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| author | Mara Bos <m-ou.se@m-ou.se> | 2021-09-01 09:23:26 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-01 09:23:26 +0200 |
| commit | 494c563f3bd77501cad28732d9dac64d541ca84a (patch) | |
| tree | 9c69a4e4293ed61151ca960dda462b8e1a1f20ea /compiler/rustc_codegen_llvm/src/asm.rs | |
| parent | 8fd53e30852fb0b241ed91e4effa549c88941778 (diff) | |
| parent | 5802f60355b8b9a1eaf0c0fc193de3b9c48853df (diff) | |
| download | rust-494c563f3bd77501cad28732d9dac64d541ca84a.tar.gz rust-494c563f3bd77501cad28732d9dac64d541ca84a.zip | |
Rollup merge of #88350 - programmerjake:add-ppc-cr-xer-clobbers, r=Amanieu
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 1689fdd4f2e..e0d312727a5 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -616,6 +616,10 @@ 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) => { @@ -755,6 +759,10 @@ 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) => { |