Re: [PATCH] aarch64: Fix TImode __sync_*_compare_and_exchange expansion with LSE [PR114310]

On Thu, Mar 14, 2024 at 11:49:14AM +, Richard Earnshaw (lists) wrote: > On 14/03/2024 08:37, Jakub Jelinek wrote: > > Hi! > > > > The following testcase ICEs with LSE atomics. > > The problem is that the @atomic_compare_and_swap expander uses > > aarch64_reg_or_zero predicate for the desired

Re: [PATCH] aarch64: Fix TImode __sync_*_compare_and_exchange expansion with LSE [PR114310]

On 14/03/2024 08:37, Jakub Jelinek wrote: Hi! The following testcase ICEs with LSE atomics. The problem is that the @atomic_compare_and_swap expander uses aarch64_reg_or_zero predicate for the desired operand, which is fine, given that for most of the modes and even for TImode in some cases

[PATCH] aarch64: Fix TImode __sync_*_compare_and_exchange expansion with LSE [PR114310]

Hi! The following testcase ICEs with LSE atomics. The problem is that the @atomic_compare_and_swap expander uses aarch64_reg_or_zero predicate for the desired operand, which is fine, given that for most of the modes and even for TImode in some cases it can handle zero immediate just fine, but the