From be886286218f7b11a4bfcc754f7abcae0b345beb Mon Sep 17 00:00:00 2001 From: Andrew Pinski Date: Thu, 25 Dec 2003 04:27:58 +0000 Subject: [PATCH] atomicity.h (__exchange_and_add): Fix output constraint. * config/cpu/i386/atomicity.h (__exchange_and_add): Fix output constraint. From-SVN: r75017 --- libstdc++-v3/ChangeLog | 5 ++++- libstdc++-v3/config/cpu/i386/atomicity.h | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 27b3a4b3495..72cbfbba945 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,7 +1,10 @@ 2003-12-24 Andrew Pinski + * config/cpu/i386/atomicity.h (__exchange_and_add): Fix output + constraint. + PR libstdc++/13480 - * config/cpu/i486/atomicity.h: Split up read-write memory operand. + * config/cpu/i386/atomicity.h: Split up read-write memory operand. 2003-12-23 Benjamin Kosnik diff --git a/libstdc++-v3/config/cpu/i386/atomicity.h b/libstdc++-v3/config/cpu/i386/atomicity.h index 8905d78d87a..7a949c30fa5 100644 --- a/libstdc++-v3/config/cpu/i386/atomicity.h +++ b/libstdc++-v3/config/cpu/i386/atomicity.h @@ -52,7 +52,7 @@ __exchange_and_add(volatile _Atomic_word* __mem, int __val) /* obtain the atomic exchange/add spin lock */ do { __asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}" - : "m" (__Atomicity_lock<0>::_S_atomicity_lock), + : "=m" (__Atomicity_lock<0>::_S_atomicity_lock), "+r" (__tmp) : "m" (__Atomicity_lock<0>::_S_atomicity_lock)); } while (__tmp); -- 2.30.2