1 /* If we're being compiled as a .c file, rather than being included in
2 d10v_sim.h, then ENDIAN_INLINE won't be defined yet. */
5 #define NO_ENDIAN_INLINE
14 #if (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__)
16 unsigned short word = *(unsigned short *)x;
17 __asm__ ("xchgb %b0,%h0" : "=q" (word) : "0" (word));
20 #elif defined(WORDS_BIGENDIAN)
21 /* It is safe to do this on big endian hosts, since the d10v requires that words be
22 aligned on 16-bit boundaries. */
26 return ((uint16)x[0]<<8) + x[1];
34 #if (defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) && defined(USE_BSWAP)
36 unsigned int long_word = *(unsigned *)x;
37 __asm__ ("bswap %0" : "=r" (long_word) : "0" (long_word));
40 #elif (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__)
42 unsigned int long_word = *(unsigned *)x;
43 __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
44 "rorl $16,%0\n\t" /* swap words */
45 "xchgb %b0,%h0" /* swap higher bytes */
51 #elif (defined(_POWER) && defined(_AIX)) || (defined(__PPC__) && defined(__BIG_ENDIAN__))
52 /* Power & PowerPC computers in big endian mode can handle unaligned loads&stores */
55 #elif defined(WORDS_BIGENDIAN)
56 /* long words must be aligned on at least 16-bit boundaries, so this should be safe. */
57 return (((uint32) *(uint16 *)x)<<16) | ((uint32) *(uint16 *)(x+2));
60 return ((uint32)x[0]<<24) + ((uint32)x[1]<<16) + ((uint32)x[2]<<8) + ((uint32)x[3]);
68 uint32 top = get_longword (x);
69 uint32 bottom = get_longword (x+4);
70 return (((int64)top)<<32) | (int64)bottom;
74 write_word (addr, data)
78 #if (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__)
80 __asm__ ("xchgb %b0,%h0" : "=q" (data) : "0" (data));
81 *(uint16 *)addr = data;
83 #elif defined(WORDS_BIGENDIAN)
84 /* It is safe to do this on big endian hosts, since the d10v requires that words be
85 aligned on 16-bit boundaries. */
86 *(uint16 *)addr = data;
89 addr[0] = (data >> 8) & 0xff;
90 addr[1] = data & 0xff;
95 write_longword (addr, data)
99 #if (defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__) && defined(USE_BSWAP)
101 __asm__ ("bswap %0" : "=r" (data) : "0" (data));
102 *(uint32 *)addr = data;
104 #elif (defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)) && defined(__GNUC__)
106 __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
107 "rorl $16,%0\n\t" /* swap words */
108 "xchgb %b0,%h0" /* swap higher bytes */
112 *(uint32 *)addr = data;
114 #elif (defined(_POWER) && defined(_AIX)) || (defined(__PPC__) && defined(__BIG_ENDIAN__))
115 /* Power & PowerPC computers in big endian mode can handle unaligned loads&stores */
116 *(uint32 *)addr = data;
118 #elif defined(WORDS_BIGENDIAN)
119 *(uint16 *)addr = (uint16)(data >> 16);
120 *(uint16 *)(addr + 2) = (uint16)data;
123 addr[0] = (data >> 24) & 0xff;
124 addr[1] = (data >> 16) & 0xff;
125 addr[2] = (data >> 8) & 0xff;
126 addr[3] = data & 0xff;
131 write_longlong (addr, data)
135 write_longword (addr, (uint32)(data >> 32));
136 write_longword (addr+4, (uint32)data);