com php-src: GCC prior 4.8.0 may generates wrong code: Zend/Zend.m4 Zend/zend_execute.c

Commit: d6bb5c2cd48b9df0a3a7c19843ca2d5e6703f55d Author: Dmitry Stogov <dmitry@zend.com> Wed, 18 Mar 2015 02:15:49 +0300 Parents: e39db5773d9443e2cfee92bc31651848c044c325 Branches: master Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=d6bb5c2cd48b9df0a3a7c19843ca2d5e6703f55d Log: GCC prior 4.8.0 may generates wrong code Changed paths: M Zend/Zend.m4 M Zend/zend_execute.c Diff: diff --git a/Zend/Zend.m4 b/Zend/Zend.m4 index e12b00d..d61a8a0 100644 --- a/Zend/Zend.m4 +++ b/Zend/Zend.m4 @@ -421,10 +421,10 @@ AC_MSG_CHECKING(for global register variables support) if test "$ZEND_GCC_GLOBAL_REGS" != "no"; then AC_TRY_COMPILE([ ],[ -#if defined(__GNUC__) && defined(i386) +#if defined(__GNUC__) && ZEND_GCC_VERSION >= 4008 && defined(i386) # define ZEND_VM_FP_GLOBAL_REG "%esi" # define ZEND_VM_IP_GLOBAL_REG "%edi" -#elif defined(__GNUC__) && defined(__x86_64__) +#elif defined(__GNUC__) && ZEND_GCC_VERSION >= 4008 && defined(__x86_64__) # define ZEND_VM_FP_GLOBAL_REG "%r14" # define ZEND_VM_IP_GLOBAL_REG "%r15" #else diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c index 42e9673..36942fe 100644 --- a/Zend/zend_execute.c +++ b/Zend/zend_execute.c @@ -2082,10 +2082,10 @@ static zend_always_inline void zend_vm_stack_extend_call_frame(zend_execute_data /* }}} */ #ifdef HAVE_GCC_GLOBAL_REGS -# if defined(__GNUC__) && defined(i386) +# if defined(__GNUC__) && ZEND_GCC_VERSION >= 4008 && defined(i386) # define ZEND_VM_FP_GLOBAL_REG "%esi" # define ZEND_VM_IP_GLOBAL_REG "%edi" -# elif defined(__GNUC__) && defined(__x86_64__) +# elif defined(__GNUC__) && ZEND_GCC_VERSION >= 4008 && defined(__x86_64__) # define ZEND_VM_FP_GLOBAL_REG "%r14" # define ZEND_VM_IP_GLOBAL_REG "%r15" # endif