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| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:11:39 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:11:39 +0000 |
| commit | b04ae9811a944c2c7356692c13dcf32505b87d84 (patch) | |
| tree | 59ce4f5f7090255542547a4aa3ee76df9c34f19b /target-ppc/op_helper.c | |
| parent | 707cec33f0c978a9c56504e6d1a90ce1770ccaa7 (diff) | |
Add vmsum{u,m}bm instructions.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6179 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index ee086527e..21335294e 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2093,6 +2093,34 @@ VMRG(w, u32) #undef MRGHI #undef MRGLO +void helper_vmsummbm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + int32_t prod[16]; + int i; + + for (i = 0; i < ARRAY_SIZE(r->s8); i++) { + prod[i] = (int32_t)a->s8[i] * b->u8[i]; + } + + VECTOR_FOR_INORDER_I(i, s32) { + r->s32[i] = c->s32[i] + prod[4*i] + prod[4*i+1] + prod[4*i+2] + prod[4*i+3]; + } +} + +void helper_vmsumubm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + uint16_t prod[16]; + int i; + + for (i = 0; i < ARRAY_SIZE(r->u8); i++) { + prod[i] = a->u8[i] * b->u8[i]; + } + + VECTOR_FOR_INORDER_I(i, u32) { + r->u32[i] = c->u32[i] + prod[4*i] + prod[4*i+1] + prod[4*i+2] + prod[4*i+3]; + } +} + #define VMUL_DO(name, mul_element, prod_element, evenp) \ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ |