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Use memory barriers in FORCE_RET / RETURN.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2273 c046a42c-6fe2-441c-8c8c-71466251a162
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ths 2006-12-23 00:49:32 +00:00
parent 5bf089345b
commit 70ead43412
3 changed files with 5 additions and 5 deletions
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2
dyngen-exec.h
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@ -188,7 +188,7 @@ extern int printf(const char *, ...);
#endif
/* force GCC to generate only one epilog at the end of the function */
#define FORCE_RET() asm volatile ("");
#define FORCE_RET() __asm__ __volatile__("" : : : "memory");
#ifndef OPPROTO
#define OPPROTO

4
target-mips/exec.h
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@ -45,9 +45,9 @@ register host_uint_t T2 asm(AREG3);
#endif
#if defined (DEBUG_OP)
#define RETURN() __asm__ __volatile__("nop");
# define RETURN() __asm__ __volatile__("nop" : : : "memory");
#else
#define RETURN() __asm__ __volatile__("");
# define RETURN() __asm__ __volatile__("" : : : "memory");
#endif
#include "cpu.h"

4
target-ppc/exec.h
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@ -38,9 +38,9 @@ register uint32_t T2 asm(AREG3);
#define FT2 (env->ft2)
#if defined (DEBUG_OP)
#define RETURN() __asm__ __volatile__("nop");
# define RETURN() __asm__ __volatile__("nop" : : : "memory");
#else
#define RETURN() __asm__ __volatile__("");
# define RETURN() __asm__ __volatile__("" : : : "memory");
#endif
#include "cpu.h"