authorgravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-09-22 04:56:46+02:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-09-22 04:56:46+02:00
log9694c83b954d1bd4a3f224ef69d75639e6da56c7
tree23a1255641ca484c302e1d53a64d20b491a45b90
parentd07b67a55cba683c7adb73f5e2f7b1bec803a361
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

Revert "frontend: another packedStructFieldPtrInfo fix"

This reverts commit 3ab845e028f464666856e4eaaeff2e6ab1b3da5d.

2 files changed, 11 insertions(+), 4 deletions(-)

src/Type.zig+4-1
......@@ -3545,7 +3545,10 @@ pub fn packedStructFieldPtrInfo(struct_ty: Type, parent_ptr_ty: Type, field_idx:
35453545 parent_ptr_info.packed_offset.host_size,
35463546 parent_ptr_info.packed_offset.bit_offset + bit_offset,
35473547 } else .{
3548 @intCast(struct_ty.abiSize(zcu)),
3548 switch (zcu.comp.getZigBackend()) {
3549 else => (running_bits + 7) / 8,
3550 .stage2_x86_64 => @intCast(struct_ty.abiSize(zcu)),
3551 },
35493552 bit_offset,
35503553 };
35513554
test/behavior/union.zig+7-3
......@@ -1564,9 +1564,13 @@ test "packed union field pointer has correct alignment" {
15641564 const bp = &b.u.x;
15651565 const cp = &c.u.x;
15661566
1567 comptime assert(@TypeOf(ap) == *align(4:2:@sizeOf(S)) u20);
1568 comptime assert(@TypeOf(bp) == *align(1:2:@sizeOf(S)) u20);
1569 comptime assert(@TypeOf(cp) == *align(64:2:@sizeOf(S)) u20);
1567 const host_size = switch (builtin.zig_backend) {
1568 else => comptime std.math.divCeil(comptime_int, @bitSizeOf(S), 8) catch unreachable,
1569 .stage2_x86_64 => @sizeOf(S),
1570 };
1571 comptime assert(@TypeOf(ap) == *align(4:2:host_size) u20);
1572 comptime assert(@TypeOf(bp) == *align(1:2:host_size) u20);
1573 comptime assert(@TypeOf(cp) == *align(64:2:host_size) u20);
15701574
15711575 a.u = .{ .x = 123 };
15721576 b.u = .{ .x = 456 };