X-Git-Url: http://drtracing.org/?a=blobdiff_plain;ds=sidebyside;f=sim%2Fd10v%2Fendian.c;h=dbc3db2003405fd5b31aef0a29e605f23fcff771;hb=8b8c7c9f49992750f66f81b4601d593a3858d98c;hp=9ef503eb0e2b67d9518cd2ed4595a1b3e33f061d;hpb=5b64ad42d36e6d487e1f7287d37fbc243a178e72;p=deliverable%2Fbinutils-gdb.git diff --git a/sim/d10v/endian.c b/sim/d10v/endian.c index 9ef503eb0e..dbc3db2003 100644 --- a/sim/d10v/endian.c +++ b/sim/d10v/endian.c @@ -3,67 +3,24 @@ #ifndef ENDIAN_INLINE #define NO_ENDIAN_INLINE -#include "d10v_sim.h" +#include "sim-main.h" #define ENDIAN_INLINE #endif ENDIAN_INLINE uint16 -get_word (x) - uint8 *x; +get_word (uint8 *x) { -#if (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) - - unsigned short word = *(unsigned short *)x; - __asm__ ("xchgb %b0,%h0" : "=q" (word) : "0" (word)); - return word; - -#elif defined(WORDS_BIGENDIAN) - /* It is safe to do this on big endian hosts, since the d10v requires that words be - aligned on 16-bit boundaries. */ - return *(uint16 *)x; - -#else return ((uint16)x[0]<<8) + x[1]; -#endif } ENDIAN_INLINE uint32 -get_longword (x) - uint8 *x; +get_longword (uint8 *x) { -#if (defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) && defined(USE_BSWAP) - - unsigned int long_word = *(unsigned *)x; - __asm__ ("bswap %0" : "=r" (long_word) : "0" (long_word)); - return long_word; - -#elif (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) - - unsigned int long_word = *(unsigned *)x; - __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ - "rorl $16,%0\n\t" /* swap words */ - "xchgb %b0,%h0" /* swap higher bytes */ - :"=q" (long_word) - : "0" (long_word)); - - return long_word; - -#elif (defined(_POWER) && defined(_AIX)) || (defined(__PPC__) && defined(__BIG_ENDIAN__)) - /* Power & PowerPC computers in big endian mode can handle unaligned loads&stores */ - return *(uint32 *)x; - -#elif defined(WORDS_BIGENDIAN) - /* long words must be aligned on at least 16-bit boundaries, so this should be safe. */ - return (((uint32) *(uint16 *)x)<<16) | ((uint32) *(uint16 *)(x+2)); - -#else return ((uint32)x[0]<<24) + ((uint32)x[1]<<16) + ((uint32)x[2]<<8) + ((uint32)x[3]); -#endif } ENDIAN_INLINE int64 -get_longlong (x) - uint8 *x; +get_longlong (uint8 *x) { uint32 top = get_longword (x); uint32 bottom = get_longword (x+4); @@ -71,66 +28,23 @@ get_longlong (x) } ENDIAN_INLINE void -write_word (addr, data) - uint8 *addr; - uint16 data; +write_word (uint8 *addr, uint16 data) { -#if (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) - - __asm__ ("xchgb %b0,%h0" : "=q" (data) : "0" (data)); - *(uint16 *)addr = data; - -#elif defined(WORDS_BIGENDIAN) - /* It is safe to do this on big endian hosts, since the d10v requires that words be - aligned on 16-bit boundaries. */ - *(uint16 *)addr = data; - -#else addr[0] = (data >> 8) & 0xff; addr[1] = data & 0xff; -#endif } ENDIAN_INLINE void -write_longword (addr, data) - uint8 *addr; - uint32 data; +write_longword (uint8 *addr, uint32 data) { -#if (defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) && defined(USE_BSWAP) - - __asm__ ("bswap %0" : "=r" (data) : "0" (data)); - *(uint32 *)addr = data; - -#elif (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) - - __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ - "rorl $16,%0\n\t" /* swap words */ - "xchgb %b0,%h0" /* swap higher bytes */ - :"=q" (data) - : "0" (data)); - - *(uint32 *)addr = data; - -#elif (defined(_POWER) && defined(_AIX)) || (defined(__PPC__) && defined(__BIG_ENDIAN__)) - /* Power & PowerPC computers in big endian mode can handle unaligned loads&stores */ - *(uint32 *)addr = data; - -#elif defined(WORDS_BIGENDIAN) - *(uint16 *)addr = (uint16)(data >> 16); - *(uint16 *)(addr + 2) = (uint16)data; - -#else addr[0] = (data >> 24) & 0xff; addr[1] = (data >> 16) & 0xff; addr[2] = (data >> 8) & 0xff; addr[3] = data & 0xff; -#endif } ENDIAN_INLINE void -write_longlong (addr, data) - uint8 *addr; - int64 data; +write_longlong (uint8 *addr, int64 data) { write_longword (addr, (uint32)(data >> 32)); write_longword (addr+4, (uint32)data);