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| author | Jacob Lifshay <programmerjake@gmail.com> | 2021-08-25 21:45:37 -0700 |
|---|---|---|
| committer | Jacob Lifshay <programmerjake@gmail.com> | 2021-08-25 22:08:27 -0700 |
| commit | 5802f60355b8b9a1eaf0c0fc193de3b9c48853df (patch) | |
| tree | f84b7151d6d575c4dc005b0cc9b618d7a5b88a9c /compiler/rustc_codegen_llvm/src/asm.rs | |
| parent | 0afc20860eb98a29d9bbeea80f2acc5be38c6bf3 (diff) | |
| download | rust-5802f60355b8b9a1eaf0c0fc193de3b9c48853df.tar.gz rust-5802f60355b8b9a1eaf0c0fc193de3b9c48853df.zip | |
add support for clobbering xer, cr, and cr[0-7] for asm! on OpenPower/PowerPC
Fixes #88315
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/asm.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/asm.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 4387f5301a5..527ad1c7b0b 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -615,6 +615,10 @@ fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'tcx>>) InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg) => "r", InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => "b", InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::freg) => "f", + InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::cr) + | InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::xer) => { + unreachable!("clobber-only") + } InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg) => "r", InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg) => "f", InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::vreg) => { @@ -751,6 +755,10 @@ fn dummy_output_type(cx: &CodegenCx<'ll, 'tcx>, reg: InlineAsmRegClass) -> &'ll InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg) => cx.type_i32(), InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => cx.type_i32(), InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::freg) => cx.type_f64(), + InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::cr) + | InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::xer) => { + unreachable!("clobber-only") + } InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg) => cx.type_i32(), InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg) => cx.type_f32(), InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::vreg) => { |