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Support clobber_abi and vector/access registers (clobber-only) in s390x inline assembly

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This commit is contained in:
Taiki Endo 2024-09-21 01:51:26 +09:00
parent 1a5a2240bc
commit fa125e2be6
7 changed files with 200 additions and 12 deletions
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8
compiler/rustc_codegen_gcc/src/asm.rs
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@ -682,6 +682,11 @@ fn reg_to_gcc(reg: InlineAsmRegOrRegClass) -> ConstraintOrRegister {
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => "r",
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg_addr) => "a",
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => "f",
InlineAsmRegClass::S390x(
S390xInlineAsmRegClass::vreg | S390xInlineAsmRegClass::areg,
) => {
unreachable!("clobber-only")
}
InlineAsmRegClass::Err => unreachable!(),
},
};
@ -757,6 +762,9 @@ fn dummy_output_type<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, reg: InlineAsmRegCl
S390xInlineAsmRegClass::reg | S390xInlineAsmRegClass::reg_addr,
) => cx.type_i32(),
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => cx.type_f64(),
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::vreg | S390xInlineAsmRegClass::areg) => {
unreachable!("clobber-only")
}
InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => cx.type_i16(),
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => cx.type_i32(),
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => cx.type_i32(),