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stage2: lower u128, and refactor some bits in x64

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This commit is contained in:
Jakub Konka
2022-04-15 13:46:51 +02:00
committed by Andrew Kelley
parent 3723eb7f31
commit 52c8ac1a84
2 changed files with 22 additions and 21 deletions
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18
src/codegen.zig
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@@ -426,22 +426,20 @@ pub fn generateSymbol(
},
},
.Int => {
// TODO populate .debug_info for the integer
const info = typed_value.ty.intInfo(bin_file.options.target);
const info = typed_value.ty.intInfo(target);
if (info.bits <= 8) {
const x = @intCast(u8, typed_value.val.toUnsignedInt(target));
try code.append(x);
return Result{ .appended = {} };
}
if (info.bits > 64) {
return Result{
.fail = try ErrorMsg.create(
bin_file.allocator,
src_loc,
"TODO implement generateSymbol for big ints ('{}')",
.{typed_value.ty.fmtDebug()},
),
};
var bigint_buffer: Value.BigIntSpace = undefined;
const bigint = typed_value.val.toBigInt(&bigint_buffer, target);
const abi_size = try math.cast(usize, typed_value.ty.abiSize(target));
const start = code.items.len;
try code.resize(start + abi_size);
bigint.writeTwosComplement(code.items[start..][0..abi_size], info.bits, abi_size, endian);
return Result{ .appended = {} };
}
switch (info.signedness) {
.unsigned => {