Revision 5ab09f33 target-ppc/op_helper.c
b/target-ppc/op_helper.c | ||
---|---|---|
2082 | 2082 |
#undef VARITH_DO |
2083 | 2083 |
#undef VARITH |
2084 | 2084 |
|
2085 |
#define VARITHSAT_CASE(type, op, cvt, element) \ |
|
2086 |
{ \ |
|
2087 |
type result = (type)a->element[i] op (type)b->element[i]; \ |
|
2088 |
r->element[i] = cvt(result, &sat); \ |
|
2089 |
} |
|
2090 |
|
|
2091 |
#define VARITHSAT_DO(name, op, optype, cvt, element) \ |
|
2092 |
void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
|
2093 |
{ \ |
|
2094 |
int sat = 0; \ |
|
2095 |
int i; \ |
|
2096 |
for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
|
2097 |
switch (sizeof(r->element[0])) { \ |
|
2098 |
case 1: VARITHSAT_CASE(optype, op, cvt, element); break; \ |
|
2099 |
case 2: VARITHSAT_CASE(optype, op, cvt, element); break; \ |
|
2100 |
case 4: VARITHSAT_CASE(optype, op, cvt, element); break; \ |
|
2101 |
} \ |
|
2102 |
} \ |
|
2103 |
if (sat) { \ |
|
2104 |
env->vscr |= (1 << VSCR_SAT); \ |
|
2105 |
} \ |
|
2106 |
} |
|
2107 |
#define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ |
|
2108 |
VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \ |
|
2109 |
VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element) |
|
2110 |
#define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \ |
|
2111 |
VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \ |
|
2112 |
VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element) |
|
2113 |
VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb) |
|
2114 |
VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh) |
|
2115 |
VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw) |
|
2116 |
VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub) |
|
2117 |
VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh) |
|
2118 |
VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw) |
|
2119 |
#undef VARITHSAT_CASE |
|
2120 |
#undef VARITHSAT_DO |
|
2121 |
#undef VARITHSAT_SIGNED |
|
2122 |
#undef VARITHSAT_UNSIGNED |
|
2123 |
|
|
2085 | 2124 |
#define VAVG_DO(name, element, etype) \ |
2086 | 2125 |
void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
2087 | 2126 |
{ \ |
Also available in: Unified diff