142 lines
4.7 KiB
Rust
142 lines
4.7 KiB
Rust
use super::{InlineAsmArch, InlineAsmType};
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use rustc_macros::HashStable_Generic;
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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<(char, &'static str)> {
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None
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}
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pub fn default_modifier(self, _arch: InlineAsmArch) -> Option<(char, &'static str)> {
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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, I64, F32, F64; },
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Self::freg => types! { _: F32, F64; },
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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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// r7: reg = ["r7","l3"],
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// r8: reg = ["r8","l4"],
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// r9: reg = ["r9","l5"],
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// r10: reg = ["r10","l6"],
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// r11: reg = ["r11","l7"],
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// r12: reg = ["r12","t0"],
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// r13: reg = ["r13","t1"],
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// r14: reg = ["r14","sp"],
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// r15: reg = ["r15","lr"],
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// r16: reg = ["r16","l8"],
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// r17: reg = ["r17","l9"],
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// r18: reg = ["r18","t2"],
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// r19: reg = ["r19","t3"],
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// r20: reg = ["r20","t4"],
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// r21: reg = ["r21","t5"],
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// r22: reg = ["r22","t6"],
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// r23: reg = ["r23","t7", "fp"],
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// r24: reg = ["r24","t8", "sop"],
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// r25: reg = ["r25","tp", "bsp"],
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// r26: reg = ["r26"],
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// r27: reg = ["r27"],
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// r28: reg = ["r28","gb", "rgb", "rdb"],
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// r29: reg = ["r29","tb", "rtb"],
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// r30: reg = ["r30","svbr"],
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// r31: reg = ["r31","tls"],
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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 = ["r9","l5", "r10","l6", "r11","l7", "r12","t0", "r13","t1"] =>
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"reserved (no E2)",
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#error = ["r16","l8", "r17","l9", "r18","t2", "r19","t3", "r20","t4", "r21","t5", "r22","t6", "r23","t7", "fp", "r24","t8", "sop", "r25","tp", "bsp"] =>
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"reserved (no HighRegisters)",
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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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