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Auto merge of #77272 - jonas-schievink:rollup-dydo5kn, r=jonas-schievink
Rollup of 7 pull requests Successful merges: - #76839 (Add asm! support for MIPS) - #77203 (Check for missing const-stability attributes in `rustc_passes`) - #77249 (Separate `private_intra_doc_links` and `broken_intra_doc_links` into separate lints) - #77252 (reduce overlong line) - #77256 (Fix typo in ExpnData documentation) - #77262 (Remove duplicate comment) - #77263 (Clean up trivial if let) Failed merges: r? `@ghost`
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| use super::{InlineAsmArch, InlineAsmType}; | ||
| use rustc_macros::HashStable_Generic; | ||
| use std::fmt; | ||
|
|
||
| def_reg_class! { | ||
| Mips MipsInlineAsmRegClass { | ||
| reg, | ||
| freg, | ||
| } | ||
| } | ||
|
|
||
| impl MipsInlineAsmRegClass { | ||
| 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 => types! { _: I8, I16, I32, F32; }, | ||
| Self::freg => types! { _: F32; }, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // The reserved registers are somewhat taken from <https://git.io/JUR1k#L150>. | ||
| def_regs! { | ||
| Mips MipsInlineAsmReg MipsInlineAsmRegClass { | ||
| v0: reg = ["$2", "$v0"], | ||
| v1: reg = ["$3", "$v1"], | ||
| a0: reg = ["$4", "$a0"], | ||
| a1: reg = ["$5", "$a1"], | ||
| a2: reg = ["$6", "$a2"], | ||
| a3: reg = ["$7", "$a3"], | ||
| // FIXME: Reserve $t0, $t1 if in mips16 mode. | ||
| t0: reg = ["$8", "$t0"], | ||
| t1: reg = ["$9", "$t1"], | ||
| t2: reg = ["$10", "$t2"], | ||
| t3: reg = ["$11", "$t3"], | ||
| t4: reg = ["$12", "$t4"], | ||
| t5: reg = ["$13", "$t5"], | ||
| t6: reg = ["$14", "$t6"], | ||
| t7: reg = ["$15", "$t7"], | ||
| s0: reg = ["$16", "$s0"], | ||
| s1: reg = ["$17", "$s1"], | ||
| s2: reg = ["$18", "$s2"], | ||
| s3: reg = ["$19", "$s3"], | ||
| s4: reg = ["$20", "$s4"], | ||
| s5: reg = ["$21", "$s5"], | ||
| s6: reg = ["$22", "$s6"], | ||
| s7: reg = ["$23", "$s7"], | ||
| t8: reg = ["$24", "$t8"], | ||
| t9: reg = ["$25", "$t9"], | ||
| f0: freg = ["$f0"], | ||
| f1: freg = ["$f1"], | ||
| f2: freg = ["$f2"], | ||
| f3: freg = ["$f3"], | ||
| f4: freg = ["$f4"], | ||
| f5: freg = ["$f5"], | ||
| f6: freg = ["$f6"], | ||
| f7: freg = ["$f7"], | ||
| f8: freg = ["$f8"], | ||
| f9: freg = ["$f9"], | ||
| f10: freg = ["$f10"], | ||
| f11: freg = ["$f11"], | ||
| f12: freg = ["$f12"], | ||
| f13: freg = ["$f13"], | ||
| f14: freg = ["$f14"], | ||
| f15: freg = ["$f15"], | ||
| f16: freg = ["$f16"], | ||
| f17: freg = ["$f17"], | ||
| f18: freg = ["$f18"], | ||
| f19: freg = ["$f19"], | ||
| f20: freg = ["$f20"], | ||
| f21: freg = ["$f21"], | ||
| f22: freg = ["$f22"], | ||
| f23: freg = ["$f23"], | ||
| f24: freg = ["$f24"], | ||
| f25: freg = ["$f25"], | ||
| f26: freg = ["$f26"], | ||
| f27: freg = ["$f27"], | ||
| f28: freg = ["$f28"], | ||
| f29: freg = ["$f29"], | ||
| f30: freg = ["$f30"], | ||
| f31: freg = ["$f31"], | ||
| #error = ["$0", "$zero"] => | ||
| "constant zero cannot be used as an operand for inline asm", | ||
| #error = ["$1", "$at"] => | ||
| "reserved for assembler (Assembler Temp)", | ||
| #error = ["$26", "$k0"] => | ||
| "OS-reserved register cannot be used as an operand for inline asm", | ||
| #error = ["$27", "$k1"] => | ||
| "OS-reserved register cannot be used as an operand for inline asm", | ||
| #error = ["$28", "$gp"] => | ||
| "the global pointer cannot be used as an operand for inline asm", | ||
| #error = ["$29", "$sp"] => | ||
| "the stack pointer cannot be used as an operand for inline asm", | ||
| #error = ["$30", "$s8", "$fp"] => | ||
| "the frame pointer cannot be used as an operand for inline asm", | ||
| #error = ["$31", "$ra"] => | ||
| "the return address register cannot be used as an operand for inline asm", | ||
| } | ||
| } | ||
|
|
||
| impl MipsInlineAsmReg { | ||
| pub fn emit( | ||
| self, | ||
| out: &mut dyn fmt::Write, | ||
| _arch: InlineAsmArch, | ||
| _modifier: Option<char>, | ||
| ) -> fmt::Result { | ||
| out.write_str(self.name()) | ||
| } | ||
| } |
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