use super::{InlineAsmArch, InlineAsmType};
use rustc_macros::HashStable_Generic;
use rustc_span::Symbol;
use std::fmt;
def_reg_class! {
Hexagon HexagonInlineAsmRegClass {
reg,
}
}
impl HexagonInlineAsmRegClass {
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! { _: I8, I16, I32, F32; },
}
}
}
def_regs! {
Hexagon HexagonInlineAsmReg HexagonInlineAsmRegClass {
r0: reg = ["r0"],
r1: reg = ["r1"],
r2: reg = ["r2"],
r3: reg = ["r3"],
r4: reg = ["r4"],
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"],
r16: reg = ["r16"],
r17: reg = ["r17"],
r18: reg = ["r18"],
r20: reg = ["r20"],
r21: reg = ["r21"],
r22: reg = ["r22"],
r23: reg = ["r23"],
r24: reg = ["r24"],
r25: reg = ["r25"],
r26: reg = ["r26"],
r27: reg = ["r27"],
r28: reg = ["r28"],
#error = ["r19"] =>
"r19 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["r29", "sp"] =>
"the stack pointer cannot be used as an operand for inline asm",
#error = ["r30", "fr"] =>
"the frame register cannot be used as an operand for inline asm",
#error = ["r31", "lr"] =>
"the link register cannot be used as an operand for inline asm",
}
}
impl HexagonInlineAsmReg {
pub fn emit(
self,
out: &mut dyn fmt::Write,
_arch: InlineAsmArch,
_modifier: Option<char>,
) -> fmt::Result {
out.write_str(self.name())
}
pub fn overlapping_regs(self, mut _cb: impl FnMut(HexagonInlineAsmReg)) {}
}