From 19809ed76d97104fced81b22f51d34475228b305 Mon Sep 17 00:00:00 2001 From: "William D. Jones" Date: Thu, 20 Jan 2022 17:44:50 -0500 Subject: Add preliminary support for inline assembly for msp430. --- compiler/rustc_codegen_llvm/src/asm.rs | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'compiler/rustc_codegen_llvm/src') diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 8b696dc6fba..e22bec24951 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -232,6 +232,9 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { InlineAsmArch::SpirV => {} InlineAsmArch::Wasm32 | InlineAsmArch::Wasm64 => {} InlineAsmArch::Bpf => {} + InlineAsmArch::Msp430 => { + constraints.push("~{sr}".to_string()); + } } } if !options.contains(InlineAsmOptions::NOMEM) { @@ -580,6 +583,7 @@ fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'_>>) -> InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_ptr) => "e", InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => "r", InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => "f", + InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => "r", InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } @@ -666,6 +670,7 @@ fn modifier_to_llvm( }, InlineAsmRegClass::Avr(_) => None, InlineAsmRegClass::S390x(_) => None, + InlineAsmRegClass::Msp430(_) => None, InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } @@ -734,6 +739,7 @@ fn dummy_output_type<'ll>(cx: &CodegenCx<'ll, '_>, reg: InlineAsmRegClass) -> &' InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_ptr) => cx.type_i16(), InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => cx.type_i32(), InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => cx.type_f64(), + InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => cx.type_i16(), InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } -- cgit 1.4.1-3-g733a5