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PATCH: Use LP_OP(cmp) and RCX_LP on dep_mutex pointer
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Tue, 15 May 2012 09:05:05 -0700
- Subject: PATCH: Use LP_OP(cmp) and RCX_LP on dep_mutex pointer
- References: <20120515155842.GA967@intel.com>
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Hi,
This patch uses LP_OP(cmp) and RCX_LP on dep_mutex pointer. Tested on
Linux/x86-64. OK to install?
Thanks.
H.J.
---
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Use
LP_OP(cmp) and RCX_LP on dep_mutex pointer.
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
index bb9a813..a77b7d5 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
@@ -55,14 +55,14 @@ __pthread_cond_signal:
addl $1, (%rdi)
/* Wake up one thread. */
- cmpq $-1, dep_mutex(%r8)
+ LP_OP(cmp) $-1, dep_mutex(%r8)
movl $FUTEX_WAKE_OP, %esi
movl $1, %edx
movl $SYS_futex, %eax
je 8f
/* Get the address of the mutex used. */
- movq dep_mutex(%r8), %rcx
+ mov dep_mutex(%r8), %RCX_LP
movl MUTEX_KIND(%rcx), %r11d
andl $(ROBUST_BIT|PI_BIT), %r11d
cmpl $PI_BIT, %r11d
@@ -134,7 +134,7 @@ __pthread_cond_signal:
#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
@@ -150,7 +150,7 @@ __pthread_cond_signal:
#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