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[AArch64] Fix incorrect regalloc constraints for atomic_cas (#4959)

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* [AArch64] Fix incorrect regalloc constraints for atomic_cas

* Update test for latest Cranelift changes
This commit is contained in:
bjorn3
2022-09-26 18:05:57 +02:00
committed by GitHub
parent 3a2b32bf4d
commit af226d37c2
2 changed files with 34 additions and 2 deletions
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4
cranelift/codegen/src/isa/aarch64/inst/mod.rs
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@@ -726,8 +726,8 @@ fn aarch64_get_operands<F: Fn(VReg) -> VReg>(inst: &Inst, collector: &mut Operan
collector.reg_fixed_use(addr, xreg(25));
collector.reg_fixed_use(expected, xreg(26));
collector.reg_fixed_use(replacement, xreg(28));
collector.reg_fixed_def(oldval, xreg(24));
collector.reg_fixed_def(scratch, xreg(27));
collector.reg_fixed_def(oldval, xreg(27));
collector.reg_fixed_def(scratch, xreg(24));
}
&Inst::LoadAcquire { rt, rn, .. } => {
collector.reg_use(rn);