Attempt to stabilize PPC asm across compilers

This commit is contained in:
Jeffrey Pfau 2014-10-01 12:41:51 +00:00
parent 43e5aa698a
commit d1f8e58b13
1 changed files with 12 additions and 8 deletions

View File

@ -18,23 +18,27 @@
#if defined(__PPC__) || defined(__POWERPC__)
#define LOAD_32(DEST, ADDR, ARR) { \
uint32_t _tmp = (ADDR); \
asm("lwbrx %0, %1, %2" : "=r"(DEST) : "r"(_tmp), "p"(ARR)); \
uint32_t _addr = (ADDR); \
void* _ptr = (ARR); \
asm("lwbrx %0, %1, %2" : "=r"(DEST) : "b"(_ptr), "r"(_addr)); \
}
#define LOAD_16(DEST, ADDR, ARR) { \
uint32_t _tmp = (ADDR); \
asm("lhbrx %0, %1, %2" : "=r"(DEST) : "r"(_tmp), "p"(ARR)); \
uint32_t _addr = (ADDR); \
void* _ptr = (ARR); \
asm("lhbrx %0, %1, %2" : "=r"(DEST) : "b"(_ptr), "r"(_addr)); \
}
#define STORE_32(SRC, ADDR, ARR) { \
uint32_t _tmp = (ADDR); \
asm("stwbrx %0, %1, %2" : : "r"(SRC), "r"(_tmp), "p"(ARR)); \
uint32_t _addr = (ADDR); \
void* _ptr = (ARR); \
asm("stwbrx %0, %1, %2" : : "r"(SRC), "b"(_ptr), "r"(_addr)); \
}
#define STORE_16(SRC, ADDR, ARR) { \
uint32_t _tmp = (ADDR); \
asm("sthbrx %0, %1, %2" : : "r"(SRC), "r"(_tmp), "p"(ARR)); \
uint32_t _addr = (ADDR); \
void* _ptr = (ARR); \
asm("sthbrx %0, %1, %2" : : "r"(SRC), "b"(_ptr), "r"(_addr)); \
}
#else
#define LOAD_32(DEST, ADDR, ARR) DEST = ((uint32_t*) ARR)[(ADDR) >> 2]