powerpc/xmon/spu.h

80 #define SIGNED_EXTRACT(insn,size,pos) (((int)((insn) << (32-size-pos))) >> (32-size))
81 #define UNSIGNED_EXTRACT(insn,size,pos) (((insn) >> pos) & ((1 << size)-1))
83 #define DECODE_INSN_RT(insn) (insn & 0x7f)
84 #define DECODE_INSN_RA(insn) ((insn >> 7) & 0x7f)
85 #define DECODE_INSN_RB(insn) ((insn >> 14) & 0x7f)
86 #define DECODE_INSN_RC(insn) ((insn >> 21) & 0x7f)
88 #define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14)
89 #define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14)
92 #define DECODE_INSN_I16(insn) SIGNED_EXTRACT(insn,16,7)
93 #define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT(insn,16,7)
96 #define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT(insn,14,0)
99 #define DECODE_INSN_I18(insn) SIGNED_EXTRACT(insn,18,7)
100 #define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT(insn,18,7)
103 #define DECODE_INSN_I7(insn) SIGNED_EXTRACT(insn,7,14)
104 #define DECODE_INSN_U7(insn) UNSIGNED_EXTRACT(insn,7,14)
107 #define DECODE_INSN_I8(insn)  SIGNED_EXTRACT(insn,8,14)
108 #define DECODE_INSN_U8(insn) UNSIGNED_EXTRACT(insn,8,14)
111 #define DECODE_INSN_I9a(insn) ((SIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0))
112 #define DECODE_INSN_I9b(insn) ((SIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0))
113 #define DECODE_INSN_U9a(insn) ((UNSIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0))
114 #define DECODE_INSN_U9b(insn) ((UNSIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0))