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author | Bruno Haible <bruno@clisp.org> | 2021-03-03 13:32:41 +0100 |
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committer | Bruno Haible <bruno@clisp.org> | 2021-03-03 13:36:28 +0100 |
commit | 65470c21733b0850656503f09f9878e2780b7984 (patch) | |
tree | 1e7aee5f484b05ea2027b21662d8204168b1867d /lib/asyncsafe-spin.c | |
parent | 3b0808afa4236e6fa221eac2ec25dc2a8ef09557 (diff) | |
download | gnulib-65470c21733b0850656503f09f9878e2780b7984.tar.gz |
asyncsafe-spin, simple-atomic: Add support for tcc.
* lib/asyncsafe-spin.c (memory_barrier, atomic_compare_and_swap): On
i386 and x86_64, treat tcc like older GCC or clang.
* lib/simple-atomic.c (memory_barrier, atomic_compare_and_swap,
atomic_compare_and_swap_ptr): Likewise.
Diffstat (limited to 'lib/asyncsafe-spin.c')
-rw-r--r-- | lib/asyncsafe-spin.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/asyncsafe-spin.c b/lib/asyncsafe-spin.c index ba22b9c1e5..cece6230d5 100644 --- a/lib/asyncsafe-spin.c +++ b/lib/asyncsafe-spin.c @@ -190,7 +190,7 @@ do_unlock (asyncsafe_spinlock_t *lock) abort (); } -# elif (defined __GNUC__ || defined __clang__ || defined __SUNPRO_C) && (defined __sparc || defined __i386 || defined __x86_64__) +# elif ((defined __GNUC__ || defined __clang__ || defined __SUNPRO_C) && (defined __sparc || defined __i386 || defined __x86_64__)) || (defined __TINYC__ && (defined __i386 || defined __x86_64__)) /* For older versions of GCC or clang, use inline assembly. GCC, clang, and the Oracle Studio C 12 compiler understand GCC's extended asm syntax, but the plain Oracle Studio C 11 compiler understands only @@ -200,7 +200,7 @@ do_unlock (asyncsafe_spinlock_t *lock) static void memory_barrier (void) { -# if defined __GNUC__ || defined __clang__ || __SUNPRO_C >= 0x590 +# if defined __GNUC__ || defined __clang__ || __SUNPRO_C >= 0x590 || defined __TINYC__ # if defined __i386 || defined __x86_64__ asm volatile ("mfence"); # endif @@ -223,7 +223,7 @@ static unsigned int atomic_compare_and_swap (volatile unsigned int *vp, unsigned int cmp, unsigned int newval) { -# if defined __GNUC__ || defined __clang__ || __SUNPRO_C >= 0x590 +# if defined __GNUC__ || defined __clang__ || __SUNPRO_C >= 0x590 || defined __TINYC__ unsigned int oldval; # if defined __i386 || defined __x86_64__ asm volatile (" lock\n cmpxchgl %3,(%1)" |