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x86_64: rewrite vector @truncate

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This commit is contained in:
Jacob Young 2025-02-03 01:10:34 -05:00
parent c58e60a042
commit 39119088f9
3 changed files with 6457 additions and 192 deletions
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6
src/Sema.zig
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@ -23751,7 +23751,8 @@ fn zirTruncate(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Ai
@tagName(dest_info.signedness), operand_ty.fmt(pt), @tagName(dest_info.signedness), operand_ty.fmt(pt),
}); });
} }
if (operand_info.bits < dest_info.bits) { switch (std.math.order(dest_info.bits, operand_info.bits)) {
.gt => {
const msg = msg: { const msg = msg: {
const msg = try sema.errMsg( const msg = try sema.errMsg(
src, src,
@ -23768,6 +23769,9 @@ fn zirTruncate(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Ai
break :msg msg; break :msg msg;
}; };
return sema.failWithOwnedErrorMsg(block, msg); return sema.failWithOwnedErrorMsg(block, msg);
},
.eq => return operand,
.lt => {},
} }
} }

5266
src/arch/x86_64/CodeGen.zig
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1345
test/behavior/x86_64/math.zig
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