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Add initial asm!() support for hexagon
GPRs only
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| use super::{InlineAsmArch, InlineAsmType}; | ||
| use rustc_macros::HashStable_Generic; | ||
| use std::fmt; | ||
|
|
||
| def_reg_class! { | ||
| Hexagon HexagonInlineAsmRegClass { | ||
| reg, | ||
| } | ||
| } | ||
|
|
||
| impl HexagonInlineAsmRegClass { | ||
| 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; }, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| def_regs! { | ||
| Hexagon HexagonInlineAsmReg HexagonInlineAsmRegClass { | ||
| r0: reg = ["r0"], | ||
| r1: reg = ["r1"], | ||
| r2: reg = ["r2"], | ||
| r3: reg = ["r3"], | ||
| r4: reg = ["r4"], | ||
| r5: reg = ["r5"], | ||
| r6: reg = ["r6"], | ||
| r7: reg = ["r7"], | ||
| r8: reg = ["r8"], | ||
| r9: reg = ["r9"], | ||
| r10: reg = ["r10"], | ||
| r11: reg = ["r11"], | ||
| r12: reg = ["r12"], | ||
| r13: reg = ["r13"], | ||
| r14: reg = ["r14"], | ||
| r15: reg = ["r15"], | ||
| r16: reg = ["r16"], | ||
| r17: reg = ["r17"], | ||
| r18: reg = ["r18"], | ||
| r19: reg = ["r19"], | ||
| r20: reg = ["r20"], | ||
| r21: reg = ["r21"], | ||
| r22: reg = ["r22"], | ||
| r23: reg = ["r23"], | ||
| r24: reg = ["r24"], | ||
| r25: reg = ["r25"], | ||
| r26: reg = ["r26"], | ||
| r27: reg = ["r27"], | ||
| r28: reg = ["r28"], | ||
| #error = ["r29", "sp"] => | ||
| "the stack pointer cannot be used as an operand for inline asm", | ||
| #error = ["r30", "fr"] => | ||
| "the frame register cannot be used as an operand for inline asm", | ||
| #error = ["r31", "lr"] => | ||
| "the link register cannot be used as an operand for inline asm", | ||
| } | ||
| } | ||
|
|
||
| impl HexagonInlineAsmReg { | ||
| pub fn emit( | ||
| self, | ||
| out: &mut dyn fmt::Write, | ||
| _arch: InlineAsmArch, | ||
| _modifier: Option<char>, | ||
| ) -> fmt::Result { | ||
| out.write_str(self.name()) | ||
| } | ||
|
|
||
| pub fn overlapping_regs(self, mut _cb: impl FnMut(HexagonInlineAsmReg)) {} | ||
| } |
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