[Qemu-devel] [PATCH 21/42] target-ppc: add vrl{b, h, w} instructions.

[Nathan Froyd]

Signed-off-by: Nathan Froyd <address@hidden>
---
 target-ppc/helper.h    |    3 +++
 target-ppc/op_helper.c |   14 ++++++++++++++
 target-ppc/translate.c |    3 +++
 3 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 4e1c307..cf2a655 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -173,6 +173,9 @@ DEF_HELPER_3(vadduws, void, avr, avr, avr)
 DEF_HELPER_3(vsububs, void, avr, avr, avr)
 DEF_HELPER_3(vsubuhs, void, avr, avr, avr)
 DEF_HELPER_3(vsubuws, void, avr, avr, avr)
+DEF_HELPER_3(vrlb, void, avr, avr, avr)
+DEF_HELPER_3(vrlh, void, avr, avr, avr)
+DEF_HELPER_3(vrlw, 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 b297052..b44a97d 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2250,6 +2250,20 @@ VMUL(uh, u16, u32)
 #undef VMUL_DO
 #undef VMUL
 
+#define VROTATE(suffix, element)                                        \
+    void helper_vrl##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) | (a->element[i] >> 
(sizeof(a->element[0]) * 8 - shift)); \
+        }                                                               \
+    }
+VROTATE(b, u8)
+VROTATE(h, u16)
+VROTATE(w, u32)
+#undef VROTATE
+
 #define VSL(suffix, element)                                            \
     void helper_vsl##suffix (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 eaffe58..5bcbeb0 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6287,6 +6287,9 @@ GEN_VXFORM(vsubuws, 1664);
 GEN_VXFORM(vsubsbs, 1792);
 GEN_VXFORM(vsubshs, 1856);
 GEN_VXFORM(vsubsws, 1920);
+GEN_VXFORM(vrlb, 4);
+GEN_VXFORM(vrlh, 68);
+GEN_VXFORM(vrlw, 132);
 
 #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