bjoernager/rust
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Make s390x non-clobber-only vector register support unstable

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This commit is contained in:
Taiki Endo 2024-11-24 21:42:22 +09:00
parent 2c8f6de1ba
commit c024d8ccdf
21 changed files with 822 additions and 145 deletions
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4
compiler/rustc_codegen_llvm/src/asm.rs
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@ -45,7 +45,7 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
match *op {
InlineAsmOperandRef::Out { reg, late, place } => {
let is_target_supported = |reg_class: InlineAsmRegClass| {
for &(_, feature) in reg_class.supported_types(asm_arch) {
for &(_, feature) in reg_class.supported_types(asm_arch, true) {
if let Some(feature) = feature {
if self
.tcx
@ -85,7 +85,7 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
}
continue;
} else if !is_target_supported(reg.reg_class())
|| reg.reg_class().is_clobber_only(asm_arch)
|| reg.reg_class().is_clobber_only(asm_arch, true)
{
// We turn discarded outputs into clobber constraints
// if the target feature needed by the register class is