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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:12:39 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:12:39 +0000
commit4d9903b6c3ae0f6ea6e2158efb93fae11a787358 (patch)
treebc77b3dcb4401814cb4db51f8fb31719dbf0036c /target-ppc/op_helper.c
parentb161ae276691ead06850d858ed2bce0eeab1f38d (diff)
Add vmsumuh{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@6185 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
-rw-r--r--target-ppc/op_helper.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index f787774a09..be3e9289ea 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -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) \
{ \