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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-05-15 10:20:15 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-05-15 10:20:15 -0700 |
| commit | 30996e936976ebb9fb2895e6c7e9723077927b07 (patch) | |
| tree | 736769ea5b8bc24771e6d3f9d9201cc77051e61d | |
| parent | 289ac4352aa9ac63474e03022a5ad395d8346ee5 (diff) | |
| download | glibc-30996e936976ebb9fb2895e6c7e9723077927b07.zip glibc-30996e936976ebb9fb2895e6c7e9723077927b07.tar.gz glibc-30996e936976ebb9fb2895e6c7e9723077927b07.tar.bz2 | |
Use LP_OP(cmp) and RCX_LP on dep_mutex pointer
| -rw-r--r-- | nptl/ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S | 12 |
2 files changed, 11 insertions, 6 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 68bae39..a7f93b5 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,10 @@ 2012-05-15 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S: Use + LP_OP(cmp) and R8_LP on dep_mutex pointer. + +2012-05-15 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/unix/sysv/linux/x86_64/cancellation.S: Use LP_OP(mov) to update pointer in memory. Load pointer into RDI_LP. diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S index 0db3af1..7b0eec1 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S @@ -59,14 +59,14 @@ __pthread_cond_broadcast: incl broadcast_seq-cond_futex(%rdi) /* Get the address of the mutex used. */ - movq dep_mutex-cond_futex(%rdi), %r8 + mov dep_mutex-cond_futex(%rdi), %R8_LP /* Unlock. */ LOCK decl cond_lock-cond_futex(%rdi) jne 7f -8: cmpq $-1, %r8 +8: cmp $-1, %R8_LP je 9f /* Do not use requeue for pshared condvars. */ @@ -128,7 +128,7 @@ __pthread_cond_broadcast: #if cond_lock != 0 addq $cond_lock, %rdi #endif - cmpq $-1, dep_mutex-cond_lock(%rdi) + LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi) movl $LLL_PRIVATE, %eax movl $LLL_SHARED, %esi cmovne %eax, %esi @@ -140,7 +140,7 @@ __pthread_cond_broadcast: /* Unlock in loop requires wakeup. */ 5: addq $cond_lock-cond_futex, %rdi - cmpq $-1, dep_mutex-cond_lock(%rdi) + LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi) movl $LLL_PRIVATE, %eax movl $LLL_SHARED, %esi cmovne %eax, %esi @@ -149,7 +149,7 @@ __pthread_cond_broadcast: /* Unlock in loop requires wakeup. */ 7: addq $cond_lock-cond_futex, %rdi - cmpq $-1, %r8 + cmp $-1, %R8_LP movl $LLL_PRIVATE, %eax movl $LLL_SHARED, %esi cmovne %eax, %esi @@ -158,7 +158,7 @@ __pthread_cond_broadcast: jmp 8b 9: /* The futex requeue functionality is not available. */ - cmpq $-1, %r8 + cmp $-1, %R8_LP movl $0x7fffffff, %edx #ifdef __ASSUME_PRIVATE_FUTEX movl $FUTEX_WAKE, %eax |