[Qemu-devel] [PATCH 25/42] target-ppc: add vspltis{b, h, w} instructions.

[Nathan Froyd]

Signed-off-by: Nathan Froyd <address@hidden>
---
 target-ppc/helper.h    |    3 +++
 target-ppc/op_helper.c |   16 ++++++++++++++++
 target-ppc/translate.c |    4 ++++
 3 files changed, 23 insertions(+), 0 deletions(-)

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 02e3c10..9fbcc4a 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -179,6 +179,9 @@ DEF_HELPER_3(vrlw, void, avr, avr, avr)
 DEF_HELPER_3(vsl, void, avr, avr, avr)
 DEF_HELPER_3(vsr, void, avr, avr, avr)
 DEF_HELPER_4(vsldoi, void, avr, avr, avr, i32)
+DEF_HELPER_2(vspltisb, void, avr, i32)
+DEF_HELPER_2(vspltish, void, avr, i32)
+DEF_HELPER_2(vspltisw, void, avr, i32)
 
 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 310a46c..ac99324 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2354,6 +2354,22 @@ void helper_vslo (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t 
*b)
 #endif
 }
 
+#define VSPLTI(suffix, element, splat_type)                     \
+    void helper_vspltis##suffix (ppc_avr_t *r, uint32_t splat)  \
+    {                                                           \
+        splat_type x = (splat_type)splat;                       \
+        /* 5-bit sign extension.  */                            \
+        if (x & 0x10)                                           \
+            x -= 0x20;                                          \
+        VECTOR_FOR (element) {                                  \
+            r->element[i] = x;                                  \
+        }                                                       \
+    }
+VSPLTI(b, s8, int8_t)
+VSPLTI(h, s16, int16_t)
+VSPLTI(w, s32, int32_t)
+#undef VSPLTI
+
 #define VSR(suffix, element)                                            \
     void helper_vsr##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 20ebb10..4867f7e 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6313,6 +6313,10 @@ GEN_VXFORM(vsr, 708);
         tcg_temp_free(rd);                                              \
     }
 
+GEN_VXFORM_SIMM(vspltisb, 780);
+GEN_VXFORM_SIMM(vspltish, 844);
+GEN_VXFORM_SIMM(vspltisw, 908);
+
 #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