diff options
| author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2016-10-12 10:38:51 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-10-14 10:06:47 +1100 |
| commit | 125a9b2327173f4cd38509276ea74f2133934820 (patch) | |
| tree | f45cb541161976afd0c22476e5ee215afd1043dc /target-ppc/int_helper.c | |
| parent | 74cba2b3b23d069d1a3d9b3ef7876123d939d3ba (diff) | |
target-ppc: implement vexts[bh]2w and vexts[bhw]2d
Vector Extend Sign Instructions:
vextsb2w: Vector Extend Sign Byte To Word
vextsh2w: Vector Extend Sign Halfword To Word
vextsb2d: Vector Extend Sign Byte To Doubleword
vextsh2d: Vector Extend Sign Halfword To Doubleword
vextsw2d: Vector Extend Sign Word To Doubleword
Signed-off-by: Nikunj A Dadhania <nikunj@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 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 202854fabd..5aee0a81c7 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -1934,6 +1934,21 @@ VEXTRACT(uw, u32) VEXTRACT(d, u64) #undef VEXTRACT +#define VEXT_SIGNED(name, element, mask, cast, recast) \ +void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ +{ \ + int i; \ + VECTOR_FOR_INORDER_I(i, element) { \ + r->element[i] = (recast)((cast)(b->element[i] & mask)); \ + } \ +} +VEXT_SIGNED(vextsb2w, s32, UINT8_MAX, int8_t, int32_t) +VEXT_SIGNED(vextsb2d, s64, UINT8_MAX, int8_t, int64_t) +VEXT_SIGNED(vextsh2w, s32, UINT16_MAX, int16_t, int32_t) +VEXT_SIGNED(vextsh2d, s64, UINT16_MAX, int16_t, int64_t) +VEXT_SIGNED(vextsw2d, s64, UINT32_MAX, int32_t, int64_t) +#undef VEXT_SIGNED + #define VSPLTI(suffix, element, splat_type) \ void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \ { \ |