diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index c4060ba..9bc213d 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2248,6 +2248,35 @@ void helper_vsubcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) } } +#if defined(WORDS_BIGENDIAN) +#define UPKHI 1 +#define UPKLO 0 +#else +#define UPKHI 0 +#define UPKLO 1 +#endif +#define VUPKPX(suffix, hi) \ + void helper_vupk##suffix (ppc_avr_t *r, ppc_avr_t *b) \ + { \ + int i; \ + ppc_avr_t result; \ + for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ + uint16_t e = b->u16[hi ? i : i+4]; \ + uint8_t a = (e >> 15) ? 0xff : 0; \ + uint8_t r = (e >> 10) & 0x1f; \ + uint8_t g = (e >> 5) & 0x1f; \ + uint8_t b = e & 0x1f; \ + result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ + } \ + *r = result; \ + } +VUPKPX(lpx, UPKLO) +VUPKPX(hpx, UPKHI) +#undef VUPKPX + +#undef UPKHI +#undef UPKLO + #undef VECTOR_FOR_INORDER_I #undef HI_IDX #undef LO_IDX |