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128 lines
4.2 KiB
Rust
128 lines
4.2 KiB
Rust
use super::{InlineAsmArch, InlineAsmType, ModifierInfo};
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use rustc_span::Symbol;
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use std::fmt;
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def_reg_class! {
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CSKY CSKYInlineAsmRegClass {
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reg,
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freg,
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}
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}
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impl CSKYInlineAsmRegClass {
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pub fn valid_modifiers(self, _arch: super::InlineAsmArch) -> &'static [char] {
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&[]
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}
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pub fn suggest_class(self, _arch: InlineAsmArch, _ty: InlineAsmType) -> Option<Self> {
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None
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}
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pub fn suggest_modifier(
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self,
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_arch: InlineAsmArch,
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_ty: InlineAsmType,
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) -> Option<ModifierInfo> {
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None
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}
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pub fn default_modifier(self, _arch: InlineAsmArch) -> Option<ModifierInfo> {
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None
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}
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pub fn supported_types(
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self,
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_arch: InlineAsmArch,
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) -> &'static [(InlineAsmType, Option<Symbol>)] {
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match self {
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Self::reg => types! { _: I8, I16, I32; },
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Self::freg => types! { _: F32; },
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}
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}
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}
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// The reserved registers are taken from <https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/CSKY/CSKYRegisterInfo.cpp#79>
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def_regs! {
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CSKY CSKYInlineAsmReg CSKYInlineAsmRegClass {
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r0: reg = ["r0","a0"],
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r1: reg = ["r1","a1"],
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r2: reg = ["r2","a2"],
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r3: reg = ["r3","a3"],
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r4: reg = ["r4","l0"],
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r5: reg = ["r5","l1"],
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r6: reg = ["r6","l2"],
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r9: reg = ["r9","l5"],// feature e2
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r10: reg = ["r10","l6"],// feature e2
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r11: reg = ["r11","l7"],// feature e2
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r12: reg = ["r12","t0"],// feature e2
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r13: reg = ["r13","t1"],// feature e2
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r16: reg = ["r16","l8"],// feature high-register
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r17: reg = ["r17","l9"],// feature high-register
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r18: reg = ["r18","t2"],// feature high-register
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r19: reg = ["r19","t3"],// feature high-register
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r20: reg = ["r20","t4"],// feature high-register
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r21: reg = ["r21","t5"],// feature high-register
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r22: reg = ["r22","t6"],// feature high-register
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r23: reg = ["r23","t7"],// feature high-register
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r24: reg = ["r24","t8"],// feature high-register
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r25: reg = ["r25","t9"],// feature high-register
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f0: freg = ["fr0","vr0"],
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f1: freg = ["fr1","vr1"],
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f2: freg = ["fr2","vr2"],
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f3: freg = ["fr3","vr3"],
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f4: freg = ["fr4","vr4"],
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f5: freg = ["fr5","vr5"],
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f6: freg = ["fr6","vr6"],
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f7: freg = ["fr7","vr7"],
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f8: freg = ["fr8","vr8"],
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f9: freg = ["fr9","vr9"],
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f10: freg = ["fr10","vr10"],
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f11: freg = ["fr11","vr11"],
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f12: freg = ["fr12","vr12"],
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f13: freg = ["fr13","vr13"],
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f14: freg = ["fr14","vr14"],
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f15: freg = ["fr15","vr15"],
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f16: freg = ["fr16","vr16"],
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f17: freg = ["fr17","vr17"],
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f18: freg = ["fr18","vr18"],
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f19: freg = ["fr19","vr19"],
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f20: freg = ["fr20","vr20"],
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f21: freg = ["fr21","vr21"],
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f22: freg = ["fr22","vr22"],
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f23: freg = ["fr23","vr23"],
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f24: freg = ["fr24","vr24"],
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f25: freg = ["fr25","vr25"],
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f26: freg = ["fr26","vr26"],
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f27: freg = ["fr27","vr27"],
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f28: freg = ["fr28","vr28"],
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f29: freg = ["fr29","vr29"],
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f30: freg = ["fr30","vr30"],
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f31: freg = ["fr31","vr31"],
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#error = ["r7", "l3"] =>
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"the base pointer cannot be used as an operand for inline asm",
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#error = ["r8","l4"] =>
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"the frame pointer cannot be used as an operand for inline asm",
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#error = ["r14","sp"] =>
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"the stack pointer cannot be used as an operand for inline asm",
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#error = ["r15","lr"] =>
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"the link register cannot be used as an operand for inline asm",
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#error = ["r31","tls"] =>
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"reserver for tls",
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#error = ["r28", "gb", "rgb", "rdb"] =>
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"the global pointer cannot be used as an operand for inline asm",
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#error = ["r26","r27","r29","tb", "rtb", "r30","svbr"] =>
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"reserved by the ABI",
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}
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}
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impl CSKYInlineAsmReg {
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pub fn emit(
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self,
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out: &mut dyn fmt::Write,
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_arch: InlineAsmArch,
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_modifier: Option<char>,
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) -> fmt::Result {
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out.write_str(self.name())
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}
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}
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