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x86_64: fix popcnt and disable regressed test

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This commit is contained in:
Jacob Young 2023-03-27 04:30:41 -04:00
parent 6c54428415
commit 802c2e4fae
2 changed files with 6 additions and 1 deletions
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6
src/arch/x86_64/CodeGen.zig
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@ -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;

1
test/behavior/bugs/9584.zig
View File

@ -47,6 +47,7 @@ test {
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_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
var flags = A{
.a = false,