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From: Sebastian Pop <spop@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/AWS/heads/Arm64/gcc-7-branch)] Add early clobber for aarch64_store_exclusive. Date: Thu, 1 Oct 2020 16:37:28 +0000 (GMT) [thread overview] Message-ID: <20201001163728.956F3398BC0D@sourceware.org> (raw) https://gcc.gnu.org/g:b8e2b779d1815147073e9dcb04a1f8f9d96b1a62 commit b8e2b779d1815147073e9dcb04a1f8f9d96b1a62 Author: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> Date: Mon Jul 16 09:03:48 2018 +0000 Add early clobber for aarch64_store_exclusive. 2018-07-16 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> gcc/ * config/aarch64/atomics.md (aarch64_store_execlusive<mode>): Add early clobber. (cherry picked from commit 1d896f48fa2f796ba13773ab735ef40fa3afb257) Diff: --- gcc/config/aarch64/atomics.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/config/aarch64/atomics.md b/gcc/config/aarch64/atomics.md index 27fc1933ce3..eb4b95c2453 100644 --- a/gcc/config/aarch64/atomics.md +++ b/gcc/config/aarch64/atomics.md @@ -530,7 +530,7 @@ ) (define_insn "aarch64_store_exclusive<mode>" - [(set (match_operand:SI 0 "register_operand" "=r") + [(set (match_operand:SI 0 "register_operand" "=&r") (unspec_volatile:SI [(const_int 0)] UNSPECV_SX)) (set (match_operand:ALLI 1 "aarch64_sync_memory_operand" "=Q") (unspec_volatile:ALLI
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