authorgravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2024-10-15 20:34:56+02:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2024-10-20 09:21:14+02:00
log40104f2145c3b7e2725604c0c777646a5fb621aa
tree02e83d43567901dde3871e0dac534b4f85ed75c4
parent7b8fc18c666ba6952ad1571fbed4cc48e81f647d
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

compiler: Disallow function alignment for nvptx and spirv.

2 files changed, 15 insertions(+), 1 deletions(-)

src/target.zig+8-1
......@@ -487,7 +487,14 @@ pub fn minFunctionAlignment(target: std.Target) Alignment {
487487
488488pub fn supportsFunctionAlignment(target: std.Target) bool {
489489 return switch (target.cpu.arch) {
490 .wasm32, .wasm64 => false,
490 .nvptx,
491 .nvptx64,
492 .spirv,
493 .spirv32,
494 .spirv64,
495 .wasm32,
496 .wasm64,
497 => false,
491498 else => true,
492499 };
493500}
test/cases/compile_errors/function_alignment_on_unsupported_target.zig created+7
......@@ -0,0 +1,7 @@
1export fn entry() align(0) void {}
2
3// error
4// backend=stage2
5// target=nvptx-cuda,nvptx64-cuda,spirv-vulkan,spirv32-opencl,spirv64-opencl,wasm32-freestanding,wasm64-freestanding
6//
7// :1:25: error: target does not support function alignment