motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-06 17:23:56 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add vmsumuh{m,s} instructions.

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

34
target-ppc/op_helper.c
View file

@ -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) \
{ \