On 08/31/2016 11:36 PM, Rajalakshmi Srinivasaraghavan wrote:
+#if defined(HOST_WORDS_BIGENDIAN)
+#define VEXTRACT(suffix, element) \
+ void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \
+ { \
+ r->u64[0] = r->u64[1] = 0; \
+ memmove(&r->u8[8 - sizeof(r->element)], &b->u8[index], \
+ sizeof(r->element[0])); \
Again, you must consider R == B. I made this same comment wrt v2, when you
still had a memcpy here.
This is trivial:
(1) Use memmove to set first sizeof(r->element[0]) bytes,
(2) Use memset 0 to clean last (16 - sizeof(r->element[0]) bytes.
You have some test cases for these insns, don't you?
r~
