lxdream.org :: lxdream/src/sh4/mmu.c r1198:407659e01ef0

filename	src/sh4/mmu.c
changeset	1198:407659e01ef0
prev	1173:49207ef698e1
next	1202:01ae5cbad4c8
author	Nathan Keynes <nkeynes@lxdream.org>
date	Fri Dec 16 10:08:45 2011 +1000 (10 years ago)
permissions	-rw-r--r--
last change	Add volatile qualifier to return-address frobbing - works around optimizer bug in GCC versions after 4.2

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     1.1 --- a/src/sh4/mmu.c	Wed May 11 19:20:42 2011 +1000
     1.2 +++ b/src/sh4/mmu.c	Fri Dec 16 10:08:45 2011 +1000
     1.3 @@ -1199,7 +1199,7 @@
     1.4  
     1.5  /********************** TLB Direct-Access Regions ***************************/
     1.6  #ifdef HAVE_FRAME_ADDRESS
     1.7 -#define EXCEPTION_EXIT() do{ *(((void **)__builtin_frame_address(0))+1) = exc; } while(0)
     1.8 +#define EXCEPTION_EXIT() do{ *(((void * volatile *)__builtin_frame_address(0))+1) = exc; } while(0)
     1.9  #else
    1.10  #define EXCEPTION_EXIT() sh4_core_exit(CORE_EXIT_EXCEPTION)
    1.11  #endif