all repos — mgba @ 0a5a099059f866d51a08a90c1d27a5a737c7f401

mGBA Game Boy Advance Emulator

Make PPC asm directives a bit more resilient to different compilers
Jeffrey Pfau jeffrey@endrift.com
Wed, 01 Oct 2014 09:33:37 +0000
commit

0a5a099059f866d51a08a90c1d27a5a737c7f401

parent

996cfe8a26fe8146d185e459cb9acc54744cc9e6

1 files changed, 19 insertions(+), 4 deletions(-)

jump to
M src/arm/common.hsrc/arm/common.h

@@ -17,10 +17,25 @@

#define UNUSED(V) (void)(V) #if defined(__PPC__) || defined(__POWERPC__) -#define LOAD_32(DEST, ADDR, ARR) asm("lwbrx %0, %1, %2" : "=r"(DEST) : "r"(ADDR), "r"(ARR)) -#define LOAD_16(DEST, ADDR, ARR) asm("lhbrx %0, %1, %2" : "=r"(DEST) : "r"(ADDR), "r"(ARR)) -#define STORE_32(SRC, ADDR, ARR) asm("stwbrx %0, %1, %2" : : "r"(SRC), "r"(ADDR), "r"(ARR)) -#define STORE_16(SRC, ADDR, ARR) asm("sthbrx %0, %1, %2" : : "r"(SRC), "r"(ADDR), "r"(ARR)) +#define LOAD_32(DEST, ADDR, ARR) { \ + uint32_t _tmp = (ADDR); \ + asm("lwbrx %0, %1, %2" : "=r"(DEST) : "r"(_tmp), "p"(ARR)); \ +} + +#define LOAD_16(DEST, ADDR, ARR) { \ + uint16_t _tmp = (ADDR); \ + asm("lhbrx %0, %1, %2" : "=r"(DEST) : "r"(_tmp), "p"(ARR)); \ +} + +#define STORE_32(SRC, ADDR, ARR) { \ + uint32_t _tmp = (ADDR); \ + asm("stwbrx %0, %1, %2" : : "r"(SRC), "r"(_tmp), "p"(ARR)); \ +} + +#define STORE_16(SRC, ADDR, ARR) { \ + uint16_t _tmp = (ADDR); \ + asm("sthbrx %0, %1, %2" : : "r"(SRC), "r"(_tmp), "p"(ARR)); \ +} #else #define LOAD_32(DEST, ADDR, ARR) DEST = ((uint32_t*) ARR)[(ADDR) >> 2] #define LOAD_16(DEST, ADDR, ARR) DEST = ((uint16_t*) ARR)[(ADDR) >> 1]