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Diffstat (limited to 'compiler/rustc_target/src/asm/hexagon.rs')
-rw-r--r-- | compiler/rustc_target/src/asm/hexagon.rs | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/asm/hexagon.rs b/compiler/rustc_target/src/asm/hexagon.rs new file mode 100644 index 000000000..d20270ac9 --- /dev/null +++ b/compiler/rustc_target/src/asm/hexagon.rs @@ -0,0 +1,95 @@ +use super::{InlineAsmArch, InlineAsmType}; +use rustc_macros::HashStable_Generic; +use rustc_span::Symbol; +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<Symbol>)] { + 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"], + 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 = ["r19"] => + "r19 is used internally by LLVM and cannot be used as an operand for inline asm", + #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)) {} +} |