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x64: fix signed truncate

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This commit is contained in:
Jakub Konka 2022-02-16 15:24:04 +01:00
parent 1b7ec44924
commit d3edf298d1
1 changed files with 1 additions and 2 deletions
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3
src/arch/x86_64/CodeGen.zig
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@ -966,7 +966,7 @@ fn airTrunc(self: *Self, inst: Air.Inst.Index) !void {
const reg: Register = blk: {
if (operand.isRegister()) {
if (self.reuseOperand(inst, ty_op.operand, 0, operand)) {
break :blk operand.register;
break :blk operand.register.to64();
}
}
const mcv = try self.copyToNewRegister(inst, src_ty, operand);
@ -2300,7 +2300,6 @@ fn genBinMathOp(self: *Self, inst: Air.Inst.Index, op_lhs: Air.Inst.Ref, op_rhs:
const mcvs = try self.mcvsForBinMathOp(inst, op_lhs, op_rhs);
const dst_mcv = mcvs.dst;
const src_mcv = mcvs.src;
log.warn("dst_mcv = {}, src_mcv = {}", .{ dst_mcv, src_mcv });
const tag = self.air.instructions.items(.tag)[inst];
switch (tag) {
.add, .addwrap => try self.genBinMathOpMir(.add, dst_ty, dst_mcv, src_mcv),