: u32 };
const ptr_size = @sizeOf(*c_void);
try testing.expect(sizeof(u32) == 4);
try testing.expect(sizeof(@as(u32, 2)) == 4);
try testing.expect(sizeof(2) == @sizeOf(c_int));
try testing.expect(sizeof(2.0) == @sizeOf(f64));
try testing.expect(sizeof(E) == @sizeOf(c_int));
try testing.expect(sizeof(E.One) == @sizeOf(c_int));
try testing.expect(sizeof(S) == 4);
try testing.expect(sizeof([_]u32{ 4, 5, 6 }) == 12);
try testing.expect(sizeof([3]u32) == 12);
try testing.expect(sizeof([3:0]u32) == 16);
try testing.expect(sizeof(&[_]u32{ 4, 5, 6 }) == ptr_size);
try testing.expect(sizeof(*u32) == ptr_size);
try testing.expect(sizeof([*]u32) == ptr_size);
try testing.expect(sizeof([*c]u32) == ptr_size);
try testing.expect(sizeof(?*u32) == ptr_size);
try testing.expect(sizeof(?[*]u32) == ptr_size);
try testing.expect(sizeof(*c_void) == ptr_size);
try testing.expect(sizeof(*void) == ptr_size);
try testing.expect(sizeof(null) == ptr_size);
try testing.expect(sizeof("foobar") == 7);
try testing.expect(sizeof(&[_:0]u16{ 'f', 'o', 'o', 'b', 'a', 'r' }) == 14);
try testing.expect(sizeof(*const [4:0]u8) == 5);
try testing.expect(sizeof(*[4:0]u8) == ptr_size);
try testing.expect(sizeof([*]const [4:0]u8) == ptr_size);
try testing.expect(sizeof(*const *const [4:0]u8) == ptr_size);
try testing.expect(sizeof(*const [4]u8) == ptr_size);
try testing.expect(sizeof(sizeof) == @sizeOf(@TypeOf(sizeof)));
try testing.expect(sizeof(void) == 1);
try testing.expect(sizeof(c_void) == 1);
}
pub const CIntLiteralRadix = enum { decimal, octal, hexadecimal };
fn PromoteIntLiteralReturnType(comptime SuffixType: type, comptime number: comptime_int, comptime radix: CIntLiteralRadix) type {
const signed_decimal = [_]type{ c_int, c_long, c_longlong };
const signed_oct_hex = [_]type{ c_int, c_uint, c_long, c_ulong, c_longlong, c_ulonglong };
const unsigned = [_]type{ c_uint, c_ulong, c_ulonglong };
const list: []const type = if (@typeInfo(SuffixType).Int.signedness == .unsigned)
&unsigned
else if (radix == .decimal)
&signed_decimal
else
&signed_oct_hex;
var pos = mem.indexOfScalar(type, list, SuffixType).?;
while (pos < list.len) : (pos += 1) {
if (number >= math.minInt(list[pos]) and number <= math.maxInt(list[pos])) {
return list[pos];
}
}
@compileError("Integer literal is too large");
}
/// Promote the type of an integer literal until it fits as C would.
/// This is for translate-c and is not intended for general use.
pub fn promoteIntLiteral(
comptime SuffixType: type,
comptime number: comptime_int,
comptime radix: CIntLiteralRadix,
) PromoteIntLiteralReturnType(SuffixType, number, radix) {
return number;
}
test "promoteIntLiteral" {
const signed_hex = promoteIntLiteral(c_int, math.maxInt(c_int) + 1, .hexadecimal);
try testing.expectEqual(c_uint, @TypeOf(signed_hex));
if (math.maxInt(c_longlong) == math.maxInt(c_int)) return;
const signed_decimal = promoteIntLiteral(c_int, math.maxInt(c_int) + 1, .decimal);
const unsigned = promoteIntLiteral(c_uint, math.maxInt(c_uint) + 1, .hexadecimal);
if (math.maxInt(c_long) > math.maxInt(c_int)) {
try testing.expectEqual(c_long, @TypeOf(signed_decimal));
try testing.expectEqual(c_ulong, @TypeOf(unsigned));
} else {
try testing.expectEqual(c_longlong, @TypeOf(signed_decimal));
try testing.expectEqual(c_ulonglong, @TypeOf(unsigned));
}
}
/// For a given function type, returns a tuple type which fields will
/// correspond to the argument types.
///
@@ -1316,38 +1003,6 @@ pub fn globalOption(comptime name: []const u8, comptime T: type) ?T {
return @as(T, @field(root, name));
}
/// This function is for translate-c and is not intended for general use.
/// Convert from clang __builtin_shufflevector index to Zig @shuffle index
/// clang requires __builtin_shufflevector index arguments to be integer constants.
/// negative values for `this_index` indicate "don't care" so we arbitrarily choose 0
/// clang enforces that `this_index` is less than the total number of vector elements
/// See https://ziglang.org/documentation/master/#shuffle
/// See https://clang.llvm.org/docs/LanguageExtensions.html#langext-builtin-shufflevector
pub fn shuffleVectorIndex(comptime this_index: c_int, comptime source_vector_len: usize) i32 {
if (this_index <= 0) return 0;
const positive_index = @intCast(usize, this_index);
if (positive_index < source_vector_len) return @intCast(i32, this_index);
const b_index = positive_index - source_vector_len;
return ~@intCast(i32, b_index);
}
test "shuffleVectorIndex" {
const vector_len: usize = 4;
try testing.expect(shuffleVectorIndex(-1, vector_len) == 0);
try testing.expect(shuffleVectorIndex(0, vector_len) == 0);
try testing.expect(shuffleVectorIndex(1, vector_len) == 1);
try testing.expect(shuffleVectorIndex(2, vector_len) == 2);
try testing.expect(shuffleVectorIndex(3, vector_len) == 3);
try testing.expect(shuffleVectorIndex(4, vector_len) == -1);
try testing.expect(shuffleVectorIndex(5, vector_len) == -2);
try testing.expect(shuffleVectorIndex(6, vector_len) == -3);
try testing.expect(shuffleVectorIndex(7, vector_len) == -4);
}
/// Returns whether `error_union` contains an error.
pub fn isError(error_union: anytype) bool {
return if (error_union) |_| false else |_| true;
@@ -1357,34 +1012,3 @@ test "isError" {
try std.testing.expect(isError(math.absInt(@as(i8, -128))));
try std.testing.expect(!isError(math.absInt(@as(i8, -127))));
}
/// This function is for translate-c and is not intended for general use.
/// Constructs a [*c] pointer with the const and volatile annotations
/// from SelfType for pointing to a C flexible array of ElementType.
pub fn FlexibleArrayType(comptime SelfType: type, ElementType: type) type {
switch (@typeInfo(SelfType)) {
.Pointer => |ptr| {
return @Type(TypeInfo{ .Pointer = .{
.size = .C,
.is_const = ptr.is_const,
.is_volatile = ptr.is_volatile,
.alignment = @alignOf(ElementType),
.child = ElementType,
.is_allowzero = true,
.sentinel = null,
} });
},
else => |info| @compileError("Invalid self type \"" ++ @tagName(info) ++ "\" for flexible array getter: " ++ @typeName(SelfType)),
}
}
test "Flexible Array Type" {
const Container = extern struct {
size: usize,
};
try testing.expectEqual(FlexibleArrayType(*Container, c_int), [*c]c_int);
try testing.expectEqual(FlexibleArrayType(*const Container, c_int), [*c]const c_int);
try testing.expectEqual(FlexibleArrayType(*volatile Container, c_int), [*c]volatile c_int);
try testing.expectEqual(FlexibleArrayType(*const volatile Container, c_int), [*c]const volatile c_int);
}

4
lib/std/zig.zig
View File

@@ -16,6 +16,10 @@ pub const ast = @import("zig/ast.zig");
pub const system = @import("zig/system.zig");
pub const CrossTarget = @import("zig/cross_target.zig").CrossTarget;
// Files needed by translate-c.
pub const c_builtins = @import("zig/c_builtins.zig");
pub const c_translation = @import("zig/c_translation.zig");
pub const SrcHash = [16]u8;
pub fn hashSrc(src: []const u8) SrcHash {

0
lib/std/c/builtins.zig → lib/std/zig/c_builtins.zig
View File

385
lib/std/zig/c_translation.zig Normal file
View File

@@ -0,0 +1,385 @@
// SPDX-License-Identifier: MIT
// Copyright (c) 2015-2021 Zig Contributors
// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
// The MIT license requires this copyright notice to be included in all copies
// and substantial portions of the software.
const std = @import("std");
const testing = std.testing;
const math = std.math;
const mem = std.mem;
/// Given a type and value, cast the value to the type as c would.
pub fn cast(comptime DestType: type, target: anytype) DestType {
// this function should behave like transCCast in translate-c, except it's for macros and enums
const SourceType = @TypeOf(target);
switch (@typeInfo(DestType)) {
.Fn, .Pointer => return castToPtr(DestType, SourceType, target),
.Optional => |dest_opt| {
if (@typeInfo(dest_opt.child) == .Pointer or @typeInfo(dest_opt.child) == .Fn) {
return castToPtr(DestType, SourceType, target);
}
},
.Enum => |enum_type| {
if (@typeInfo(SourceType) == .Int or @typeInfo(SourceType) == .ComptimeInt) {
const intermediate = cast(enum_type.tag_type, target);
return @intToEnum(DestType, intermediate);
}
},
.Int => {
switch (@typeInfo(SourceType)) {
.Pointer => {
return castInt(DestType, @ptrToInt(target));
},
.Optional => |opt| {
if (@typeInfo(opt.child) == .Pointer) {
return castInt(DestType, @ptrToInt(target));
}
},
.Enum => {
return castInt(DestType, @enumToInt(target));
},
.Int => {
return castInt(DestType, target);
},
else => {},
}
},
else => {},
}
return @as(DestType, target);
}
fn castInt(comptime DestType: type, target: anytype) DestType {
const dest = @typeInfo(DestType).Int;
const source = @typeInfo(@TypeOf(target)).Int;
if (dest.bits < source.bits)
return @bitCast(DestType, @truncate(std.meta.Int(source.signedness, dest.bits), target))
else
return @bitCast(DestType, @as(std.meta.Int(source.signedness, dest.bits), target));
}
fn castPtr(comptime DestType: type, target: anytype) DestType {
const dest = ptrInfo(DestType);
const source = ptrInfo(@TypeOf(target));
if (source.is_const and !dest.is_const or source.is_volatile and !dest.is_volatile)
return @intToPtr(DestType, @ptrToInt(target))
else if (@typeInfo(dest.child) == .Opaque)
// dest.alignment would error out
return @ptrCast(DestType, target)
else
return @ptrCast(DestType, @alignCast(dest.alignment, target));
}
fn castToPtr(comptime DestType: type, comptime SourceType: type, target: anytype) DestType {
switch (@typeInfo(SourceType)) {
.Int => {
return @intToPtr(DestType, castInt(usize, target));
},
.ComptimeInt => {
if (target < 0)
return @intToPtr(DestType, @bitCast(usize, @intCast(isize, target)))
else
return @intToPtr(DestType, @intCast(usize, target));
},
.Pointer => {
return castPtr(DestType, target);
},
.Optional => |target_opt| {
if (@typeInfo(target_opt.child) == .Pointer) {
return castPtr(DestType, target);
}
},
else => {},
}
return @as(DestType, target);
}
fn ptrInfo(comptime PtrType: type) std.builtin.TypeInfo.Pointer {
return switch (@typeInfo(PtrType)) {
.Optional => |opt_info| @typeInfo(opt_info.child).Pointer,
.Pointer => |ptr_info| ptr_info,
else => unreachable,
};
}
test "cast" {
const E = enum(u2) {
Zero,
One,
Two,
};
var i = @as(i64, 10);
try testing.expect(cast(*u8, 16) == @intToPtr(*u8, 16));
try testing.expect(cast(*u64, &i).* == @as(u64, 10));
try testing.expect(cast(*i64, @as(?*align(1) i64, &i)) == &i);
try testing.expect(cast(?*u8, 2) == @intToPtr(*u8, 2));
try testing.expect(cast(?*i64, @as(*align(1) i64, &i)) == &i);
try testing.expect(cast(?*i64, @as(?*align(1) i64, &i)) == &i);
try testing.expect(cast(E, 1) == .One);
try testing.expectEqual(@as(u32, 4), cast(u32, @intToPtr(*u32, 4)));
try testing.expectEqual(@as(u32, 4), cast(u32, @intToPtr(?*u32, 4)));
try testing.expectEqual(@as(u32, 10), cast(u32, @as(u64, 10)));
try testing.expectEqual(@as(u8, 2), cast(u8, E.Two));
try testing.expectEqual(@bitCast(i32, @as(u32, 0x8000_0000)), cast(i32, @as(u32, 0x8000_0000)));
try testing.expectEqual(@intToPtr(*u8, 2), cast(*u8, @intToPtr(*const u8, 2)));
try testing.expectEqual(@intToPtr(*u8, 2), cast(*u8, @intToPtr(*volatile u8, 2)));
try testing.expectEqual(@intToPtr(?*c_void, 2), cast(?*c_void, @intToPtr(*u8, 2)));
const C_ENUM = enum(c_int) {
A = 0,
B,
C,
_,
};
try testing.expectEqual(cast(C_ENUM, @as(i64, -1)), @intToEnum(C_ENUM, -1));
try testing.expectEqual(cast(C_ENUM, @as(i8, 1)), .B);
try testing.expectEqual(cast(C_ENUM, @as(u64, 1)), .B);
try testing.expectEqual(cast(C_ENUM, @as(u64, 42)), @intToEnum(C_ENUM, 42));
var foo: c_int = -1;
try testing.expect(cast(*c_void, -1) == @intToPtr(*c_void, @bitCast(usize, @as(isize, -1))));
try testing.expect(cast(*c_void, foo) == @intToPtr(*c_void, @bitCast(usize, @as(isize, -1))));
try testing.expect(cast(?*c_void, -1) == @intToPtr(?*c_void, @bitCast(usize, @as(isize, -1))));
try testing.expect(cast(?*c_void, foo) == @intToPtr(?*c_void, @bitCast(usize, @as(isize, -1))));
const FnPtr = ?fn (*c_void) void;
try testing.expect(cast(FnPtr, 0) == @intToPtr(FnPtr, @as(usize, 0)));
try testing.expect(cast(FnPtr, foo) == @intToPtr(FnPtr, @bitCast(usize, @as(isize, -1))));
}
/// Given a value returns its size as C's sizeof operator would.
pub fn sizeof(target: anytype) usize {
const T: type = if (@TypeOf(target) == type) target else @TypeOf(target);
switch (@typeInfo(T)) {
.Float, .Int, .Struct, .Union, .Enum, .Array, .Bool, .Vector => return @sizeOf(T),
.Fn => {
// sizeof(main) returns 1, sizeof(&main) returns pointer size.
// We cannot distinguish those types in Zig, so use pointer size.
return @sizeOf(T);
},
.Null => return @sizeOf(*c_void),
.Void => {
// Note: sizeof(void) is 1 on clang/gcc and 0 on MSVC.
return 1;
},
.Opaque => {
if (T == c_void) {
// Note: sizeof(void) is 1 on clang/gcc and 0 on MSVC.
return 1;
} else {
@compileError("Cannot use C sizeof on opaque type " ++ @typeName(T));
}
},
.Optional => |opt| {
if (@typeInfo(opt.child) == .Pointer) {
return sizeof(opt.child);
} else {
@compileError("Cannot use C sizeof on non-pointer optional " ++ @typeName(T));
}
},
.Pointer => |ptr| {
if (ptr.size == .Slice) {
@compileError("Cannot use C sizeof on slice type " ++ @typeName(T));
}
// for strings, sizeof("a") returns 2.
// normal pointer decay scenarios from C are handled
// in the .Array case above, but strings remain literals
// and are therefore always pointers, so they need to be
// specially handled here.
if (ptr.size == .One and ptr.is_const and @typeInfo(ptr.child) == .Array) {
const array_info = @typeInfo(ptr.child).Array;
if ((array_info.child == u8 or array_info.child == u16) and
array_info.sentinel != null and
array_info.sentinel.? == 0)
{
// length of the string plus one for the null terminator.
return (array_info.len + 1) * @sizeOf(array_info.child);
}
}
// When zero sized pointers are removed, this case will no
// longer be reachable and can be deleted.
if (@sizeOf(T) == 0) {
return @sizeOf(*c_void);
}
return @sizeOf(T);
},
.ComptimeFloat => return @sizeOf(f64), // TODO c_double #3999
.ComptimeInt => {
// TODO to get the correct result we have to translate
// `1073741824 * 4` as `int(1073741824) *% int(4)` since
// sizeof(1073741824 * 4) != sizeof(4294967296).
// TODO test if target fits in int, long or long long
return @sizeOf(c_int);
},
else => @compileError("std.meta.sizeof does not support type " ++ @typeName(T)),
}
}
test "sizeof" {
const E = enum(c_int) { One, _ };
const S = extern struct { a: u32 };
const ptr_size = @sizeOf(*c_void);
try testing.expect(sizeof(u32) == 4);
try testing.expect(sizeof(@as(u32, 2)) == 4);
try testing.expect(sizeof(2) == @sizeOf(c_int));
try testing.expect(sizeof(2.0) == @sizeOf(f64));
try testing.expect(sizeof(E) == @sizeOf(c_int));
try testing.expect(sizeof(E.One) == @sizeOf(c_int));
try testing.expect(sizeof(S) == 4);
try testing.expect(sizeof([_]u32{ 4, 5, 6 }) == 12);
try testing.expect(sizeof([3]u32) == 12);
try testing.expect(sizeof([3:0]u32) == 16);
try testing.expect(sizeof(&[_]u32{ 4, 5, 6 }) == ptr_size);
try testing.expect(sizeof(*u32) == ptr_size);
try testing.expect(sizeof([*]u32) == ptr_size);
try testing.expect(sizeof([*c]u32) == ptr_size);
try testing.expect(sizeof(?*u32) == ptr_size);
try testing.expect(sizeof(?[*]u32) == ptr_size);
try testing.expect(sizeof(*c_void) == ptr_size);
try testing.expect(sizeof(*void) == ptr_size);
try testing.expect(sizeof(null) == ptr_size);
try testing.expect(sizeof("foobar") == 7);
try testing.expect(sizeof(&[_:0]u16{ 'f', 'o', 'o', 'b', 'a', 'r' }) == 14);
try testing.expect(sizeof(*const [4:0]u8) == 5);
try testing.expect(sizeof(*[4:0]u8) == ptr_size);
try testing.expect(sizeof([*]const [4:0]u8) == ptr_size);
try testing.expect(sizeof(*const *const [4:0]u8) == ptr_size);
try testing.expect(sizeof(*const [4]u8) == ptr_size);
try testing.expect(sizeof(sizeof) == @sizeOf(@TypeOf(sizeof)));
try testing.expect(sizeof(void) == 1);
try testing.expect(sizeof(c_void) == 1);
}
pub const CIntLiteralRadix = enum { decimal, octal, hexadecimal };
fn PromoteIntLiteralReturnType(comptime SuffixType: type, comptime number: comptime_int, comptime radix: CIntLiteralRadix) type {
const signed_decimal = [_]type{ c_int, c_long, c_longlong };
const signed_oct_hex = [_]type{ c_int, c_uint, c_long, c_ulong, c_longlong, c_ulonglong };
const unsigned = [_]type{ c_uint, c_ulong, c_ulonglong };
const list: []const type = if (@typeInfo(SuffixType).Int.signedness == .unsigned)
&unsigned
else if (radix == .decimal)
&signed_decimal
else
&signed_oct_hex;
var pos = mem.indexOfScalar(type, list, SuffixType).?;
while (pos < list.len) : (pos += 1) {
if (number >= math.minInt(list[pos]) and number <= math.maxInt(list[pos])) {
return list[pos];
}
}
@compileError("Integer literal is too large");
}
/// Promote the type of an integer literal until it fits as C would.
pub fn promoteIntLiteral(
comptime SuffixType: type,
comptime number: comptime_int,
comptime radix: CIntLiteralRadix,
) PromoteIntLiteralReturnType(SuffixType, number, radix) {
return number;
}
test "promoteIntLiteral" {
const signed_hex = promoteIntLiteral(c_int, math.maxInt(c_int) + 1, .hexadecimal);
try testing.expectEqual(c_uint, @TypeOf(signed_hex));
if (math.maxInt(c_longlong) == math.maxInt(c_int)) return;
const signed_decimal = promoteIntLiteral(c_int, math.maxInt(c_int) + 1, .decimal);
const unsigned = promoteIntLiteral(c_uint, math.maxInt(c_uint) + 1, .hexadecimal);
if (math.maxInt(c_long) > math.maxInt(c_int)) {
try testing.expectEqual(c_long, @TypeOf(signed_decimal));
try testing.expectEqual(c_ulong, @TypeOf(unsigned));
} else {
try testing.expectEqual(c_longlong, @TypeOf(signed_decimal));
try testing.expectEqual(c_ulonglong, @TypeOf(unsigned));
}
}
/// Convert from clang __builtin_shufflevector index to Zig @shuffle index
/// clang requires __builtin_shufflevector index arguments to be integer constants.
/// negative values for `this_index` indicate "don't care" so we arbitrarily choose 0
/// clang enforces that `this_index` is less than the total number of vector elements
/// See https://ziglang.org/documentation/master/#shuffle
/// See https://clang.llvm.org/docs/LanguageExtensions.html#langext-builtin-shufflevector
pub fn shuffleVectorIndex(comptime this_index: c_int, comptime source_vector_len: usize) i32 {
if (this_index <= 0) return 0;
const positive_index = @intCast(usize, this_index);
if (positive_index < source_vector_len) return @intCast(i32, this_index);
const b_index = positive_index - source_vector_len;
return ~@intCast(i32, b_index);
}
test "shuffleVectorIndex" {
const vector_len: usize = 4;
try testing.expect(shuffleVectorIndex(-1, vector_len) == 0);
try testing.expect(shuffleVectorIndex(0, vector_len) == 0);
try testing.expect(shuffleVectorIndex(1, vector_len) == 1);
try testing.expect(shuffleVectorIndex(2, vector_len) == 2);
try testing.expect(shuffleVectorIndex(3, vector_len) == 3);
try testing.expect(shuffleVectorIndex(4, vector_len) == -1);
try testing.expect(shuffleVectorIndex(5, vector_len) == -2);
try testing.expect(shuffleVectorIndex(6, vector_len) == -3);
try testing.expect(shuffleVectorIndex(7, vector_len) == -4);
}
/// Constructs a [*c] pointer with the const and volatile annotations
/// from SelfType for pointing to a C flexible array of ElementType.
pub fn FlexibleArrayType(comptime SelfType: type, ElementType: type) type {
switch (@typeInfo(SelfType)) {
.Pointer => |ptr| {
return @Type(.{ .Pointer = .{
.size = .C,
.is_const = ptr.is_const,
.is_volatile = ptr.is_volatile,
.alignment = @alignOf(ElementType),
.child = ElementType,
.is_allowzero = true,
.sentinel = null,
} });
},
else => |info| @compileError("Invalid self type \"" ++ @tagName(info) ++ "\" for flexible array getter: " ++ @typeName(SelfType)),
}
}
test "Flexible Array Type" {
const Container = extern struct {
size: usize,
};
try testing.expectEqual(FlexibleArrayType(*Container, c_int), [*c]c_int);
try testing.expectEqual(FlexibleArrayType(*const Container, c_int), [*c]const c_int);
try testing.expectEqual(FlexibleArrayType(*volatile Container, c_int), [*c]volatile c_int);
try testing.expectEqual(FlexibleArrayType(*const volatile Container, c_int), [*c]const volatile c_int);
}

58
src/translate_c.zig
View File

@@ -12,7 +12,6 @@ const meta = std.meta;
const ast = @import("translate_c/ast.zig");
const Node = ast.Node;
const Tag = Node.Tag;
const c_builtins = std.c.builtins;
const CallingConvention = std.builtin.CallingConvention;
@@ -863,7 +862,7 @@ fn buildFlexibleArrayFn(
defer block_scope.deinit();
const intermediate_type_name = try block_scope.makeMangledName(c, "Intermediate");
const intermediate_type = try Tag.std_meta_flexible_array_type.create(c.arena, .{ .lhs = self_type, .rhs = u8_type });
const intermediate_type = try Tag.helpers_flexible_array_type.create(c.arena, .{ .lhs = self_type, .rhs = u8_type });
const intermediate_type_decl = try Tag.var_simple.create(c.arena, .{
.name = intermediate_type_name,
.init = intermediate_type,
@@ -872,7 +871,7 @@ fn buildFlexibleArrayFn(
const intermediate_type_ident = try Tag.identifier.create(c.arena, intermediate_type_name);
const return_type_name = try block_scope.makeMangledName(c, "ReturnType");
const return_type = try Tag.std_meta_flexible_array_type.create(c.arena, .{ .lhs = self_type, .rhs = element_type });
const return_type = try Tag.helpers_flexible_array_type.create(c.arena, .{ .lhs = self_type, .rhs = element_type });
const return_type_decl = try Tag.var_simple.create(c.arena, .{
.name = return_type_name,
.init = return_type,
@@ -1290,9 +1289,19 @@ fn transStmt(
return maybeSuppressResult(c, scope, result_used, shuffle_vec_node);
},
// When adding new cases here, see comment for maybeBlockify()
else => {
return fail(c, error.UnsupportedTranslation, stmt.getBeginLoc(), "TODO implement translation of stmt class {s}", .{@tagName(sc)});
},
.GCCAsmStmtClass,
.GotoStmtClass,
.IndirectGotoStmtClass,
.AttributedStmtClass,
.AddrLabelExprClass,
.AtomicExprClass,
.BlockExprClass,
.UserDefinedLiteralClass,
.BuiltinBitCastExprClass,
.DesignatedInitExprClass,
.LabelStmtClass,
=> return fail(c, error.UnsupportedTranslation, stmt.getBeginLoc(), "TODO implement translation of stmt class {s}", .{@tagName(sc)}),
else => return fail(c, error.UnsupportedTranslation, stmt.getBeginLoc(), "unsupported stmt class {s}", .{@tagName(sc)}),
}
}
@@ -1374,7 +1383,7 @@ fn makeShuffleMask(c: *Context, scope: *Scope, expr: *const clang.ShuffleVectorE
for (init_list) |*init, i| {
const index_expr = try transExprCoercing(c, scope, expr.getExpr(@intCast(c_uint, i + 2)), .used);
const converted_index = try Tag.std_meta_shuffle_vector_index.create(c.arena, .{ .lhs = index_expr, .rhs = vector_len });
const converted_index = try Tag.helpers_shuffle_vector_index.create(c.arena, .{ .lhs = index_expr, .rhs = vector_len });
init.* = converted_index;
}
@@ -1820,13 +1829,10 @@ fn transDeclStmtOne(
.Function => {
try visitFnDecl(c, @ptrCast(*const clang.FunctionDecl, decl));
},
else => |kind| return fail(
c,
error.UnsupportedTranslation,
decl.getLocation(),
"TODO implement translation of DeclStmt kind {s}",
.{@tagName(kind)},
),
else => {
const decl_name = try c.str(decl.getDeclKindName());
try warn(c, &c.global_scope.base, decl.getLocation(), "ignoring {s} declaration", .{decl_name});
},
}
}
@@ -1902,7 +1908,7 @@ fn transImplicitCastExpr(
const ne = try Tag.not_equal.create(c.arena, .{ .lhs = ptr_to_int, .rhs = Tag.zero_literal.init() });
return maybeSuppressResult(c, scope, result_used, ne);
},
.IntegralToBoolean => {
.IntegralToBoolean, .FloatingToBoolean => {
const sub_expr_node = try transExpr(c, scope, sub_expr, .used);
// The expression is already a boolean one, return it as-is
@@ -1924,14 +1930,14 @@ fn transImplicitCastExpr(
c,
error.UnsupportedTranslation,
@ptrCast(*const clang.Stmt, expr).getBeginLoc(),
"TODO implement translation of CastKind {s}",
"unsupported CastKind {s}",
.{@tagName(kind)},
),
}
}
fn isBuiltinDefined(name: []const u8) bool {
inline for (meta.declarations(c_builtins)) |decl| {
inline for (meta.declarations(std.zig.c_builtins)) |decl| {
if (std.mem.eql(u8, name, decl.name)) return true;
}
return false;
@@ -2358,8 +2364,10 @@ fn transCCast(
return Tag.float_to_int.create(c.arena, .{ .lhs = dst_node, .rhs = expr });
}
if (!cIsFloating(src_type) and cIsFloating(dst_type)) {
var rhs = expr;
if (qualTypeIsBoolean(src_type)) rhs = try Tag.bool_to_int.create(c.arena, expr);
// @intToFloat(dest_type, val)
return Tag.int_to_float.create(c.arena, .{ .lhs = dst_node, .rhs = expr });
return Tag.int_to_float.create(c.arena, .{ .lhs = dst_node, .rhs = rhs });
}
if (qualTypeIsBoolean(src_type) and !qualTypeIsBoolean(dst_type)) {
// @boolToInt returns either a comptime_int or a u1
@@ -2370,7 +2378,7 @@ fn transCCast(
}
if (cIsEnum(dst_type)) {
// import("std").meta.cast(dest_type, val)
return Tag.std_meta_cast.create(c.arena, .{ .lhs = dst_node, .rhs = expr });
return Tag.helpers_cast.create(c.arena, .{ .lhs = dst_node, .rhs = expr });
}
if (cIsEnum(src_type) and !cIsEnum(dst_type)) {
// @enumToInt(val)
@@ -4547,6 +4555,10 @@ fn transType(c: *Context, scope: *Scope, ty: *const clang.Type, source_loc: clan
.rhs = try transQualType(c, scope, element_qt, source_loc),
});
},
.ExtInt, .ExtVector => {
const type_name = c.str(ty.getTypeClassName());
return fail(c, error.UnsupportedType, source_loc, "TODO implement translation of type: '{s}'", .{type_name});
},
else => {
const type_name = c.str(ty.getTypeClassName());
return fail(c, error.UnsupportedType, source_loc, "unsupported type: '{s}'", .{type_name});
@@ -4982,7 +4994,7 @@ fn transMacroFnDefine(c: *Context, m: *MacroCtx) ParseError!void {
break :blk br.data.val;
} else expr;
const return_type = if (typeof_arg.castTag(.std_meta_cast) orelse typeof_arg.castTag(.std_mem_zeroinit)) |some|
const return_type = if (typeof_arg.castTag(.helpers_cast) orelse typeof_arg.castTag(.std_mem_zeroinit)) |some|
some.data.lhs
else if (typeof_arg.castTag(.std_mem_zeroes)) |some|
some.data
@@ -5095,7 +5107,7 @@ fn parseCNumLit(c: *Context, m: *MacroCtx) ParseError!Node {
if (guaranteed_to_fit) {
return Tag.as.create(c.arena, .{ .lhs = type_node, .rhs = literal_node });
} else {
return Tag.std_meta_promoteIntLiteral.create(c.arena, .{
return Tag.helpers_promoteIntLiteral.create(c.arena, .{
.type = type_node,
.value = literal_node,
.radix = try Tag.enum_literal.create(c.arena, radix),
@@ -5578,7 +5590,7 @@ fn parseCCastExpr(c: *Context, m: *MacroCtx, scope: *Scope) ParseError!Node {
return parseCPostfixExpr(c, m, scope, type_name);
}
const node_to_cast = try parseCCastExpr(c, m, scope);
return Tag.std_meta_cast.create(c.arena, .{ .lhs = type_name, .rhs = node_to_cast });
return Tag.helpers_cast.create(c.arena, .{ .lhs = type_name, .rhs = node_to_cast });
}
},
else => {},
@@ -5925,7 +5937,7 @@ fn parseCUnaryExpr(c: *Context, m: *MacroCtx, scope: *Scope) ParseError!Node {
break :blk inner;
} else try parseCUnaryExpr(c, m, scope);
return Tag.std_meta_sizeof.create(c.arena, operand);
return Tag.helpers_sizeof.create(c.arena, operand);
},
.Keyword_alignof => {
// TODO this won't work if using <stdalign.h>'s

87
src/translate_c/ast.zig
View File

@@ -74,7 +74,7 @@ pub const Node = extern union {
tuple,
container_init,
container_init_dot,
std_meta_cast,
helpers_cast,
/// _ = operand;
discard,
@@ -124,8 +124,8 @@ pub const Node = extern union {
std_math_Log2Int,
/// @intCast(lhs, rhs)
int_cast,
/// @import("std").meta.promoteIntLiteral(value, type, radix)
std_meta_promoteIntLiteral,
/// @import("std").zig.c_translation.promoteIntLiteral(value, type, radix)
helpers_promoteIntLiteral,
/// @import("std").meta.alignment(value)
std_meta_alignment,
/// @rem(lhs, rhs)
@@ -193,12 +193,12 @@ pub const Node = extern union {
array_type,
null_sentinel_array_type,
/// @import("std").meta.sizeof(operand)
std_meta_sizeof,
/// @import("std").meta.FlexibleArrayType(lhs, rhs)
std_meta_flexible_array_type,
/// @import("std").meta.shuffleVectorIndex(lhs, rhs)
std_meta_shuffle_vector_index,
/// @import("std").zig.c_translation.sizeof(operand)
helpers_sizeof,
/// @import("std").zig.c_translation.FlexibleArrayType(lhs, rhs)
helpers_flexible_array_type,
/// @import("std").zig.c_translation.shuffleVectorIndex(lhs, rhs)
helpers_shuffle_vector_index,
/// @import("std").meta.Vector(lhs, rhs)
std_meta_vector,
/// @import("std").mem.zeroes(operand)
@@ -272,7 +272,7 @@ pub const Node = extern union {
.if_not_break,
.switch_else,
.block_single,
.std_meta_sizeof,
.helpers_sizeof,
.std_meta_alignment,
.bool_to_int,
.sizeof,
@@ -332,13 +332,13 @@ pub const Node = extern union {
.align_cast,
.array_access,
.std_mem_zeroinit,
.std_meta_flexible_array_type,
.std_meta_shuffle_vector_index,
.helpers_flexible_array_type,
.helpers_shuffle_vector_index,
.std_meta_vector,
.ptr_cast,
.div_exact,
.offset_of,
.std_meta_cast,
.helpers_cast,
=> Payload.BinOp,
.integer_literal,
@@ -362,7 +362,7 @@ pub const Node = extern union {
.tuple => Payload.TupleInit,
.container_init => Payload.ContainerInit,
.container_init_dot => Payload.ContainerInitDot,
.std_meta_promoteIntLiteral => Payload.PromoteIntLiteral,
.helpers_promoteIntLiteral => Payload.PromoteIntLiteral,
.block => Payload.Block,
.c_pointer, .single_pointer => Payload.Pointer,
.array_type, .null_sentinel_array_type => Payload.Array,
@@ -868,7 +868,7 @@ fn renderNode(c: *Context, node: Node) Allocator.Error!NodeIndex {
// pub usingnamespace @import("std").c.builtins;
_ = try c.addToken(.keyword_pub, "pub");
const usingnamespace_token = try c.addToken(.keyword_usingnamespace, "usingnamespace");
const import_node = try renderStdImport(c, "c", "builtins");
const import_node = try renderStdImport(c, &.{ "zig", "c_builtins" });
_ = try c.addToken(.semicolon, ";");
return c.addNode(.{
@@ -882,52 +882,52 @@ fn renderNode(c: *Context, node: Node) Allocator.Error!NodeIndex {
},
.std_math_Log2Int => {
const payload = node.castTag(.std_math_Log2Int).?.data;
const import_node = try renderStdImport(c, "math", "Log2Int");
const import_node = try renderStdImport(c, &.{ "math", "Log2Int" });
return renderCall(c, import_node, &.{payload});
},
.std_meta_cast => {
const payload = node.castTag(.std_meta_cast).?.data;
const import_node = try renderStdImport(c, "meta", "cast");
.helpers_cast => {
const payload = node.castTag(.helpers_cast).?.data;
const import_node = try renderStdImport(c, &.{ "zig", "c_translation", "cast" });
return renderCall(c, import_node, &.{ payload.lhs, payload.rhs });
},
.std_meta_promoteIntLiteral => {
const payload = node.castTag(.std_meta_promoteIntLiteral).?.data;
const import_node = try renderStdImport(c, "meta", "promoteIntLiteral");
.helpers_promoteIntLiteral => {
const payload = node.castTag(.helpers_promoteIntLiteral).?.data;
const import_node = try renderStdImport(c, &.{ "zig", "c_translation", "promoteIntLiteral" });
return renderCall(c, import_node, &.{ payload.type, payload.value, payload.radix });
},
.std_meta_alignment => {
const payload = node.castTag(.std_meta_alignment).?.data;
const import_node = try renderStdImport(c, "meta", "alignment");
const import_node = try renderStdImport(c, &.{ "meta", "alignment" });
return renderCall(c, import_node, &.{payload});
},
.std_meta_sizeof => {
const payload = node.castTag(.std_meta_sizeof).?.data;
const import_node = try renderStdImport(c, "meta", "sizeof");
.helpers_sizeof => {
const payload = node.castTag(.helpers_sizeof).?.data;
const import_node = try renderStdImport(c, &.{ "zig", "c_translation", "sizeof" });
return renderCall(c, import_node, &.{payload});
},
.std_mem_zeroes => {
const payload = node.castTag(.std_mem_zeroes).?.data;
const import_node = try renderStdImport(c, "mem", "zeroes");
const import_node = try renderStdImport(c, &.{ "mem", "zeroes" });
return renderCall(c, import_node, &.{payload});
},
.std_mem_zeroinit => {
const payload = node.castTag(.std_mem_zeroinit).?.data;
const import_node = try renderStdImport(c, "mem", "zeroInit");
const import_node = try renderStdImport(c, &.{ "mem", "zeroInit" });
return renderCall(c, import_node, &.{ payload.lhs, payload.rhs });
},
.std_meta_flexible_array_type => {
const payload = node.castTag(.std_meta_flexible_array_type).?.data;
const import_node = try renderStdImport(c, "meta", "FlexibleArrayType");
.helpers_flexible_array_type => {
const payload = node.castTag(.helpers_flexible_array_type).?.data;
const import_node = try renderStdImport(c, &.{ "zig", "c_translation", "FlexibleArrayType" });
return renderCall(c, import_node, &.{ payload.lhs, payload.rhs });
},
.std_meta_shuffle_vector_index => {
const payload = node.castTag(.std_meta_shuffle_vector_index).?.data;
const import_node = try renderStdImport(c, "meta", "shuffleVectorIndex");
.helpers_shuffle_vector_index => {
const payload = node.castTag(.helpers_shuffle_vector_index).?.data;
const import_node = try renderStdImport(c, &.{ "zig", "c_translation", "shuffleVectorIndex" });
return renderCall(c, import_node, &.{ payload.lhs, payload.rhs });
},
.std_meta_vector => {
const payload = node.castTag(.std_meta_vector).?.data;
const import_node = try renderStdImport(c, "meta", "Vector");
const import_node = try renderStdImport(c, &.{ "meta", "Vector" });
return renderCall(c, import_node, &.{ payload.lhs, payload.rhs });
},
.call => {
@@ -2269,13 +2269,13 @@ fn renderNodeGrouped(c: *Context, node: Node) !NodeIndex {
.alignof,
.typeof,
.typeinfo,
.std_meta_sizeof,
.std_meta_alignment,
.std_meta_cast,
.std_meta_promoteIntLiteral,
.std_meta_vector,
.std_meta_shuffle_vector_index,
.std_meta_flexible_array_type,
.helpers_sizeof,
.helpers_cast,
.helpers_promoteIntLiteral,
.helpers_shuffle_vector_index,
.helpers_flexible_array_type,
.std_mem_zeroinit,
.integer_literal,
.float_literal,
@@ -2442,7 +2442,7 @@ fn renderBinOp(c: *Context, node: Node, tag: std.zig.ast.Node.Tag, tok_tag: Toke
});
}
fn renderStdImport(c: *Context, first: []const u8, second: []const u8) !NodeIndex {
fn renderStdImport(c: *Context, parts: []const []const u8) !NodeIndex {
const import_tok = try c.addToken(.builtin, "@import");
_ = try c.addToken(.l_paren, "(");
const std_tok = try c.addToken(.string_literal, "\"std\"");
@@ -2463,8 +2463,9 @@ fn renderStdImport(c: *Context, first: []const u8, second: []const u8) !NodeInde
});
var access_chain = import_node;
access_chain = try renderFieldAccess(c, access_chain, first);
access_chain = try renderFieldAccess(c, access_chain, second);
for (parts) |part| {
access_chain = try renderFieldAccess(c, access_chain, part);
}
return access_chain;
}

66
test/translate_c.zig
View File

@@ -133,7 +133,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ const A = @enumToInt(enum_Foo.A);
\\ const B = @enumToInt(enum_Foo.B);
\\ const C = @enumToInt(enum_Foo.C);
\\ var a: enum_Foo = @import("std").meta.cast(enum_Foo, B);
\\ var a: enum_Foo = @import("std").zig.c_translation.cast(enum_Foo, B);
\\ {
\\ const enum_Foo = extern enum(
++ default_enum_type ++
@@ -146,7 +146,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ const A_2 = @enumToInt(enum_Foo.A);
\\ const B_3 = @enumToInt(enum_Foo.B);
\\ const C_4 = @enumToInt(enum_Foo.C);
\\ var a_5: enum_Foo = @import("std").meta.cast(enum_Foo, B_3);
\\ var a_5: enum_Foo = @import("std").zig.c_translation.cast(enum_Foo, B_3);
\\ }
\\}
});
@@ -242,7 +242,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\#define MEM_PHYSICAL_TO_K0(x) (void*)((uint32_t)(x) + SYS_BASE_CACHED)
, &[_][]const u8{
\\pub inline fn MEM_PHYSICAL_TO_K0(x: anytype) ?*c_void {
\\ return @import("std").meta.cast(?*c_void, @import("std").meta.cast(u32, x) + SYS_BASE_CACHED);
\\ return @import("std").zig.c_translation.cast(?*c_void, @import("std").zig.c_translation.cast(u32, x) + SYS_BASE_CACHED);
\\}
});
@@ -282,8 +282,8 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
,
\\pub const VALUE = ((((@as(c_int, 1) + (@as(c_int, 2) * @as(c_int, 3))) + (@as(c_int, 4) * @as(c_int, 5))) + @as(c_int, 6)) << @as(c_int, 7)) | @boolToInt(@as(c_int, 8) == @as(c_int, 9));
,
\\pub inline fn _AL_READ3BYTES(p: anytype) @TypeOf((@import("std").meta.cast([*c]u8, p).* | ((@import("std").meta.cast([*c]u8, p) + @as(c_int, 1)).* << @as(c_int, 8))) | ((@import("std").meta.cast([*c]u8, p) + @as(c_int, 2)).* << @as(c_int, 16))) {
\\ return (@import("std").meta.cast([*c]u8, p).* | ((@import("std").meta.cast([*c]u8, p) + @as(c_int, 1)).* << @as(c_int, 8))) | ((@import("std").meta.cast([*c]u8, p) + @as(c_int, 2)).* << @as(c_int, 16));
\\pub inline fn _AL_READ3BYTES(p: anytype) @TypeOf((@import("std").zig.c_translation.cast([*c]u8, p).* | ((@import("std").zig.c_translation.cast([*c]u8, p) + @as(c_int, 1)).* << @as(c_int, 8))) | ((@import("std").zig.c_translation.cast([*c]u8, p) + @as(c_int, 2)).* << @as(c_int, 16))) {
\\ return (@import("std").zig.c_translation.cast([*c]u8, p).* | ((@import("std").zig.c_translation.cast([*c]u8, p) + @as(c_int, 1)).* << @as(c_int, 8))) | ((@import("std").zig.c_translation.cast([*c]u8, p) + @as(c_int, 2)).* << @as(c_int, 16));
\\}
});
@@ -438,17 +438,17 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
, &[_][]const u8{
\\pub const struct_foo = extern struct {
\\ x: c_int align(4),
\\ pub fn y(self: anytype) @import("std").meta.FlexibleArrayType(@TypeOf(self), c_int) {
\\ const Intermediate = @import("std").meta.FlexibleArrayType(@TypeOf(self), u8);
\\ const ReturnType = @import("std").meta.FlexibleArrayType(@TypeOf(self), c_int);
\\ pub fn y(self: anytype) @import("std").zig.c_translation.FlexibleArrayType(@TypeOf(self), c_int) {
\\ const Intermediate = @import("std").zig.c_translation.FlexibleArrayType(@TypeOf(self), u8);
\\ const ReturnType = @import("std").zig.c_translation.FlexibleArrayType(@TypeOf(self), c_int);
\\ return @ptrCast(ReturnType, @alignCast(@alignOf(c_int), @ptrCast(Intermediate, self) + 4));
\\ }
\\};
\\pub const struct_bar = extern struct {
\\ x: c_int align(4),
\\ pub fn y(self: anytype) @import("std").meta.FlexibleArrayType(@TypeOf(self), c_int) {
\\ const Intermediate = @import("std").meta.FlexibleArrayType(@TypeOf(self), u8);
\\ const ReturnType = @import("std").meta.FlexibleArrayType(@TypeOf(self), c_int);
\\ pub fn y(self: anytype) @import("std").zig.c_translation.FlexibleArrayType(@TypeOf(self), c_int) {
\\ const Intermediate = @import("std").zig.c_translation.FlexibleArrayType(@TypeOf(self), u8);
\\ const ReturnType = @import("std").zig.c_translation.FlexibleArrayType(@TypeOf(self), c_int);
\\ return @ptrCast(ReturnType, @alignCast(@alignOf(c_int), @ptrCast(Intermediate, self) + 4));
\\ }
\\};
@@ -583,7 +583,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
cases.add("#define hex literal with capital X",
\\#define VAL 0XF00D
, &[_][]const u8{
\\pub const VAL = @import("std").meta.promoteIntLiteral(c_int, 0xF00D, .hexadecimal);
\\pub const VAL = @import("std").zig.c_translation.promoteIntLiteral(c_int, 0xF00D, .hexadecimal);
});
cases.add("anonymous struct & unions",
@@ -1738,7 +1738,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\pub const e = @enumToInt(enum_unnamed_1.e);
\\pub const f = @enumToInt(enum_unnamed_1.f);
\\pub const g = @enumToInt(enum_unnamed_1.g);
\\pub export var h: enum_unnamed_1 = @import("std").meta.cast(enum_unnamed_1, e);
\\pub export var h: enum_unnamed_1 = @import("std").zig.c_translation.cast(enum_unnamed_1, e);
\\const enum_unnamed_2 = extern enum(
++ default_enum_type ++
\\) {
@@ -1882,7 +1882,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\typedef struct { int dummy; } NRF_GPIO_Type;
\\#define NRF_GPIO ((NRF_GPIO_Type *) NRF_GPIO_BASE)
, &[_][]const u8{
\\pub const NRF_GPIO = @import("std").meta.cast([*c]NRF_GPIO_Type, NRF_GPIO_BASE);
\\pub const NRF_GPIO = @import("std").zig.c_translation.cast([*c]NRF_GPIO_Type, NRF_GPIO_BASE);
});
cases.add("basic macro function",
@@ -2379,7 +2379,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\ var a = arg_a;
\\ var b = arg_b;
\\ var c = arg_c;
\\ var d: enum_Foo = @import("std").meta.cast(enum_Foo, FooA);
\\ var d: enum_Foo = @import("std").zig.c_translation.cast(enum_Foo, FooA);
\\ var e: c_int = @boolToInt((a != 0) and (b != 0));
\\ var f: c_int = @boolToInt((b != 0) and (c != null));
\\ var g: c_int = @boolToInt((a != 0) and (c != null));
@@ -3182,13 +3182,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\#define BAR (void*) a
\\#define BAZ (uint32_t)(2)
, &[_][]const u8{
\\pub inline fn FOO(bar: anytype) @TypeOf(baz(@import("std").meta.cast(?*c_void, baz))) {
\\ return baz(@import("std").meta.cast(?*c_void, baz));
\\pub inline fn FOO(bar: anytype) @TypeOf(baz(@import("std").zig.c_translation.cast(?*c_void, baz))) {
\\ return baz(@import("std").zig.c_translation.cast(?*c_void, baz));
\\}
,
\\pub const BAR = @import("std").meta.cast(?*c_void, a);
\\pub const BAR = @import("std").zig.c_translation.cast(?*c_void, a);
,
\\pub const BAZ = @import("std").meta.cast(u32, @as(c_int, 2));
\\pub const BAZ = @import("std").zig.c_translation.cast(u32, @as(c_int, 2));
});
cases.add("macro with cast to unsigned short, long, and long long",
@@ -3196,9 +3196,9 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\#define CURLAUTH_BASIC ((unsigned long) 1)
\\#define CURLAUTH_BASIC_BUT_ULONGLONG ((unsigned long long) 1)
, &[_][]const u8{
\\pub const CURLAUTH_BASIC_BUT_USHORT = @import("std").meta.cast(c_ushort, @as(c_int, 1));
\\pub const CURLAUTH_BASIC = @import("std").meta.cast(c_ulong, @as(c_int, 1));
\\pub const CURLAUTH_BASIC_BUT_ULONGLONG = @import("std").meta.cast(c_ulonglong, @as(c_int, 1));
\\pub const CURLAUTH_BASIC_BUT_USHORT = @import("std").zig.c_translation.cast(c_ushort, @as(c_int, 1));
\\pub const CURLAUTH_BASIC = @import("std").zig.c_translation.cast(c_ulong, @as(c_int, 1));
\\pub const CURLAUTH_BASIC_BUT_ULONGLONG = @import("std").zig.c_translation.cast(c_ulonglong, @as(c_int, 1));
});
cases.add("macro conditional operator",
@@ -3413,8 +3413,8 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\#define DefaultScreen(dpy) (((_XPrivDisplay)(dpy))->default_screen)
\\
, &[_][]const u8{
\\pub inline fn DefaultScreen(dpy: anytype) @TypeOf(@import("std").meta.cast(_XPrivDisplay, dpy).*.default_screen) {
\\ return @import("std").meta.cast(_XPrivDisplay, dpy).*.default_screen;
\\pub inline fn DefaultScreen(dpy: anytype) @TypeOf(@import("std").zig.c_translation.cast(_XPrivDisplay, dpy).*.default_screen) {
\\ return @import("std").zig.c_translation.cast(_XPrivDisplay, dpy).*.default_screen;
\\}
});
@@ -3422,9 +3422,9 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\#define NULL ((void*)0)
\\#define FOO ((int)0x8000)
, &[_][]const u8{
\\pub const NULL = @import("std").meta.cast(?*c_void, @as(c_int, 0));
\\pub const NULL = @import("std").zig.c_translation.cast(?*c_void, @as(c_int, 0));
,
\\pub const FOO = @import("std").meta.cast(c_int, @import("std").meta.promoteIntLiteral(c_int, 0x8000, .hexadecimal));
\\pub const FOO = @import("std").zig.c_translation.cast(c_int, @import("std").zig.c_translation.promoteIntLiteral(c_int, 0x8000, .hexadecimal));
});
if (std.Target.current.abi == .msvc) {
@@ -3503,11 +3503,11 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\pub const GUARANTEED_TO_FIT_1 = @as(c_int, 1024);
\\pub const GUARANTEED_TO_FIT_2 = @as(c_long, 10241024);
\\pub const GUARANTEED_TO_FIT_3 = @as(c_ulong, 20482048);
\\pub const MAY_NEED_PROMOTION_1 = @import("std").meta.promoteIntLiteral(c_int, 10241024, .decimal);
\\pub const MAY_NEED_PROMOTION_2 = @import("std").meta.promoteIntLiteral(c_long, 307230723072, .decimal);
\\pub const MAY_NEED_PROMOTION_3 = @import("std").meta.promoteIntLiteral(c_ulong, 819281928192, .decimal);
\\pub const MAY_NEED_PROMOTION_HEX = @import("std").meta.promoteIntLiteral(c_int, 0x80000000, .hexadecimal);
\\pub const MAY_NEED_PROMOTION_OCT = @import("std").meta.promoteIntLiteral(c_int, 0o20000000000, .octal);
\\pub const MAY_NEED_PROMOTION_1 = @import("std").zig.c_translation.promoteIntLiteral(c_int, 10241024, .decimal);
\\pub const MAY_NEED_PROMOTION_2 = @import("std").zig.c_translation.promoteIntLiteral(c_long, 307230723072, .decimal);
\\pub const MAY_NEED_PROMOTION_3 = @import("std").zig.c_translation.promoteIntLiteral(c_ulong, 819281928192, .decimal);
\\pub const MAY_NEED_PROMOTION_HEX = @import("std").zig.c_translation.promoteIntLiteral(c_int, 0x80000000, .hexadecimal);
\\pub const MAY_NEED_PROMOTION_OCT = @import("std").zig.c_translation.promoteIntLiteral(c_int, 0o20000000000, .octal);
});
// See __builtin_alloca_with_align comment in std.c.builtins
@@ -3642,7 +3642,7 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\typedef long long LONG_PTR;
\\#define INVALID_HANDLE_VALUE ((void *)(LONG_PTR)-1)
, &[_][]const u8{
\\pub const MAP_FAILED = @import("std").meta.cast(?*c_void, -@as(c_int, 1));
\\pub const INVALID_HANDLE_VALUE = @import("std").meta.cast(?*c_void, @import("std").meta.cast(LONG_PTR, -@as(c_int, 1)));
\\pub const MAP_FAILED = @import("std").zig.c_translation.cast(?*c_void, -@as(c_int, 1));
\\pub const INVALID_HANDLE_VALUE = @import("std").zig.c_translation.cast(?*c_void, @import("std").zig.c_translation.cast(LONG_PTR, -@as(c_int, 1)));
});
}