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Add vmsumuh{m,s} instructions.

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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@6185 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:12:39 +00:00
parent b161ae2766
commit 4d9903b6c3
3 changed files with 37 additions and 0 deletions
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2
target-ppc/helper.h
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@ -180,6 +180,8 @@ DEF_HELPER_3(vpkuwum, void, avr, avr, avr)
DEF_HELPER_3(vpkpx, void, avr, avr, avr)
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_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)

34
target-ppc/op_helper.c
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@ -2180,6 +2180,40 @@ void helper_vmsumubm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
}
}
void helper_vmsumuhm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
uint32_t prod[8];
int i;
for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
prod[i] = a->u16[i] * b->u16[i];
}
VECTOR_FOR_INORDER_I(i, u32) {
r->u32[i] = c->u32[i] + prod[2*i] + prod[2*i+1];
}
}
void helper_vmsumuhs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
uint32_t prod[8];
int i;
int sat = 0;
for (i = 0; i < ARRAY_SIZE(r->u16); i++) {
prod[i] = a->u16[i] * b->u16[i];
}
VECTOR_FOR_INORDER_I (i, s32) {
uint64_t t = (uint64_t)c->u32[i] + prod[2*i] + prod[2*i+1];
r->u32[i] = cvtuduw(t, &sat);
}
if (sat) {
env->vscr |= (1 << VSCR_SAT);
}
}
#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) \
{ \

1
target-ppc/translate.c
View File

@ -6388,6 +6388,7 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19)
GEN_VAFORM_PAIRED(vsel, vperm, 21)
/*** SPE extension ***/