[Qemu-devel] [PATCH 14/42] target-ppc: add vsr{, a}{b, h, w} instructions.

[Nathan Froyd]

Signed-off-by: Nathan Froyd <address@hidden>
---
 target-ppc/helper.h    |    6 ++++++
 target-ppc/op_helper.c |   17 +++++++++++++++++
 target-ppc/translate.c |    6 ++++++
 3 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 6b74c3d..f2e91ca 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -146,6 +146,12 @@ DEF_HELPER_3(vmulosb, void, avr, avr, avr)
 DEF_HELPER_3(vmulosh, void, avr, avr, avr)
 DEF_HELPER_3(vmuloub, void, avr, avr, avr)
 DEF_HELPER_3(vmulouh, void, avr, avr, avr)
+DEF_HELPER_3(vsrab, void, avr, avr, avr)
+DEF_HELPER_3(vsrah, void, avr, avr, avr)
+DEF_HELPER_3(vsraw, void, avr, avr, avr)
+DEF_HELPER_3(vsrb, void, avr, avr, avr)
+DEF_HELPER_3(vsrh, void, avr, avr, avr)
+DEF_HELPER_3(vsrw, void, 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 252fa4f..2bd0aef 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2179,6 +2179,23 @@ VMUL(uh, u16, u32)
 #undef VMUL_DO
 #undef VMUL
 
+#define VSR(suffix, element)                                            \
+    void helper_vsr##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \
+    {                                                                   \
+        VECTOR_FOR (element) {                                          \
+            unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 
1); \
+            unsigned int shift = b->element[i] & mask;                  \
+            r->element[i] = a->element[i] >> shift;                     \
+        }                                                               \
+    }
+VSR(ab, s8)
+VSR(ah, s16)
+VSR(aw, s32)
+VSR(b, u8)
+VSR(h, u16)
+VSR(w, u32)
+#undef VSR
+
 #undef VECTOR_FOR
 #undef VECTOR_FOR_I
 #undef VECTOR_FOR_INORDER_I
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 2d4ffbb..d01191b 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6189,6 +6189,12 @@ GEN_VXFORM(vmuleub, 520);
 GEN_VXFORM(vmuleuh, 584);
 GEN_VXFORM(vmulesb, 776);
 GEN_VXFORM(vmulesh, 840);
+GEN_VXFORM(vsrb, 516);
+GEN_VXFORM(vsrh, 580);
+GEN_VXFORM(vsrw, 644);
+GEN_VXFORM(vsrab, 772);
+GEN_VXFORM(vsrah, 836);
+GEN_VXFORM(vsraw, 900);
 
 #define GEN_VXRFORM1(opname, name, str, xo, rc)                         \
     GEN_HANDLER2(name, str, 0x4, (xo >> 1) & 0x1f, ((xo >> 6) & 0x1f) | (rc << 
4), 0x00000000, PPC_ALTIVEC) \
-- 
1.6.0.5