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x86_64: implement float arithmetic builtins

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This commit is contained in:
Jacob Young
2023-09-30 22:11:51 -04:00
parent 1eb023908d
commit fbe5bf469e
3 changed files with 301 additions and 187 deletions
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107
test/behavior/floatop.zig
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@@ -19,6 +19,99 @@ fn epsForType(comptime T: type) T {
};
}
test "add f16" {
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
try testAdd(f16);
try comptime testAdd(f16);
}
test "add f32/f64" {
try testAdd(f32);
try comptime testAdd(f32);
try testAdd(f64);
try comptime testAdd(f64);
}
test "add f80/f128/c_longdouble" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
try testAdd(f80);
try comptime testAdd(f80);
try testAdd(f128);
try comptime testAdd(f128);
try testAdd(c_longdouble);
try comptime testAdd(c_longdouble);
}
fn testAdd(comptime T: type) !void {
var one_point_two_five: T = 1.25;
var two_point_seven_five: T = 2.75;
try expect(one_point_two_five + two_point_seven_five == 4);
}
test "sub f16" {
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
try testSub(f16);
try comptime testSub(f16);
}
test "sub f32/f64" {
try testSub(f32);
try comptime testSub(f32);
try testSub(f64);
try comptime testSub(f64);
}
test "sub f80/f128/c_longdouble" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
try testSub(f80);
try comptime testSub(f80);
try testSub(f128);
try comptime testSub(f128);
try testSub(c_longdouble);
try comptime testSub(c_longdouble);
}
fn testSub(comptime T: type) !void {
var one_point_two_five: T = 1.25;
var two_point_seven_five: T = 2.75;
try expect(one_point_two_five - two_point_seven_five == -1.5);
}
test "mul f16" {
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
try testMul(f16);
try comptime testMul(f16);
}
test "mul f32/f64" {
try testMul(f32);
try comptime testMul(f32);
try testMul(f64);
try comptime testMul(f64);
}
test "mul f80/f128/c_longdouble" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
try testMul(f80);
try comptime testMul(f80);
try testMul(f128);
try comptime testMul(f128);
try testMul(c_longdouble);
try comptime testMul(c_longdouble);
}
fn testMul(comptime T: type) !void {
var one_point_two_five: T = 1.25;
var two_point_seven_five: T = 2.75;
try expect(one_point_two_five * two_point_seven_five == 3.4375);
}
test "cmp f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
@@ -216,7 +309,7 @@ test "more @sqrt f16 tests" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
// TODO these are not all passing at comptime
try expect(@sqrt(@as(f16, 0.0)) == 0.0);
@@ -269,7 +362,6 @@ test "@sin f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testSin(f16);
try comptime testSin(f16);
@@ -339,7 +431,6 @@ test "@cos f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testCos(f16);
try comptime testCos(f16);
@@ -409,7 +500,6 @@ test "@tan f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testTan(f16);
try comptime testTan(f16);
@@ -479,7 +569,6 @@ test "@exp f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testExp(f16);
try comptime testExp(f16);
@@ -549,7 +638,6 @@ test "@exp2 f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testExp2(f16);
try comptime testExp2(f16);
@@ -619,7 +707,6 @@ test "@log f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testLog(f16);
try comptime testLog(f16);
@@ -687,7 +774,6 @@ test "@log2 f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testLog2(f16);
try comptime testLog2(f16);
@@ -761,7 +847,6 @@ test "@log10 f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
try testLog10(f16);
try comptime testLog10(f16);
@@ -829,7 +914,7 @@ test "@abs f16" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
try testFabs(f16);
try comptime testFabs(f16);
@@ -1186,7 +1271,7 @@ test "neg f16" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
if (no_x86_64_hardware_f16_support) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64 and builtin.target.ofmt != .elf) return error.SkipZigTest;
if (builtin.os.tag == .freebsd) {
// TODO file issue to track this failure