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Add inline assembly support for m68k

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This commit is contained in:
Ian Douglas Scott 2023-04-05 18:42:36 -07:00
parent 5ca6e98f13
commit 2ac8dee44f
7 changed files with 220 additions and 1 deletions
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10
compiler/rustc_codegen_llvm/src/asm.rs
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@ -244,6 +244,9 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
InlineAsmArch::Msp430 => {
constraints.push("~{sr}".to_string());
}
InlineAsmArch::M68k => {
constraints.push("~{ccr}".to_string());
}
}
}
if !options.contains(InlineAsmOptions::NOMEM) {
@ -671,6 +674,9 @@ fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'_>>) ->
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => "r",
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => "f",
InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => "r",
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => "r",
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => "a",
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_data) => "d",
InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => {
bug!("LLVM backend does not support SPIR-V")
}
@ -768,6 +774,7 @@ fn modifier_to_llvm(
InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => {
bug!("LLVM backend does not support SPIR-V")
}
InlineAsmRegClass::M68k(_) => None,
InlineAsmRegClass::Err => unreachable!(),
}
}
@ -839,6 +846,9 @@ fn dummy_output_type<'ll>(cx: &CodegenCx<'ll, '_>, reg: InlineAsmRegClass) -> &'
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => cx.type_i32(),
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => cx.type_f64(),
InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => cx.type_i16(),
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => cx.type_i32(),
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => cx.type_i32(),
InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_data) => cx.type_i32(),
InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => {
bug!("LLVM backend does not support SPIR-V")
}