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| author | Bruno Haible <bruno@clisp.org> | 2020-07-03 12:35:45 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2020-07-03 12:37:03 +0200 |
| commit | cb38aa3df6a57b1206b33736939e9f9cfff297ad (patch) | |
| tree | e00cb7f12ea8dee96e74e62deb8c023f789a5326 /lib/asyncsafe-spin.c | |
| parent | 6b91be0bcbe64077d1c6a380c4597943e710734c (diff) | |
| download | gnulib-cb38aa3df6a57b1206b33736939e9f9cfff297ad.tar.gz | |
asyncsafe-spin: Use GCC extended asm syntax for SunStudio 12 compiler.
* lib/asyncsafe-spin.c (memory_barrier, atomic_compare_and_swap): Use
the GCC extended asm syntax also for the Sun Studio 12 compilers.
Diffstat (limited to 'lib/asyncsafe-spin.c')
| -rw-r--r-- | lib/asyncsafe-spin.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/asyncsafe-spin.c b/lib/asyncsafe-spin.c index 81e48ad43e..6ea5781b36 100644 --- a/lib/asyncsafe-spin.c +++ b/lib/asyncsafe-spin.c @@ -186,14 +186,14 @@ do_unlock (asyncsafe_spinlock_t *lock) # elif (defined __GNUC__ || defined __SUNPRO_C) && (defined __sparc || defined __i386 || defined __x86_64__) /* For older versions of GCC, use inline assembly. - GCC and the Oracle Studio C compiler understand GCC's extended asm syntax, - but the plain Solaris cc understands only simple asm. */ + GCC and the Oracle Studio C 12 compiler understand GCC's extended asm syntax, + but the plain Oracle Studio C 11 compiler understands only simple asm. */ /* An implementation that verifies the unlocks. */ static void memory_barrier (void) { -# if defined __GNUC__ +# if defined __GNUC__ || __SUNPRO_C >= 0x590 # if defined __i386 || defined __x86_64__ asm volatile ("mfence"); # endif @@ -216,7 +216,7 @@ static unsigned int atomic_compare_and_swap (volatile unsigned int *vp, unsigned int cmp, unsigned int newval) { -# if defined __GNUC__ +# if defined __GNUC__ || __SUNPRO_C >= 0x590 unsigned int oldval; # if defined __i386 || defined __x86_64__ asm volatile (" lock\n cmpxchgl %3,(%1)" |