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Add missing register class conversion for inline asm

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This commit is contained in:
Guillaume Gomez 2022-10-13 21:43:07 +02:00
parent 618553b9b4
commit b3198c72db
1 changed files with 45 additions and 30 deletions
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75
src/asm.rs
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@ -564,39 +564,52 @@ fn reg_to_gcc(reg: InlineAsmRegOrRegClass) -> ConstraintOrRegister {
_ => unimplemented!(),
}
},
// They can be retrieved from https://gcc.gnu.org/onlinedocs/gcc/Machine-Constraints.html
InlineAsmRegOrRegClass::RegClass(reg) => match reg {
InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::preg) => unimplemented!(),
InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg) => unimplemented!(),
InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg_low16) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::reg) => unimplemented!(),
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) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg_low16)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low8)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg_low16)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg_low8)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low4) => unimplemented!(),
InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg) => unimplemented!(),
InlineAsmRegClass::Avr(_) => unimplemented!(),
InlineAsmRegClass::Bpf(_) => unimplemented!(),
InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => unimplemented!(),
InlineAsmRegClass::Msp430(_) => unimplemented!(),
InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg16) => unimplemented!(),
InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg32) => unimplemented!(),
InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg64) => unimplemented!(),
InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => unimplemented!(),
InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::freg) => unimplemented!(),
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg_low4)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::dreg)
| InlineAsmRegClass::Arm(ArmInlineAsmRegClass::qreg) => "t",
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::Bpf(BpfInlineAsmRegClass::reg) => "r",
InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::wreg) => "w",
InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => "r",
InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => "d", // more specific than "r"
InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => "f",
InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => "r",
// https://github.com/gcc-mirror/gcc/blob/master/gcc/config/nvptx/nvptx.md -> look for
// "define_constraint".
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) => {
unreachable!("clobber-only")
},
InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::freg) => unimplemented!(),
InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::vreg) => unimplemented!(),
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",
@ -604,16 +617,18 @@ fn reg_to_gcc(reg: InlineAsmRegOrRegClass) -> ConstraintOrRegister {
| InlineAsmRegClass::X86(X86InlineAsmRegClass::ymm_reg) => "x",
InlineAsmRegClass::X86(X86InlineAsmRegClass::zmm_reg) => "v",
InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg) => "Yk",
InlineAsmRegClass::X86(X86InlineAsmRegClass::kreg0) => unimplemented!(),
InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => unimplemented!(),
InlineAsmRegClass::X86(
X86InlineAsmRegClass::x87_reg | X86InlineAsmRegClass::mmx_reg | X86InlineAsmRegClass::tmm_reg,
X86InlineAsmRegClass::kreg0
| X86InlineAsmRegClass::x87_reg
| X86InlineAsmRegClass::mmx_reg
| X86InlineAsmRegClass::tmm_reg,
) => unreachable!("clobber-only"),
InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => {
bug!("GCC backend does not support SPIR-V")
}
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => unimplemented!(),
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => unimplemented!(),
InlineAsmRegClass::Wasm(WasmInlineAsmRegClass::local) => "r",
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => "r",
InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => "f",
InlineAsmRegClass::Err => unreachable!(),
}
};