rust/compiler/rustc_target/src/asm/nvptx.rs
2020-08-30 18:45:07 +03:00

50 lines
1.2 KiB
Rust

use super::{InlineAsmArch, InlineAsmType};
use rustc_macros::HashStable_Generic;
def_reg_class! {
Nvptx NvptxInlineAsmRegClass {
reg16,
reg32,
reg64,
}
}
impl NvptxInlineAsmRegClass {
pub fn valid_modifiers(self, _arch: 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::reg16 => types! { _: I8, I16; },
Self::reg32 => types! { _: I8, I16, I32, F32; },
Self::reg64 => types! { _: I8, I16, I32, F32, I64, F64; },
}
}
}
def_regs! {
// Registers in PTX are declared in the assembly.
// There are no predefined registers that one can use.
Nvptx NvptxInlineAsmReg NvptxInlineAsmRegClass {}
}