diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 869878f7f5..1c820885ab 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2190,6 +2190,41 @@ void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) *r = result; } +#if defined(WORDS_BIGENDIAN) +#define PKBIG 1 +#else +#define PKBIG 0 +#endif +#define VPK(suffix, from, to, cvt, dosat) \ + void helper_vpk##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ + { \ + int i; \ + int sat = 0; \ + ppc_avr_t result; \ + ppc_avr_t *a0 = PKBIG ? a : b; \ + ppc_avr_t *a1 = PKBIG ? b : a; \ + VECTOR_FOR_INORDER_I (i, from) { \ + result.to[i] = cvt(a0->from[i], &sat); \ + result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \ + } \ + *r = result; \ + if (dosat && sat) { \ + env->vscr |= (1 << VSCR_SAT); \ + } \ + } +#define I(x, y) (x) +VPK(shss, s16, s8, cvtshsb, 1) +VPK(shus, s16, u8, cvtshub, 1) +VPK(swss, s32, s16, cvtswsh, 1) +VPK(swus, s32, u16, cvtswuh, 1) +VPK(uhus, u16, u8, cvtuhub, 1) +VPK(uwus, u32, u16, cvtuwuh, 1) +VPK(uhum, u16, u8, I, 0) +VPK(uwum, u32, u16, I, 0) +#undef I +#undef VPK +#undef PKBIG + #define VROTATE(suffix, element) \ void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ |