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 9566aaf031..3e495a1b12 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2031,6 +2031,41 @@ VMINMAX(uw, u32) #undef VMINMAX_DO #undef VMINMAX +#define VMRG_DO(name, element, highp) \ + void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ + { \ + ppc_avr_t result; \ + int i; \ + size_t n_elems = ARRAY_SIZE(r->element); \ + for (i = 0; i < n_elems/2; i++) { \ + if (highp) { \ + result.element[i*2+HI_IDX] = a->element[i]; \ + result.element[i*2+LO_IDX] = b->element[i]; \ + } else { \ + result.element[n_elems - i*2 - (1+HI_IDX)] = b->element[n_elems - i - 1]; \ + result.element[n_elems - i*2 - (1+LO_IDX)] = a->element[n_elems - i - 1]; \ + } \ + } \ + *r = result; \ + } +#if defined(WORDS_BIGENDIAN) +#define MRGHI 0 +#define MRGL0 1 +#else +#define MRGHI 1 +#define MRGLO 0 +#endif +#define VMRG(suffix, element) \ + VMRG_DO(mrgl##suffix, element, MRGHI) \ + VMRG_DO(mrgh##suffix, element, MRGLO) +VMRG(b, u8) +VMRG(h, u16) +VMRG(w, u32) +#undef VMRG_DO +#undef VMRG +#undef MRGHI +#undef MRGLO + #undef VECTOR_FOR_INORDER_I #undef HI_IDX #undef LO_IDX |