diff options
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2016-09-06 10:34:07 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-23 10:29:40 +1000 |
| commit | b5d569a1bb033354847c34d2e011fed812ff7428 (patch) | |
| tree | 6ee3d6cd727b304984baf392f7ec44e8ca85318e /target-ppc/int_helper.c | |
| parent | e7b1e06fbcb81ac66e2586214a6c42fdf15fadf3 (diff) | |
target-ppc: add vector extract instructions
The following vector extract instructions are added from ISA 3.0.
vextractub - Vector Extract Unsigned Byte
vextractuh - Vector Extract Unsigned Halfword
vextractuw - Vector Extract Unsigned Word
vextractd - Vector Extract Unsigned Doubleword
Signed-off-by: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc/int_helper.c')
| -rw-r--r-- | target-ppc/int_helper.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 66a3d87c7a..9b81d91d64 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -1812,6 +1812,31 @@ VINSERT(h, u16) VINSERT(w, u32) VINSERT(d, u64) #undef VINSERT +#if defined(HOST_WORDS_BIGENDIAN) +#define VEXTRACT(suffix, element) \ + void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ + { \ + uint32_t es = sizeof(r->element[0]); \ + memmove(&r->u8[8 - es], &b->u8[index], es); \ + memset(&r->u8[8], 0, 8); \ + memset(&r->u8[0], 0, 8 - es); \ + } +#else +#define VEXTRACT(suffix, element) \ + void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \ + { \ + uint32_t es = sizeof(r->element[0]); \ + uint32_t s = (16 - index) - es; \ + memmove(&r->u8[8], &b->u8[s], es); \ + memset(&r->u8[0], 0, 8); \ + memset(&r->u8[8 + es], 0, 8 - es); \ + } +#endif +VEXTRACT(ub, u8) +VEXTRACT(uh, u16) +VEXTRACT(uw, u32) +VEXTRACT(d, u64) +#undef VEXTRACT #define VSPLTI(suffix, element, splat_type) \ void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \ |