diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/asm.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/asm.rs | 560 |
1 files changed, 262 insertions, 298 deletions
diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 1d91c3fb17d..7621f111fe2 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -5,10 +5,10 @@ use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece}; use rustc_codegen_ssa::mir::operand::OperandValue; use rustc_codegen_ssa::traits::*; use rustc_data_structures::fx::FxHashMap; -use rustc_middle::ty::layout::TyAndLayout; use rustc_middle::ty::Instance; +use rustc_middle::ty::layout::TyAndLayout; use rustc_middle::{bug, span_bug}; -use rustc_span::{sym, Pos, Span, Symbol}; +use rustc_span::{Pos, Span, Symbol, sym}; use rustc_target::abi::*; use rustc_target::asm::*; use smallvec::SmallVec; @@ -356,7 +356,7 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { } } -impl<'tcx> AsmMethods<'tcx> for CodegenCx<'_, 'tcx> { +impl<'tcx> AsmCodegenMethods<'tcx> for CodegenCx<'_, 'tcx> { fn codegen_global_asm( &self, template: &[InlineAsmTemplatePiece], @@ -504,10 +504,15 @@ pub(crate) fn inline_asm_call<'ll>( // due to the asm template string coming from a macro. LLVM will // default to the first srcloc for lines that don't have an // associated srcloc. - srcloc.push(bx.const_i32(0)); + srcloc.push(llvm::LLVMValueAsMetadata(bx.const_i32(0))); } - srcloc.extend(line_spans.iter().map(|span| bx.const_i32(span.lo().to_u32() as i32))); - let md = llvm::LLVMMDNodeInContext(bx.llcx, srcloc.as_ptr(), srcloc.len() as u32); + srcloc.extend( + line_spans + .iter() + .map(|span| llvm::LLVMValueAsMetadata(bx.const_i32(span.lo().to_u32() as i32))), + ); + let md = llvm::LLVMMDNodeInContext2(bx.llcx, srcloc.as_ptr(), srcloc.len()); + let md = llvm::LLVMMetadataAsValue(&bx.llcx, md); llvm::LLVMSetMetadata(call, kind, md); Some(call) @@ -520,24 +525,16 @@ pub(crate) fn inline_asm_call<'ll>( /// If the register is an xmm/ymm/zmm register then return its index. fn xmm_reg_index(reg: InlineAsmReg) -> Option<u32> { + use X86InlineAsmReg::*; match reg { - InlineAsmReg::X86(reg) - if reg as u32 >= X86InlineAsmReg::xmm0 as u32 - && reg as u32 <= X86InlineAsmReg::xmm15 as u32 => - { - Some(reg as u32 - X86InlineAsmReg::xmm0 as u32) + InlineAsmReg::X86(reg) if reg as u32 >= xmm0 as u32 && reg as u32 <= xmm15 as u32 => { + Some(reg as u32 - xmm0 as u32) } - InlineAsmReg::X86(reg) - if reg as u32 >= X86InlineAsmReg::ymm0 as u32 - && reg as u32 <= X86InlineAsmReg::ymm15 as u32 => - { - Some(reg as u32 - X86InlineAsmReg::ymm0 as u32) + InlineAsmReg::X86(reg) if reg as u32 >= ymm0 as u32 && reg as u32 <= ymm15 as u32 => { + Some(reg as u32 - ymm0 as u32) } - InlineAsmReg::X86(reg) - if reg as u32 >= X86InlineAsmReg::zmm0 as u32 - && reg as u32 <= X86InlineAsmReg::zmm31 as u32 => - { - Some(reg as u32 - X86InlineAsmReg::zmm0 as u32) + InlineAsmReg::X86(reg) if reg as u32 >= zmm0 as u32 && reg as u32 <= zmm31 as u32 => { + Some(reg as u32 - zmm0 as u32) } _ => None, } @@ -545,50 +542,56 @@ fn xmm_reg_index(reg: InlineAsmReg) -> Option<u32> { /// If the register is an AArch64 integer register then return its index. fn a64_reg_index(reg: InlineAsmReg) -> Option<u32> { - match reg { - InlineAsmReg::AArch64(AArch64InlineAsmReg::x0) => Some(0), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x1) => Some(1), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x2) => Some(2), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x3) => Some(3), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x4) => Some(4), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x5) => Some(5), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x6) => Some(6), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x7) => Some(7), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x8) => Some(8), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x9) => Some(9), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x10) => Some(10), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x11) => Some(11), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x12) => Some(12), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x13) => Some(13), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x14) => Some(14), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x15) => Some(15), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x16) => Some(16), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x17) => Some(17), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x18) => Some(18), - // x19 is reserved - InlineAsmReg::AArch64(AArch64InlineAsmReg::x20) => Some(20), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x21) => Some(21), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x22) => Some(22), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x23) => Some(23), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x24) => Some(24), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x25) => Some(25), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x26) => Some(26), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x27) => Some(27), - InlineAsmReg::AArch64(AArch64InlineAsmReg::x28) => Some(28), - // x29 is reserved - InlineAsmReg::AArch64(AArch64InlineAsmReg::x30) => Some(30), - _ => None, - } + use AArch64InlineAsmReg::*; + // Unlike `a64_vreg_index`, we can't subtract `x0` to get the u32 because + // `x19` and `x29` are missing and the integer constants for the + // `x0`..`x30` enum variants don't all match the register number. E.g. the + // integer constant for `x18` is 18, but the constant for `x20` is 19. + Some(match reg { + InlineAsmReg::AArch64(r) => match r { + x0 => 0, + x1 => 1, + x2 => 2, + x3 => 3, + x4 => 4, + x5 => 5, + x6 => 6, + x7 => 7, + x8 => 8, + x9 => 9, + x10 => 10, + x11 => 11, + x12 => 12, + x13 => 13, + x14 => 14, + x15 => 15, + x16 => 16, + x17 => 17, + x18 => 18, + // x19 is reserved + x20 => 20, + x21 => 21, + x22 => 22, + x23 => 23, + x24 => 24, + x25 => 25, + x26 => 26, + x27 => 27, + x28 => 28, + // x29 is reserved + x30 => 30, + _ => return None, + }, + _ => return None, + }) } /// If the register is an AArch64 vector register then return its index. fn a64_vreg_index(reg: InlineAsmReg) -> Option<u32> { + use AArch64InlineAsmReg::*; match reg { - InlineAsmReg::AArch64(reg) - if reg as u32 >= AArch64InlineAsmReg::v0 as u32 - && reg as u32 <= AArch64InlineAsmReg::v31 as u32 => - { - Some(reg as u32 - AArch64InlineAsmReg::v0 as u32) + InlineAsmReg::AArch64(reg) if reg as u32 >= v0 as u32 && reg as u32 <= v31 as u32 => { + Some(reg as u32 - v0 as u32) } _ => None, } @@ -596,6 +599,7 @@ fn a64_vreg_index(reg: InlineAsmReg) -> Option<u32> { /// Converts a register class to an LLVM constraint code. fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'_>>) -> String { + use InlineAsmRegClass::*; match reg { // For vector registers LLVM wants the register name to match the type size. InlineAsmRegOrRegClass::Reg(reg) => { @@ -652,75 +656,66 @@ fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'_>>) -> // The constraints can be retrieved from // https://llvm.org/docs/LangRef.html#supported-constraint-code-list InlineAsmRegOrRegClass::RegClass(reg) => match reg { - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::reg) => "r", - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg) => "w", - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16) => "x", - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::preg) => { - unreachable!("clobber-only") - } - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low16) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low8) => "t", - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg_low16) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low8) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low4) => "x", - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg) => "w", - InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::LoongArch(LoongArchInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::LoongArch(LoongArchInlineAsmRegClass::freg) => "f", - InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => "f", - InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg16) => "h", - InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg32) => "r", - InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg64) => "l", - InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => "b", - InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::freg) => "f", - InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::cr) - | InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::xer) => { + AArch64(AArch64InlineAsmRegClass::reg) => "r", + AArch64(AArch64InlineAsmRegClass::vreg) => "w", + AArch64(AArch64InlineAsmRegClass::vreg_low16) => "x", + AArch64(AArch64InlineAsmRegClass::preg) => unreachable!("clobber-only"), + Arm(ArmInlineAsmRegClass::reg) => "r", + Arm(ArmInlineAsmRegClass::sreg) + | Arm(ArmInlineAsmRegClass::dreg_low16) + | Arm(ArmInlineAsmRegClass::qreg_low8) => "t", + Arm(ArmInlineAsmRegClass::sreg_low16) + | Arm(ArmInlineAsmRegClass::dreg_low8) + | Arm(ArmInlineAsmRegClass::qreg_low4) => "x", + Arm(ArmInlineAsmRegClass::dreg) | Arm(ArmInlineAsmRegClass::qreg) => "w", + Hexagon(HexagonInlineAsmRegClass::reg) => "r", + LoongArch(LoongArchInlineAsmRegClass::reg) => "r", + LoongArch(LoongArchInlineAsmRegClass::freg) => "f", + Mips(MipsInlineAsmRegClass::reg) => "r", + Mips(MipsInlineAsmRegClass::freg) => "f", + Nvptx(NvptxInlineAsmRegClass::reg16) => "h", + Nvptx(NvptxInlineAsmRegClass::reg32) => "r", + Nvptx(NvptxInlineAsmRegClass::reg64) => "l", + PowerPC(PowerPCInlineAsmRegClass::reg) => "r", + PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => "b", + PowerPC(PowerPCInlineAsmRegClass::freg) => "f", + PowerPC(PowerPCInlineAsmRegClass::cr) | PowerPC(PowerPCInlineAsmRegClass::xer) => { unreachable!("clobber-only") } - InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg) => "f", - InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::vreg) => { - unreachable!("clobber-only") - } - InlineAsmRegClass::X86(X86InlineAsmRegClass::reg) => "r", - InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_abcd) => "Q", - InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_byte) => "q", - InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg) - | InlineAsmRegClass::X86(X86InlineAsmRegClass::ymm_reg) => "x", - InlineAsmRegClass::X86(X86InlineAsmRegClass::zmm_reg) => "v", - InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg) => "^Yk", - InlineAsmRegClass::X86( + RiscV(RiscVInlineAsmRegClass::reg) => "r", + RiscV(RiscVInlineAsmRegClass::freg) => "f", + RiscV(RiscVInlineAsmRegClass::vreg) => unreachable!("clobber-only"), + X86(X86InlineAsmRegClass::reg) => "r", + X86(X86InlineAsmRegClass::reg_abcd) => "Q", + X86(X86InlineAsmRegClass::reg_byte) => "q", + X86(X86InlineAsmRegClass::xmm_reg) | X86(X86InlineAsmRegClass::ymm_reg) => "x", + X86(X86InlineAsmRegClass::zmm_reg) => "v", + X86(X86InlineAsmRegClass::kreg) => "^Yk", + X86( X86InlineAsmRegClass::x87_reg | X86InlineAsmRegClass::mmx_reg | X86InlineAsmRegClass::kreg0 | X86InlineAsmRegClass::tmm_reg, ) => unreachable!("clobber-only"), - InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => "r", - InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::wreg) => "w", - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_upper) => "d", - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_pair) => "r", - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_iw) => "w", - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_ptr) => "e", - InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg_addr) => "a", - 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::CSKY(CSKYInlineAsmRegClass::reg) => "r", - InlineAsmRegClass::CSKY(CSKYInlineAsmRegClass::freg) => "f", - InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { - bug!("LLVM backend does not support SPIR-V") - } - InlineAsmRegClass::Err => unreachable!(), + Wasm(WasmInlineAsmRegClass::local) => "r", + Bpf(BpfInlineAsmRegClass::reg) => "r", + Bpf(BpfInlineAsmRegClass::wreg) => "w", + Avr(AvrInlineAsmRegClass::reg) => "r", + Avr(AvrInlineAsmRegClass::reg_upper) => "d", + Avr(AvrInlineAsmRegClass::reg_pair) => "r", + Avr(AvrInlineAsmRegClass::reg_iw) => "w", + Avr(AvrInlineAsmRegClass::reg_ptr) => "e", + S390x(S390xInlineAsmRegClass::reg) => "r", + S390x(S390xInlineAsmRegClass::reg_addr) => "a", + S390x(S390xInlineAsmRegClass::freg) => "f", + Msp430(Msp430InlineAsmRegClass::reg) => "r", + M68k(M68kInlineAsmRegClass::reg) => "r", + M68k(M68kInlineAsmRegClass::reg_addr) => "a", + M68k(M68kInlineAsmRegClass::reg_data) => "d", + CSKY(CSKYInlineAsmRegClass::reg) => "r", + CSKY(CSKYInlineAsmRegClass::freg) => "f", + SpirV(SpirVInlineAsmRegClass::reg) => bug!("LLVM backend does not support SPIR-V"), + Err => unreachable!(), } .to_string(), } @@ -732,44 +727,41 @@ fn modifier_to_llvm( reg: InlineAsmRegClass, modifier: Option<char>, ) -> Option<char> { + use InlineAsmRegClass::*; // The modifiers can be retrieved from // https://llvm.org/docs/LangRef.html#asm-template-argument-modifiers match reg { - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::reg) => modifier, - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg) - | InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16) => { - if modifier == Some('v') { None } else { modifier } - } - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::preg) => { - unreachable!("clobber-only") + AArch64(AArch64InlineAsmRegClass::reg) => modifier, + AArch64(AArch64InlineAsmRegClass::vreg) | AArch64(AArch64InlineAsmRegClass::vreg_low16) => { + if modifier == Some('v') { + None + } else { + modifier + } } - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg) => None, - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg_low16) => None, - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low16) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low8) => Some('P'), - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low8) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low4) => { + AArch64(AArch64InlineAsmRegClass::preg) => unreachable!("clobber-only"), + Arm(ArmInlineAsmRegClass::reg) => None, + Arm(ArmInlineAsmRegClass::sreg) | Arm(ArmInlineAsmRegClass::sreg_low16) => None, + Arm(ArmInlineAsmRegClass::dreg) + | Arm(ArmInlineAsmRegClass::dreg_low16) + | Arm(ArmInlineAsmRegClass::dreg_low8) => Some('P'), + Arm(ArmInlineAsmRegClass::qreg) + | Arm(ArmInlineAsmRegClass::qreg_low8) + | Arm(ArmInlineAsmRegClass::qreg_low4) => { if modifier.is_none() { Some('q') } else { modifier } } - InlineAsmRegClass::Hexagon(_) => None, - InlineAsmRegClass::LoongArch(_) => None, - InlineAsmRegClass::Mips(_) => None, - InlineAsmRegClass::Nvptx(_) => None, - InlineAsmRegClass::PowerPC(_) => None, - InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg) - | InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg) => None, - InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::vreg) => { - unreachable!("clobber-only") - } - InlineAsmRegClass::X86(X86InlineAsmRegClass::reg) - | InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_abcd) => match modifier { + Hexagon(_) => None, + LoongArch(_) => None, + Mips(_) => None, + Nvptx(_) => None, + PowerPC(_) => None, + RiscV(RiscVInlineAsmRegClass::reg) | RiscV(RiscVInlineAsmRegClass::freg) => None, + RiscV(RiscVInlineAsmRegClass::vreg) => unreachable!("clobber-only"), + X86(X86InlineAsmRegClass::reg) | X86(X86InlineAsmRegClass::reg_abcd) => match modifier { None if arch == InlineAsmArch::X86_64 => Some('q'), None => Some('k'), Some('l') => Some('b'), @@ -779,10 +771,10 @@ fn modifier_to_llvm( Some('r') => Some('q'), _ => unreachable!(), }, - InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_byte) => None, - InlineAsmRegClass::X86(reg @ X86InlineAsmRegClass::xmm_reg) - | InlineAsmRegClass::X86(reg @ X86InlineAsmRegClass::ymm_reg) - | InlineAsmRegClass::X86(reg @ X86InlineAsmRegClass::zmm_reg) => match (reg, modifier) { + X86(X86InlineAsmRegClass::reg_byte) => None, + X86(reg @ X86InlineAsmRegClass::xmm_reg) + | X86(reg @ X86InlineAsmRegClass::ymm_reg) + | X86(reg @ X86InlineAsmRegClass::zmm_reg) => match (reg, modifier) { (X86InlineAsmRegClass::xmm_reg, None) => Some('x'), (X86InlineAsmRegClass::ymm_reg, None) => Some('t'), (X86InlineAsmRegClass::zmm_reg, None) => Some('g'), @@ -791,116 +783,97 @@ fn modifier_to_llvm( (_, Some('z')) => Some('g'), _ => unreachable!(), }, - InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg) => None, - InlineAsmRegClass::X86( + X86(X86InlineAsmRegClass::kreg) => None, + X86( X86InlineAsmRegClass::x87_reg | X86InlineAsmRegClass::mmx_reg | X86InlineAsmRegClass::kreg0 | X86InlineAsmRegClass::tmm_reg, - ) => { - unreachable!("clobber-only") - } - InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => None, - InlineAsmRegClass::Bpf(_) => None, - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_pair) - | InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_iw) - | InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_ptr) => match modifier { + ) => unreachable!("clobber-only"), + Wasm(WasmInlineAsmRegClass::local) => None, + Bpf(_) => None, + Avr(AvrInlineAsmRegClass::reg_pair) + | Avr(AvrInlineAsmRegClass::reg_iw) + | Avr(AvrInlineAsmRegClass::reg_ptr) => match modifier { Some('h') => Some('B'), Some('l') => Some('A'), _ => None, }, - InlineAsmRegClass::Avr(_) => None, - InlineAsmRegClass::S390x(_) => None, - InlineAsmRegClass::Msp430(_) => None, - InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { - bug!("LLVM backend does not support SPIR-V") - } - InlineAsmRegClass::M68k(_) => None, - InlineAsmRegClass::CSKY(_) => None, - InlineAsmRegClass::Err => unreachable!(), + Avr(_) => None, + S390x(_) => None, + Msp430(_) => None, + SpirV(SpirVInlineAsmRegClass::reg) => bug!("LLVM backend does not support SPIR-V"), + M68k(_) => None, + CSKY(_) => None, + Err => unreachable!(), } } /// Type to use for outputs that are discarded. It doesn't really matter what /// the type is, as long as it is valid for the constraint code. fn dummy_output_type<'ll>(cx: &CodegenCx<'ll, '_>, reg: InlineAsmRegClass) -> &'ll Type { + use InlineAsmRegClass::*; match reg { - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::reg) => cx.type_i32(), - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg) - | InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16) => { + AArch64(AArch64InlineAsmRegClass::reg) => cx.type_i32(), + AArch64(AArch64InlineAsmRegClass::vreg) | AArch64(AArch64InlineAsmRegClass::vreg_low16) => { cx.type_vector(cx.type_i64(), 2) } - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::preg) => { - unreachable!("clobber-only") - } - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg) => cx.type_i32(), - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg_low16) => cx.type_f32(), - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low16) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low8) => cx.type_f64(), - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low8) - | InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low4) => { - cx.type_vector(cx.type_i64(), 2) - } - InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => cx.type_i32(), - InlineAsmRegClass::LoongArch(LoongArchInlineAsmRegClass::reg) => cx.type_i32(), - InlineAsmRegClass::LoongArch(LoongArchInlineAsmRegClass::freg) => cx.type_f32(), - InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => cx.type_i32(), - InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => cx.type_f32(), - InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg16) => cx.type_i16(), - InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg32) => cx.type_i32(), - InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg64) => cx.type_i64(), - 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) => { + AArch64(AArch64InlineAsmRegClass::preg) => unreachable!("clobber-only"), + Arm(ArmInlineAsmRegClass::reg) => cx.type_i32(), + Arm(ArmInlineAsmRegClass::sreg) | Arm(ArmInlineAsmRegClass::sreg_low16) => cx.type_f32(), + Arm(ArmInlineAsmRegClass::dreg) + | Arm(ArmInlineAsmRegClass::dreg_low16) + | Arm(ArmInlineAsmRegClass::dreg_low8) => cx.type_f64(), + Arm(ArmInlineAsmRegClass::qreg) + | Arm(ArmInlineAsmRegClass::qreg_low8) + | Arm(ArmInlineAsmRegClass::qreg_low4) => cx.type_vector(cx.type_i64(), 2), + Hexagon(HexagonInlineAsmRegClass::reg) => cx.type_i32(), + LoongArch(LoongArchInlineAsmRegClass::reg) => cx.type_i32(), + LoongArch(LoongArchInlineAsmRegClass::freg) => cx.type_f32(), + Mips(MipsInlineAsmRegClass::reg) => cx.type_i32(), + Mips(MipsInlineAsmRegClass::freg) => cx.type_f32(), + Nvptx(NvptxInlineAsmRegClass::reg16) => cx.type_i16(), + Nvptx(NvptxInlineAsmRegClass::reg32) => cx.type_i32(), + Nvptx(NvptxInlineAsmRegClass::reg64) => cx.type_i64(), + PowerPC(PowerPCInlineAsmRegClass::reg) => cx.type_i32(), + PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => cx.type_i32(), + PowerPC(PowerPCInlineAsmRegClass::freg) => cx.type_f64(), + PowerPC(PowerPCInlineAsmRegClass::cr) | PowerPC(PowerPCInlineAsmRegClass::xer) => { unreachable!("clobber-only") } - InlineAsmRegClass::X86(X86InlineAsmRegClass::reg) - | InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_abcd) => cx.type_i32(), - InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_byte) => cx.type_i8(), - InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg) - | InlineAsmRegClass::X86(X86InlineAsmRegClass::ymm_reg) - | InlineAsmRegClass::X86(X86InlineAsmRegClass::zmm_reg) => cx.type_f32(), - InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg) => cx.type_i16(), - InlineAsmRegClass::X86( + RiscV(RiscVInlineAsmRegClass::reg) => cx.type_i32(), + RiscV(RiscVInlineAsmRegClass::freg) => cx.type_f32(), + RiscV(RiscVInlineAsmRegClass::vreg) => unreachable!("clobber-only"), + X86(X86InlineAsmRegClass::reg) | X86(X86InlineAsmRegClass::reg_abcd) => cx.type_i32(), + X86(X86InlineAsmRegClass::reg_byte) => cx.type_i8(), + X86(X86InlineAsmRegClass::xmm_reg) + | X86(X86InlineAsmRegClass::ymm_reg) + | X86(X86InlineAsmRegClass::zmm_reg) => cx.type_f32(), + X86(X86InlineAsmRegClass::kreg) => cx.type_i16(), + X86( X86InlineAsmRegClass::x87_reg | X86InlineAsmRegClass::mmx_reg | X86InlineAsmRegClass::kreg0 | X86InlineAsmRegClass::tmm_reg, - ) => { - unreachable!("clobber-only") - } - InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => cx.type_i32(), - InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::reg) => cx.type_i64(), - InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::wreg) => cx.type_i32(), - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg) => cx.type_i8(), - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_upper) => cx.type_i8(), - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_pair) => cx.type_i16(), - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_iw) => cx.type_i16(), - InlineAsmRegClass::Avr(AvrInlineAsmRegClass::reg_ptr) => cx.type_i16(), - InlineAsmRegClass::S390x( - S390xInlineAsmRegClass::reg | S390xInlineAsmRegClass::reg_addr, - ) => 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::CSKY(CSKYInlineAsmRegClass::reg) => cx.type_i32(), - InlineAsmRegClass::CSKY(CSKYInlineAsmRegClass::freg) => cx.type_f32(), - InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { - bug!("LLVM backend does not support SPIR-V") - } - InlineAsmRegClass::Err => unreachable!(), + ) => unreachable!("clobber-only"), + Wasm(WasmInlineAsmRegClass::local) => cx.type_i32(), + Bpf(BpfInlineAsmRegClass::reg) => cx.type_i64(), + Bpf(BpfInlineAsmRegClass::wreg) => cx.type_i32(), + Avr(AvrInlineAsmRegClass::reg) => cx.type_i8(), + Avr(AvrInlineAsmRegClass::reg_upper) => cx.type_i8(), + Avr(AvrInlineAsmRegClass::reg_pair) => cx.type_i16(), + Avr(AvrInlineAsmRegClass::reg_iw) => cx.type_i16(), + Avr(AvrInlineAsmRegClass::reg_ptr) => cx.type_i16(), + S390x(S390xInlineAsmRegClass::reg | S390xInlineAsmRegClass::reg_addr) => cx.type_i32(), + S390x(S390xInlineAsmRegClass::freg) => cx.type_f64(), + Msp430(Msp430InlineAsmRegClass::reg) => cx.type_i16(), + M68k(M68kInlineAsmRegClass::reg) => cx.type_i32(), + M68k(M68kInlineAsmRegClass::reg_addr) => cx.type_i32(), + M68k(M68kInlineAsmRegClass::reg_data) => cx.type_i32(), + CSKY(CSKYInlineAsmRegClass::reg) => cx.type_i32(), + CSKY(CSKYInlineAsmRegClass::freg) => cx.type_f32(), + SpirV(SpirVInlineAsmRegClass::reg) => bug!("LLVM backend does not support SPIR-V"), + Err => unreachable!(), } } @@ -940,9 +913,10 @@ fn llvm_fixup_input<'ll, 'tcx>( layout: &TyAndLayout<'tcx>, instance: Instance<'_>, ) -> &'ll Value { + use InlineAsmRegClass::*; let dl = &bx.tcx.data_layout; match (reg, layout.abi) { - (InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg), Abi::Scalar(s)) => { + (AArch64(AArch64InlineAsmRegClass::vreg), Abi::Scalar(s)) => { if let Primitive::Int(Integer::I8, _) = s.primitive() { let vec_ty = bx.cx.type_vector(bx.cx.type_i8(), 8); bx.insert_element(bx.const_undef(vec_ty), value, bx.const_i32(0)) @@ -950,7 +924,7 @@ fn llvm_fixup_input<'ll, 'tcx>( value } } - (InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Scalar(s)) + (AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Scalar(s)) if s.primitive() != Primitive::Float(Float::F128) => { let elem_ty = llvm_asm_scalar_type(bx.cx, s); @@ -963,26 +937,25 @@ fn llvm_fixup_input<'ll, 'tcx>( } bx.insert_element(bx.const_undef(vec_ty), value, bx.const_i32(0)) } - ( - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16), - Abi::Vector { element, count }, - ) if layout.size.bytes() == 8 => { + (AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Vector { element, count }) + if layout.size.bytes() == 8 => + { let elem_ty = llvm_asm_scalar_type(bx.cx, element); let vec_ty = bx.cx.type_vector(elem_ty, count); let indices: Vec<_> = (0..count * 2).map(|x| bx.const_i32(x as i32)).collect(); bx.shuffle_vector(value, bx.const_undef(vec_ty), bx.const_vector(&indices)) } - (InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_abcd), Abi::Scalar(s)) + (X86(X86InlineAsmRegClass::reg_abcd), Abi::Scalar(s)) if s.primitive() == Primitive::Float(Float::F64) => { bx.bitcast(value, bx.cx.type_i64()) } ( - InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), + X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), Abi::Vector { .. }, ) if layout.size.bytes() == 64 => bx.bitcast(value, bx.cx.type_vector(bx.cx.type_f64(), 8)), ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -994,7 +967,7 @@ fn llvm_fixup_input<'ll, 'tcx>( bx.bitcast(value, bx.type_vector(bx.type_i32(), 4)) } ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1009,7 +982,7 @@ fn llvm_fixup_input<'ll, 'tcx>( bx.bitcast(value, bx.type_vector(bx.type_i16(), 8)) } ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1018,10 +991,7 @@ fn llvm_fixup_input<'ll, 'tcx>( ) if element.primitive() == Primitive::Float(Float::F16) => { bx.bitcast(value, bx.type_vector(bx.type_i16(), count)) } - ( - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), - Abi::Scalar(s), - ) => { + (Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), Abi::Scalar(s)) => { if let Primitive::Int(Integer::I32, _) = s.primitive() { bx.bitcast(value, bx.cx.type_f32()) } else { @@ -1029,7 +999,7 @@ fn llvm_fixup_input<'ll, 'tcx>( } } ( - InlineAsmRegClass::Arm( + Arm( ArmInlineAsmRegClass::dreg | ArmInlineAsmRegClass::dreg_low8 | ArmInlineAsmRegClass::dreg_low16, @@ -1043,7 +1013,7 @@ fn llvm_fixup_input<'ll, 'tcx>( } } ( - InlineAsmRegClass::Arm( + Arm( ArmInlineAsmRegClass::dreg | ArmInlineAsmRegClass::dreg_low8 | ArmInlineAsmRegClass::dreg_low16 @@ -1055,7 +1025,7 @@ fn llvm_fixup_input<'ll, 'tcx>( ) if element.primitive() == Primitive::Float(Float::F16) => { bx.bitcast(value, bx.type_vector(bx.type_i16(), count)) } - (InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg), Abi::Scalar(s)) => { + (Mips(MipsInlineAsmRegClass::reg), Abi::Scalar(s)) => { match s.primitive() { // MIPS only supports register-length arithmetics. Primitive::Int(Integer::I8 | Integer::I16, _) => bx.zext(value, bx.cx.type_i32()), @@ -1064,7 +1034,7 @@ fn llvm_fixup_input<'ll, 'tcx>( _ => value, } } - (InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg), Abi::Scalar(s)) + (RiscV(RiscVInlineAsmRegClass::freg), Abi::Scalar(s)) if s.primitive() == Primitive::Float(Float::F16) && !any_target_feature_enabled(bx, instance, &[sym::zfhmin, sym::zfh]) => { @@ -1086,15 +1056,16 @@ fn llvm_fixup_output<'ll, 'tcx>( layout: &TyAndLayout<'tcx>, instance: Instance<'_>, ) -> &'ll Value { + use InlineAsmRegClass::*; match (reg, layout.abi) { - (InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg), Abi::Scalar(s)) => { + (AArch64(AArch64InlineAsmRegClass::vreg), Abi::Scalar(s)) => { if let Primitive::Int(Integer::I8, _) = s.primitive() { bx.extract_element(value, bx.const_i32(0)) } else { value } } - (InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Scalar(s)) + (AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Scalar(s)) if s.primitive() != Primitive::Float(Float::F128) => { value = bx.extract_element(value, bx.const_i32(0)); @@ -1103,26 +1074,25 @@ fn llvm_fixup_output<'ll, 'tcx>( } value } - ( - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16), - Abi::Vector { element, count }, - ) if layout.size.bytes() == 8 => { + (AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Vector { element, count }) + if layout.size.bytes() == 8 => + { let elem_ty = llvm_asm_scalar_type(bx.cx, element); let vec_ty = bx.cx.type_vector(elem_ty, count * 2); let indices: Vec<_> = (0..count).map(|x| bx.const_i32(x as i32)).collect(); bx.shuffle_vector(value, bx.const_undef(vec_ty), bx.const_vector(&indices)) } - (InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_abcd), Abi::Scalar(s)) + (X86(X86InlineAsmRegClass::reg_abcd), Abi::Scalar(s)) if s.primitive() == Primitive::Float(Float::F64) => { bx.bitcast(value, bx.cx.type_f64()) } ( - InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), + X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), Abi::Vector { .. }, ) if layout.size.bytes() == 64 => bx.bitcast(value, layout.llvm_type(bx.cx)), ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1134,7 +1104,7 @@ fn llvm_fixup_output<'ll, 'tcx>( bx.bitcast(value, bx.type_f128()) } ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1145,7 +1115,7 @@ fn llvm_fixup_output<'ll, 'tcx>( bx.extract_element(value, bx.const_usize(0)) } ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1154,10 +1124,7 @@ fn llvm_fixup_output<'ll, 'tcx>( ) if element.primitive() == Primitive::Float(Float::F16) => { bx.bitcast(value, bx.type_vector(bx.type_f16(), count)) } - ( - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), - Abi::Scalar(s), - ) => { + (Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), Abi::Scalar(s)) => { if let Primitive::Int(Integer::I32, _) = s.primitive() { bx.bitcast(value, bx.cx.type_i32()) } else { @@ -1165,7 +1132,7 @@ fn llvm_fixup_output<'ll, 'tcx>( } } ( - InlineAsmRegClass::Arm( + Arm( ArmInlineAsmRegClass::dreg | ArmInlineAsmRegClass::dreg_low8 | ArmInlineAsmRegClass::dreg_low16, @@ -1179,7 +1146,7 @@ fn llvm_fixup_output<'ll, 'tcx>( } } ( - InlineAsmRegClass::Arm( + Arm( ArmInlineAsmRegClass::dreg | ArmInlineAsmRegClass::dreg_low8 | ArmInlineAsmRegClass::dreg_low16 @@ -1191,7 +1158,7 @@ fn llvm_fixup_output<'ll, 'tcx>( ) if element.primitive() == Primitive::Float(Float::F16) => { bx.bitcast(value, bx.type_vector(bx.type_f16(), count)) } - (InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg), Abi::Scalar(s)) => { + (Mips(MipsInlineAsmRegClass::reg), Abi::Scalar(s)) => { match s.primitive() { // MIPS only supports register-length arithmetics. Primitive::Int(Integer::I8, _) => bx.trunc(value, bx.cx.type_i8()), @@ -1201,7 +1168,7 @@ fn llvm_fixup_output<'ll, 'tcx>( _ => value, } } - (InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg), Abi::Scalar(s)) + (RiscV(RiscVInlineAsmRegClass::freg), Abi::Scalar(s)) if s.primitive() == Primitive::Float(Float::F16) && !any_target_feature_enabled(bx, instance, &[sym::zfhmin, sym::zfh]) => { @@ -1220,39 +1187,39 @@ fn llvm_fixup_output_type<'ll, 'tcx>( layout: &TyAndLayout<'tcx>, instance: Instance<'_>, ) -> &'ll Type { + use InlineAsmRegClass::*; match (reg, layout.abi) { - (InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg), Abi::Scalar(s)) => { + (AArch64(AArch64InlineAsmRegClass::vreg), Abi::Scalar(s)) => { if let Primitive::Int(Integer::I8, _) = s.primitive() { cx.type_vector(cx.type_i8(), 8) } else { layout.llvm_type(cx) } } - (InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Scalar(s)) + (AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Scalar(s)) if s.primitive() != Primitive::Float(Float::F128) => { let elem_ty = llvm_asm_scalar_type(cx, s); let count = 16 / layout.size.bytes(); cx.type_vector(elem_ty, count) } - ( - InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16), - Abi::Vector { element, count }, - ) if layout.size.bytes() == 8 => { + (AArch64(AArch64InlineAsmRegClass::vreg_low16), Abi::Vector { element, count }) + if layout.size.bytes() == 8 => + { let elem_ty = llvm_asm_scalar_type(cx, element); cx.type_vector(elem_ty, count * 2) } - (InlineAsmRegClass::X86(X86InlineAsmRegClass::reg_abcd), Abi::Scalar(s)) + (X86(X86InlineAsmRegClass::reg_abcd), Abi::Scalar(s)) if s.primitive() == Primitive::Float(Float::F64) => { cx.type_i64() } ( - InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), + X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), Abi::Vector { .. }, ) if layout.size.bytes() == 64 => cx.type_vector(cx.type_f64(), 8), ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1264,7 +1231,7 @@ fn llvm_fixup_output_type<'ll, 'tcx>( cx.type_vector(cx.type_i32(), 4) } ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1272,7 +1239,7 @@ fn llvm_fixup_output_type<'ll, 'tcx>( Abi::Scalar(s), ) if s.primitive() == Primitive::Float(Float::F16) => cx.type_vector(cx.type_i16(), 8), ( - InlineAsmRegClass::X86( + X86( X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::ymm_reg | X86InlineAsmRegClass::zmm_reg, @@ -1281,10 +1248,7 @@ fn llvm_fixup_output_type<'ll, 'tcx>( ) if element.primitive() == Primitive::Float(Float::F16) => { cx.type_vector(cx.type_i16(), count) } - ( - InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), - Abi::Scalar(s), - ) => { + (Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), Abi::Scalar(s)) => { if let Primitive::Int(Integer::I32, _) = s.primitive() { cx.type_f32() } else { @@ -1292,7 +1256,7 @@ fn llvm_fixup_output_type<'ll, 'tcx>( } } ( - InlineAsmRegClass::Arm( + Arm( ArmInlineAsmRegClass::dreg | ArmInlineAsmRegClass::dreg_low8 | ArmInlineAsmRegClass::dreg_low16, @@ -1306,7 +1270,7 @@ fn llvm_fixup_output_type<'ll, 'tcx>( } } ( - InlineAsmRegClass::Arm( + Arm( ArmInlineAsmRegClass::dreg | ArmInlineAsmRegClass::dreg_low8 | ArmInlineAsmRegClass::dreg_low16 @@ -1318,7 +1282,7 @@ fn llvm_fixup_output_type<'ll, 'tcx>( ) if element.primitive() == Primitive::Float(Float::F16) => { cx.type_vector(cx.type_i16(), count) } - (InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg), Abi::Scalar(s)) => { + (Mips(MipsInlineAsmRegClass::reg), Abi::Scalar(s)) => { match s.primitive() { // MIPS only supports register-length arithmetics. Primitive::Int(Integer::I8 | Integer::I16, _) => cx.type_i32(), @@ -1327,7 +1291,7 @@ fn llvm_fixup_output_type<'ll, 'tcx>( _ => layout.llvm_type(cx), } } - (InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg), Abi::Scalar(s)) + (RiscV(RiscVInlineAsmRegClass::freg), Abi::Scalar(s)) if s.primitive() == Primitive::Float(Float::F16) && !any_target_feature_enabled(cx, instance, &[sym::zfhmin, sym::zfh]) => { |