diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:12:49 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-04 22:12:49 +0000 |
| commit | eae07261c7620231ae347878284fa36e3dc0d1c0 (patch) | |
| tree | 681041d32acd5266520b7ee2288fb3109622f9ce /target-ppc | |
| parent | 4d9903b6c3ae0f6ea6e2158efb93fae11a787358 (diff) | |
Add vmsumsh{m,s} 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@6186 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/helper.h | 2 | ||||
| -rw-r--r-- | target-ppc/op_helper.c | 34 | ||||
| -rw-r--r-- | target-ppc/translate.c | 1 |
3 files changed, 37 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 5709a3831b..59e8df4b2a 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -182,6 +182,8 @@ DEF_HELPER_4(vmhaddshs, void, avr, avr, avr, avr) DEF_HELPER_4(vmhraddshs, void, avr, avr, avr, avr) DEF_HELPER_4(vmsumuhm, void, avr, avr, avr, avr) DEF_HELPER_4(vmsumuhs, void, avr, avr, avr, avr) +DEF_HELPER_4(vmsumshm, void, avr, avr, avr, avr) +DEF_HELPER_4(vmsumshs, void, avr, avr, avr, avr) DEF_HELPER_1(efscfsi, i32, i32) DEF_HELPER_1(efscfui, i32, i32) diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index be3e9289ea..6ff215675a 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2166,6 +2166,40 @@ void helper_vmsummbm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) } } +void helper_vmsumshm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + int32_t prod[8]; + int i; + + for (i = 0; i < ARRAY_SIZE(r->s16); i++) { + prod[i] = a->s16[i] * b->s16[i]; + } + + VECTOR_FOR_INORDER_I(i, s32) { + r->s32[i] = c->s32[i] + prod[2*i] + prod[2*i+1]; + } +} + +void helper_vmsumshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) +{ + int32_t prod[8]; + int i; + int sat = 0; + + for (i = 0; i < ARRAY_SIZE(r->s16); i++) { + prod[i] = (int32_t)a->s16[i] * b->s16[i]; + } + + VECTOR_FOR_INORDER_I (i, s32) { + int64_t t = (int64_t)c->s32[i] + prod[2*i] + prod[2*i+1]; + r->u32[i] = cvtsdsw(t, &sat); + } + + if (sat) { + env->vscr |= (1 << VSCR_SAT); + } +} + void helper_vmsumubm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { uint16_t prod[16]; diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 246d099ced..49aae4c21d 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6389,6 +6389,7 @@ GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16) GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18) GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19) +GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20) GEN_VAFORM_PAIRED(vsel, vperm, 21) /*** SPE extension ***/ |