use super::{InlineAsmArch, InlineAsmType};
use rustc_macros::HashStable_Generic;
use std::fmt;
def_reg_class! {
PowerPC PowerPCInlineAsmRegClass {
reg,
reg_nonzero,
freg,
}
}
impl PowerPCInlineAsmRegClass {
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<&'static str>)] {
match self {
Self::reg | Self::reg_nonzero => {
if arch == InlineAsmArch::PowerPC {
types! { _: I8, I16, I32; }
} else {
types! { _: I8, I16, I32, I64; }
}
}
Self::freg => types! { _: F32, F64; },
}
}
}
def_regs! {
PowerPC PowerPCInlineAsmReg PowerPCInlineAsmRegClass {
r0: reg = ["r0", "0"],
r3: reg, reg_nonzero = ["r3", "3"],
r4: reg, reg_nonzero = ["r4", "4"],
r5: reg, reg_nonzero = ["r5", "5"],
r6: reg, reg_nonzero = ["r6", "6"],
r7: reg, reg_nonzero = ["r7", "7"],
r8: reg, reg_nonzero = ["r8", "8"],
r9: reg, reg_nonzero = ["r9", "9"],
r10: reg, reg_nonzero = ["r10", "10"],
r11: reg, reg_nonzero = ["r11", "11"],
r12: reg, reg_nonzero = ["r12", "12"],
r14: reg, reg_nonzero = ["r14", "14"],
r15: reg, reg_nonzero = ["r15", "15"],
r16: reg, reg_nonzero = ["r16", "16"],
r17: reg, reg_nonzero = ["r17", "17"],
r18: reg, reg_nonzero = ["r18", "18"],
r19: reg, reg_nonzero = ["r19", "19"],
r20: reg, reg_nonzero = ["r20", "20"],
r21: reg, reg_nonzero = ["r21", "21"],
r22: reg, reg_nonzero = ["r22", "22"],
r23: reg, reg_nonzero = ["r23", "23"],
r24: reg, reg_nonzero = ["r24", "24"],
r25: reg, reg_nonzero = ["r25", "25"],
r26: reg, reg_nonzero = ["r26", "26"],
r27: reg, reg_nonzero = ["r27", "27"],
r28: reg, reg_nonzero = ["r28", "28"],
f0: freg = ["f0", "fr0"],
f1: freg = ["f1", "fr1"],
f2: freg = ["f2", "fr2"],
f3: freg = ["f3", "fr3"],
f4: freg = ["f4", "fr4"],
f5: freg = ["f5", "fr5"],
f6: freg = ["f6", "fr6"],
f7: freg = ["f7", "fr7"],
f8: freg = ["f8", "fr8"],
f9: freg = ["f9", "fr9"],
f10: freg = ["f10", "fr10"],
f11: freg = ["f11", "fr11"],
f12: freg = ["f12", "fr12"],
f13: freg = ["f13", "fr13"],
f14: freg = ["f14", "fr14"],
f15: freg = ["f15", "fr15"],
f16: freg = ["f16", "fr16"],
f17: freg = ["f17", "fr17"],
f18: freg = ["f18", "fr18"],
f19: freg = ["f19", "fr19"],
f20: freg = ["f20", "fr20"],
f21: freg = ["f21", "fr21"],
f22: freg = ["f22", "fr22"],
f23: freg = ["f23", "fr23"],
f24: freg = ["f24", "fr24"],
f25: freg = ["f25", "fr25"],
f26: freg = ["f26", "fr26"],
f27: freg = ["f27", "fr27"],
f28: freg = ["f28", "fr28"],
f29: freg = ["f29", "fr29"],
f30: freg = ["f30", "fr30"],
f31: freg = ["f31", "fr31"],
#error = ["r1", "1", "sp"] =>
"the stack pointer cannot be used as an operand for inline asm",
#error = ["r2", "2"] =>
"r2 is a system reserved register and cannot be used as an operand for inline asm",
#error = ["r13", "13"] =>
"r13 is a system reserved register and cannot be used as an operand for inline asm",
#error = ["r29", "29"] =>
"r29 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["r30", "30"] =>
"r30 is used internally by LLVM and cannot be used as an operand for inline asm",
#error = ["r31", "31", "fp"] =>
"the frame pointer cannot be used as an operand for inline asm",
#error = ["lr"] =>
"the link register cannot be used as an operand for inline asm",
#error = ["ctr"] =>
"the counter register cannot be used as an operand for inline asm",
#error = ["vrsave"] =>
"the vrsave register cannot be used as an operand for inline asm",
}
}
impl PowerPCInlineAsmReg {
pub fn emit(
self,
out: &mut dyn fmt::Write,
_arch: InlineAsmArch,
_modifier: Option<char>,
) -> fmt::Result {
if self as u32 <= Self::r28 as u32 {
let index = self as u32 - Self::r28 as u32;
write!(out, "{}", index)
} else if self as u32 >= Self::f0 as u32 && self as u32 <= Self::f31 as u32 {
let index = self as u32 - Self::f31 as u32;
write!(out, "{}", index)
} else {
unreachable!()
}
}
pub fn overlapping_regs(self, mut _cb: impl FnMut(PowerPCInlineAsmReg)) {}
}