[Qemu-devel] [PATCH 32/42] target-ppc: add vmsum{u, m}bm instructions.

[Nathan Froyd]

Signed-off-by: Nathan Froyd <address@hidden>
---
 target-ppc/helper.h    |    2 ++
 target-ppc/op_helper.c |   28 ++++++++++++++++++++++++++++
 target-ppc/translate.c |    2 ++
 3 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 26ff038..dbd00f5 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -191,6 +191,8 @@ DEF_HELPER_2(vupkhsb, void, avr, avr)
 DEF_HELPER_2(vupkhsh, void, avr, avr)
 DEF_HELPER_2(vupklsb, void, avr, avr)
 DEF_HELPER_2(vupklsh, void, avr, avr)
+DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr)
+DEF_HELPER_4(vmsummbm, 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 346ddde..aa8a563 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2228,6 +2228,34 @@ 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;
+
+    VECTOR_FOR_I(i, s8) {
+        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;
+
+    VECTOR_FOR_I(i, u8) {
+        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)      \
     {                                                                   \
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index d77ddaf..34b1d9e 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6442,6 +6442,8 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, 
PPC_ALTIVEC)
         tcg_temp_free (rd);                                             \
     }
 
+GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 36)
+
 /***                           SPE extension                               ***/
 /* Register moves */
 
-- 
1.6.0.5