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use super::{InlineAsmArch, InlineAsmType};
use rustc_macros::HashStable_Generic;
use rustc_span::Symbol;
use std::fmt;
def_reg_class! {
Msp430 Msp430InlineAsmRegClass {
reg,
}
}
impl Msp430InlineAsmRegClass {
pub fn valid_modifiers(self, _arch: super::InlineAsmArch) -> &'static [char] {
&[]
}
pub fn suggest_class(self, _arch: InlineAsmArch, _ty: InlineAsmType) -> Option<Self> {
None
}
pub fn suggest_modifier(
self,
_arch: InlineAsmArch,
_ty: InlineAsmType,
) -> Option<(char, &'static str)> {
None
}
pub fn default_modifier(self, _arch: InlineAsmArch) -> Option<(char, &'static str)> {
None
}
pub fn supported_types(
self,
arch: InlineAsmArch,
) -> &'static [(InlineAsmType, Option<Symbol>)] {
match (self, arch) {
(Self::reg, _) => types! { _: I8, I16; },
}
}
}
// The reserved registers are taken from:
// https://github.com/llvm/llvm-project/blob/36cb29cbbe1b22dcd298ad65e1fabe899b7d7249/llvm/lib/Target/MSP430/MSP430RegisterInfo.cpp#L73.
def_regs! {
Msp430 Msp430InlineAsmReg Msp430InlineAsmRegClass {
r5: reg = ["r5"],
r6: reg = ["r6"],
r7: reg = ["r7"],
r8: reg = ["r8"],
r9: reg = ["r9"],
r10: reg = ["r10"],
r11: reg = ["r11"],
r12: reg = ["r12"],
r13: reg = ["r13"],
r14: reg = ["r14"],
r15: reg = ["r15"],
#error = ["r0", "pc"] =>
"the program counter cannot be used as an operand for inline asm",
#error = ["r1", "sp"] =>
"the stack pointer cannot be used as an operand for inline asm",
#error = ["r2", "sr"] =>
"the status register cannot be used as an operand for inline asm",
#error = ["r3", "cg"] =>
"the constant generator cannot be used as an operand for inline asm",
#error = ["r4", "fp"] =>
"the frame pointer cannot be used as an operand for inline asm",
}
}
impl Msp430InlineAsmReg {
pub fn emit(
self,
out: &mut dyn fmt::Write,
_arch: InlineAsmArch,
_modifier: Option<char>,
) -> fmt::Result {
out.write_str(self.name())
}
}
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