From: Uros Bizjak <uros@gcc.gnu.org>
Date: Fri, 5 Jun 2015 10:56:14 +0000 (+0200)
Subject: futex.h (futex_wait): Remove doouble initialization.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6aa54a8b25a99455f8bb69436b5d850bbce0d5ce;p=gcc.git

futex.h (futex_wait): Remove doouble initialization.

	* config/linux/x86/futex.h (futex_wait) [__x86_64__]:
	Remove doouble initialization.

From-SVN: r224150
---

diff --git a/libgomp/config/linux/x86/futex.h b/libgomp/config/linux/x86/futex.h
index 0fe50e851cc..8f934c0c63d 100644
--- a/libgomp/config/linux/x86/futex.h
+++ b/libgomp/config/linux/x86/futex.h
@@ -33,10 +33,9 @@
 static inline void
 futex_wait (int *addr, int val)
 {
-  register long r10 __asm__("%r10");
   long res;
 
-  r10 = 0;
+  register long r10 __asm__("%r10") = 0;
   __asm volatile ("syscall"
 		  : "=a" (res)
 		  : "0" (SYS_futex), "D" (addr), "S" (gomp_futex_wait),
@@ -46,7 +45,6 @@ futex_wait (int *addr, int val)
     {
       gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG;
       gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG;
-      r10 = 0;
       __asm volatile ("syscall"
 		      : "=a" (res)
 		      : "0" (SYS_futex), "D" (addr), "S" (gomp_futex_wait),