diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 1c820885ab..dcf1aef8a3 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2195,6 +2195,27 @@ void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) #else #define PKBIG 0 #endif +void helper_vpkpx (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int i, j; + ppc_avr_t result; +#if defined(WORDS_BIGENDIAN) + const ppc_avr_t *x[2] = { a, b }; +#else + const ppc_avr_t *x[2] = { b, a }; +#endif + + VECTOR_FOR_INORDER_I (i, u64) { + VECTOR_FOR_INORDER_I (j, u32){ + uint32_t e = x[i]->u32[j]; + result.u16[4*i+j] = (((e >> 9) & 0xfc00) | + ((e >> 6) & 0x3e0) | + ((e >> 3) & 0x1f)); + } + } + *r = result; +} + #define VPK(suffix, from, to, cvt, dosat) \ void helper_vpk##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ |