diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86_64/CodeGen.zig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig index a3615611ba..5f39bc586a 100644 --- a/src/arch/x86_64/CodeGen.zig +++ b/src/arch/x86_64/CodeGen.zig @@ -3095,7 +3095,8 @@ fn airPopcount(self: *Self, inst: Air.Inst.Index) !void { }; defer if (mat_src_lock) |lock| self.register_manager.unlockReg(lock); - const dst_mcv: MCValue = if (self.reuseOperand(inst, ty_op.operand, 0, src_mcv)) + const dst_mcv: MCValue = + if (src_mcv.isRegister() and self.reuseOperand(inst, ty_op.operand, 0, src_mcv)) src_mcv else .{ .register = try self.register_manager.allocReg(inst, gp) }; @@ -5478,6 +5479,9 @@ fn airCmp(self: *Self, inst: Air.Inst.Index, op: math.CompareOperator) !void { } const ty = self.air.typeOf(bin_op.lhs); + const abi_size = ty.abiSize(self.target.*); + if (abi_size > 8) return self.fail("TODO implement cmp for large values", .{}); + const signedness: std.builtin.Signedness = blk: { // For non-int types, we treat the values as unsigned if (ty.zigTypeTag() != .Int) break :blk .unsigned; |