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s390/atomic_ops: Disable flag outputs constraint for GCC versions below 14.2.0

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GCC may die with an ICE if the flag outputs constraint is used in
combination with other inline assemblies. This will be fixed with
GCC 14.2.0.

Therefore disable the use of the constraint for now.

Link: https://gcc.gnu.org/git?p=gcc.git;a=commit;h=cd11413ff7c4353a3e336db415304f788d23a393
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-07-22 15:41:13 +02:00 committed by Vasily Gorbik
parent fc8eac33ad
commit 13be21f39a
1 changed files with 2 additions and 1 deletions
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3
arch/s390/include/asm/atomic_ops.h
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@ -188,7 +188,8 @@ static __always_inline long __atomic64_cmpxchg(long *ptr, long old, long new)
return old;
}
#ifdef __GCC_ASM_FLAG_OUTPUTS__
/* GCC versions before 14.2.0 may die with an ICE in some configurations. */
#if defined(__GCC_ASM_FLAG_OUTPUTS__) && !(IS_ENABLED(CONFIG_CC_IS_GCC) && (GCC_VERSION < 140200))
static __always_inline bool __atomic_cmpxchg_bool(int *ptr, int old, int new)
{