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Add shim for core::hint::spin_loop() on riscv64

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This commit is contained in:
bjorn3 2023-10-21 16:52:09 +00:00
parent 78cd77f1f1
commit 1848d25a83
1 changed files with 10 additions and 0 deletions
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10
src/inline_asm.rs
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@ -149,6 +149,16 @@ pub(crate) fn codegen_inline_asm<'tcx>(
return; return;
} }
// Used by core::hint::spin_loop()
if template[0]
== InlineAsmTemplatePiece::String(".insn i 0x0F, 0, x0, x0, 0x010".to_string())
&& template.len() == 1
{
let destination_block = fx.get_block(destination.unwrap());
fx.bcx.ins().jump(destination_block, &[]);
return;
}
// Used by measureme // Used by measureme
if template[0] == InlineAsmTemplatePiece::String("xor %eax, %eax".to_string()) if template[0] == InlineAsmTemplatePiece::String("xor %eax, %eax".to_string())
&& template[1] == InlineAsmTemplatePiece::String("\n".to_string()) && template[1] == InlineAsmTemplatePiece::String("\n".to_string())