diff options
Diffstat (limited to 'innobase/sync/sync0sync.c')
| -rw-r--r-- | innobase/sync/sync0sync.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/innobase/sync/sync0sync.c b/innobase/sync/sync0sync.c index 7b387946d82..178511b8996 100644 --- a/innobase/sync/sync0sync.c +++ b/innobase/sync/sync0sync.c @@ -167,46 +167,6 @@ struct sync_level_struct{ ulint level; /* level of the latch in the latching order */ }; - -#if defined(notdefined) && defined(__GNUC__) && defined(UNIV_INTEL_X86) - -ulint -sync_gnuc_intelx86_test_and_set( - /* out: old value of the lock word */ - ulint* lw) /* in: pointer to the lock word */ -{ - ulint res; - - /* In assembly we use the so-called AT & T syntax where - the order of operands is inverted compared to the ordinary Intel - syntax. The 'l' after the mnemonics denotes a 32-bit operation. - The line after the code tells which values come out of the asm - code, and the second line tells the input to the asm code. */ - - asm volatile("movl $1, %%eax; xchgl (%%ecx), %%eax" : - "=eax" (res), "=m" (*lw) : - "ecx" (lw)); - return(res); -} - -void -sync_gnuc_intelx86_reset( - ulint* lw) /* in: pointer to the lock word */ -{ - /* In assembly we use the so-called AT & T syntax where - the order of operands is inverted compared to the ordinary Intel - syntax. The 'l' after the mnemonics denotes a 32-bit operation. */ - - asm volatile("movl $0, %%eax; xchgl (%%ecx), %%eax" : - "=m" (*lw) : - "ecx" (lw) : - "eax"); /* gcc does not seem to understand - that our asm code resets eax: tell it - explicitly that after the third ':' */ -} - -#endif - /********************************************************************** Creates, or rather, initializes a mutex object in a specified memory location (which must be appropriately aligned). The mutex is initialized |