diff options
Diffstat (limited to 'compiler/rustc_target/src/asm/mod.rs')
| -rw-r--r-- | compiler/rustc_target/src/asm/mod.rs | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs index 2c5ad1aa8bf..c6ab5bed6d3 100644 --- a/compiler/rustc_target/src/asm/mod.rs +++ b/compiler/rustc_target/src/asm/mod.rs @@ -604,9 +604,13 @@ impl InlineAsmRegClass { /// Returns a list of supported types for this register class, each with an /// options target feature required to use this type. + /// + /// At the codegen stage, it is fine to always pass true for `allow_experimental_reg`, + /// since all the stability checking will have been done in prior stages. pub fn supported_types( self, arch: InlineAsmArch, + allow_experimental_reg: bool, ) -> &'static [(InlineAsmType, Option<Symbol>)] { match self { Self::X86(r) => r.supported_types(arch), @@ -618,7 +622,7 @@ impl InlineAsmRegClass { Self::Hexagon(r) => r.supported_types(arch), Self::LoongArch(r) => r.supported_types(arch), Self::Mips(r) => r.supported_types(arch), - Self::S390x(r) => r.supported_types(arch), + Self::S390x(r) => r.supported_types(arch, allow_experimental_reg), Self::Sparc(r) => r.supported_types(arch), Self::SpirV(r) => r.supported_types(arch), Self::Wasm(r) => r.supported_types(arch), @@ -696,8 +700,11 @@ impl InlineAsmRegClass { /// Returns whether registers in this class can only be used as clobbers /// and not as inputs/outputs. - pub fn is_clobber_only(self, arch: InlineAsmArch) -> bool { - self.supported_types(arch).is_empty() + /// + /// At the codegen stage, it is fine to always pass true for `allow_experimental_reg`, + /// since all the stability checking will have been done in prior stages. + pub fn is_clobber_only(self, arch: InlineAsmArch, allow_experimental_reg: bool) -> bool { + self.supported_types(arch, allow_experimental_reg).is_empty() } } |