use super::{InlineAsmArch, InlineAsmType};
use rustc_macros::HashStable_Generic;
use rustc_span::Symbol;
use std::fmt;
def_reg_class! {
M68k M68kInlineAsmRegClass {
reg,
reg_addr,
reg_data,
}
}
impl M68kInlineAsmRegClass {
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 {
Self::reg => types! { _: I16, I32; },
Self::reg_data => types! { _: I8, I16, I32; },
Self::reg_addr => types! { _: I16, I32; },
}
}
}
def_regs! {
M68k M68kInlineAsmReg M68kInlineAsmRegClass {
d0: reg, reg_data = ["d0"],
d1: reg, reg_data = ["d1"],
d2: reg, reg_data = ["d2"],
d3: reg, reg_data = ["d3"],
d4: reg, reg_data = ["d4"],
d5: reg, reg_data = ["d5"],
d6: reg, reg_data = ["d6"],
d7: reg, reg_data = ["d7"],
a0: reg, reg_addr = ["a0"],
a1: reg, reg_addr = ["a1"],
a2: reg, reg_addr = ["a2"],
a3: reg, reg_addr = ["a3"],
#error = ["a4"] =>
"a4 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["a5", "bp"] =>
"a5 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["a6", "fp"] =>
"a6 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["a7", "sp", "usp", "ssp", "isp"] =>
"the stack pointer cannot be used as an operand for inline asm",
}
}
impl M68kInlineAsmReg {
pub fn emit(
self,
out: &mut dyn fmt::Write,
_arch: InlineAsmArch,
_modifier: Option<char>,
) -> fmt::Result {
out.write_str(self.name())
}
}