bjoernager/rust
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Remove unnecessary check for registers

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`is_clobber()` already checks if `reg` is a register and the both
values should be the same.
This commit is contained in:
Yuki Okushi 2021-10-19 11:34:58 +09:00
parent f5cbb9b9e6
commit 630df7c54a
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1 changed files with 1 additions and 3 deletions
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4
compiler/rustc_ast_lowering/src/asm.rs
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@ -214,9 +214,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// means that we disallow passing a value in/out of the asm and
// require that the operand name an explicit register, not a
// register class.
if reg_class.is_clobber_only(asm_arch.unwrap())
&& !(op.is_clobber() && matches!(reg, asm::InlineAsmRegOrRegClass::Reg(_)))
{
if reg_class.is_clobber_only(asm_arch.unwrap()) && !op.is_clobber() {
let msg = format!(
"register class `{}` can only be used as a clobber, \
not as an input or output",