| use super::{InlineAsmArch, InlineAsmType}; |
| use rustc_macros::HashStable_Generic; |
| use rustc_span::Symbol; |
| use std::fmt; |
| |
| def_reg_class! { |
| CSKY CSKYInlineAsmRegClass { |
| reg, |
| freg, |
| } |
| } |
| |
| impl CSKYInlineAsmRegClass { |
| 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; }, |
| Self::freg => types! { _: F32; }, |
| } |
| } |
| } |
| |
| // The reserved registers are taken from <https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/CSKY/CSKYRegisterInfo.cpp#79> |
| def_regs! { |
| CSKY CSKYInlineAsmReg CSKYInlineAsmRegClass { |
| r0: reg = ["r0","a0"], |
| r1: reg = ["r1","a1"], |
| r2: reg = ["r2","a2"], |
| r3: reg = ["r3","a3"], |
| r4: reg = ["r4","l0"], |
| r5: reg = ["r5","l1"], |
| r6: reg = ["r6","l2"], |
| r9: reg = ["r9","l5"],// feature e2 |
| r10: reg = ["r10","l6"],// feature e2 |
| r11: reg = ["r11","l7"],// feature e2 |
| r12: reg = ["r12","t0"],// feature e2 |
| r13: reg = ["r13","t1"],// feature e2 |
| r16: reg = ["r16","l8"],// feature high-register |
| r17: reg = ["r17","l9"],// feature high-register |
| r18: reg = ["r18","t2"],// feature high-register |
| r19: reg = ["r19","t3"],// feature high-register |
| r20: reg = ["r20","t4"],// feature high-register |
| r21: reg = ["r21","t5"],// feature high-register |
| r22: reg = ["r22","t6"],// feature high-register |
| r23: reg = ["r23","t7", "fp"],// feature high-register |
| r24: reg = ["r24","t8", "sop"],// feature high-register |
| r25: reg = ["r25","t9","tp", "bsp"],// feature high-register |
| f0: freg = ["fr0","vr0"], |
| f1: freg = ["fr1","vr1"], |
| f2: freg = ["fr2","vr2"], |
| f3: freg = ["fr3","vr3"], |
| f4: freg = ["fr4","vr4"], |
| f5: freg = ["fr5","vr5"], |
| f6: freg = ["fr6","vr6"], |
| f7: freg = ["fr7","vr7"], |
| f8: freg = ["fr8","vr8"], |
| f9: freg = ["fr9","vr9"], |
| f10: freg = ["fr10","vr10"], |
| f11: freg = ["fr11","vr11"], |
| f12: freg = ["fr12","vr12"], |
| f13: freg = ["fr13","vr13"], |
| f14: freg = ["fr14","vr14"], |
| f15: freg = ["fr15","vr15"], |
| f16: freg = ["fr16","vr16"], |
| f17: freg = ["fr17","vr17"], |
| f18: freg = ["fr18","vr18"], |
| f19: freg = ["fr19","vr19"], |
| f20: freg = ["fr20","vr20"], |
| f21: freg = ["fr21","vr21"], |
| f22: freg = ["fr22","vr22"], |
| f23: freg = ["fr23","vr23"], |
| f24: freg = ["fr24","vr24"], |
| f25: freg = ["fr25","vr25"], |
| f26: freg = ["fr26","vr26"], |
| f27: freg = ["fr27","vr27"], |
| f28: freg = ["fr28","vr28"], |
| f29: freg = ["fr29","vr29"], |
| f30: freg = ["fr30","vr30"], |
| f31: freg = ["fr31","vr31"], |
| #error = ["r7", "l3"] => |
| "the base pointer cannot be used as an operand for inline asm", |
| #error = ["r8","l4"] => |
| "the frame pointer cannot be used as an operand for inline asm", |
| #error = ["r14","sp"] => |
| "the stack pointer cannot be used as an operand for inline asm", |
| #error = ["r15","lr"] => |
| "the link register cannot be used as an operand for inline asm", |
| #error = ["r31","tls"] => |
| "reserver for tls", |
| #error = ["r28", "gb", "rgb", "rdb"] => |
| "the global pointer cannot be used as an operand for inline asm", |
| #error = ["r26","r27","r29","tb", "rtb", "r30","svbr"] => |
| "reserved by the ABI", |
| } |
| } |
| |
| impl CSKYInlineAsmReg { |
| pub fn emit( |
| self, |
| out: &mut dyn fmt::Write, |
| _arch: InlineAsmArch, |
| _modifier: Option<char>, |
| ) -> fmt::Result { |
| out.write_str(self.name()) |
| } |
| } |