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Re: [PATCH] Fix asm constraints in sysdeps/mach/i386/machine-lock.h

From: Richard Henderson <rth at twiddle dot net>
To: Samuel Thibault <samuel dot thibault at ens-lyon dot org>
Cc: libc-alpha at sources dot redhat dot com, roland at gnu dot org
Date: Tue, 12 Aug 2008 08:48:22 -0700
Subject: Re: [PATCH] Fix asm constraints in sysdeps/mach/i386/machine-lock.h
References: <20080811233732.GN4526@implementation>

FYI,

@@ -38,18 +38,18 @@
    __asm__ __volatile ("xchgl %0, %1"
 		       : "=&r" (__unlocked), "=m" (*__lock) : "0" (0)
-		       : : "memory");
+		       : "memory");

__sync_lock_release (__lock);

   __asm__ __volatile ("xchgl %0, %1"
 		      : "=&r" (__locked), "=m" (*__lock) : "0" (1)
-		      : : "memory");
+		      : "memory");

__locked = __sync_lock_test_and_set(__lock, 1);

r~

Follow-Ups:
- Re: [PATCH] Fix asm constraints in sysdeps/mach/i386/machine-lock.h
  - From: Samuel Thibault

References:
- [PATCH] Fix asm constraints in sysdeps/mach/i386/machine-lock.h
  - From: Samuel Thibault

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