GNU C Library master sources branch, master, updated. glibc-2.15-446-g95443d8

[hjl at sourceware dot org]

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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=95443d88afbc732f39fa1d9d36b5adcea8606b54

commit 95443d88afbc732f39fa1d9d36b5adcea8606b54
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Mar 19 17:29:26 2012 -0700

    Use atomic64_t with 64bit atomic macros

diff --git a/ChangeLog b/ChangeLog
index bb13f6d..ae49456 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,16 @@
 2012-03-19  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* sysdeps/x86_64/bits/atomic.h
+	(__arch_c_compare_and_exchange_val_64_acq): Use atomic64_t on
+	64bit integer.
+	(atomic_exchange_acq): Likewise.
+	(__arch_exchange_and_add_body): Likewise.
+	(__arch_add_body): Likewise.
+	(atomic_add_negative): Likewise.
+	(atomic_add_zero): Likewise.
+
+2012-03-19  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* sysdeps/x86_64/bits/mathdef.h: Don't include <bits/wordsize.h>.
 	(fenv_t): Check __x86_64__ instead of __WORDSIZE.
 
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h
index 4b8d2ab..100943f 100644
--- a/sysdeps/x86_64/bits/atomic.h
+++ b/sysdeps/x86_64/bits/atomic.h
@@ -101,8 +101,8 @@ typedef uintmax_t uatomic_max_t;
 		       "lock\n"						      \
 		       "0:\tcmpxchgq %q2, %1"				      \
 		       : "=a" (ret), "=m" (*mem)			      \
-		       : "q" ((long int) (newval)), "m" (*mem),		      \
-			 "0" ((long int)oldval),			      \
+		       : "q" ((atomic64_t) (newval)), "m" (*mem),	      \
+			 "0" ((atomic64_t) (oldval)),		      \
 			 "i" (offsetof (tcbhead_t, multiple_threads)));	      \
      ret; })
 
@@ -125,7 +125,7 @@ typedef uintmax_t uatomic_max_t;
      else								      \
        __asm __volatile ("xchgq %q0, %1"				      \
 			 : "=r" (result), "=m" (*mem)			      \
-			 : "0" ((long) (newvalue)), "m" (*mem));	      \
+			 : "0" ((atomic64_t) (newvalue)), "m" (*mem));	      \
      result; })
 
 
@@ -149,7 +149,7 @@ typedef uintmax_t uatomic_max_t;
      else								      \
        __asm __volatile (lock "xaddq %q0, %1"				      \
 			 : "=r" (result), "=m" (*mem)			      \
-			 : "0" ((long) (value)), "m" (*mem),		      \
+			 : "0" ((atomic64_t) (value)), "m" (*mem),	      \
 			   "i" (offsetof (tcbhead_t, multiple_threads)));     \
      result; })
 
@@ -187,7 +187,7 @@ typedef uintmax_t uatomic_max_t;
     else								      \
       __asm __volatile (lock "addq %q1, %0"				      \
 			: "=m" (*mem)					      \
-			: "ir" ((long) (value)), "m" (*mem),		      \
+			: "ir" ((atomic64_t) (value)), "m" (*mem),	      \
 			  "i" (offsetof (tcbhead_t, multiple_threads)));      \
   } while (0)
 
@@ -218,7 +218,7 @@ typedef uintmax_t uatomic_max_t;
      else								      \
        __asm __volatile (LOCK_PREFIX "addq %q2, %0; sets %1"		      \
 			 : "=m" (*mem), "=qm" (__result)		      \
-			 : "ir" ((long) (value)), "m" (*mem));		      \
+			 : "ir" ((atomic64_t) (value)), "m" (*mem));	      \
      __result; })
 
 
@@ -239,7 +239,7 @@ typedef uintmax_t uatomic_max_t;
      else								      \
        __asm __volatile (LOCK_PREFIX "addq %q2, %0; setz %1"		      \
 			 : "=m" (*mem), "=qm" (__result)		      \
-			 : "ir" ((long) (value)), "m" (*mem));		      \
+			 : "ir" ((atomic64_t) (value)), "m" (*mem));	      \
      __result; })
 
 

http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=24d8f4b7dc85b8f4c8907527ec92c9d2e5fdce7c

commit 24d8f4b7dc85b8f4c8907527ec92c9d2e5fdce7c
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Mar 19 16:21:21 2012 -0700

    Use __asm__("rsp") to get CURRENT_STACK_FRAME

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index ad4725f..ad345f9 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,10 @@
 2012-03-19  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* sysdeps/x86_64/pthreaddef.h (CURRENT_STACK_FRAME): Use
+	register char * __asm__("rsp") to get stack frame.
+
+2012-03-19  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (SYS_futex): Use
 	__NR_futex directly.
 
diff --git a/nptl/sysdeps/x86_64/pthreaddef.h b/nptl/sysdeps/x86_64/pthreaddef.h
index 7e45be4..50587b8 100644
--- a/nptl/sysdeps/x86_64/pthreaddef.h
+++ b/nptl/sysdeps/x86_64/pthreaddef.h
@@ -41,7 +41,7 @@
 
 /* Location of current stack frame.  The frame pointer is not usable.  */
 #define CURRENT_STACK_FRAME \
-  ({ char *frame; asm ("movq %%rsp, %0" : "=r" (frame)); frame; })
+  ({ register char *frame __asm__("rsp"); frame; })
 
 
 /* XXX Until we have a better place keep the definitions here.  */

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                        |   11 +++++++++++
 nptl/ChangeLog                   |    5 +++++
 nptl/sysdeps/x86_64/pthreaddef.h |    2 +-
 sysdeps/x86_64/bits/atomic.h     |   14 +++++++-------
 4 files changed, 24 insertions(+), 8 deletions(-)


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