[Qemu-devel] [PATCH 12/14] Add vct{u,s}xs instructions

[Nathan Froyd <froydnj@codesourcery.com>]

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
---
 target-ppc/helper.h    |    2 ++
 target-ppc/op_helper.c |   25 +++++++++++++++++++++++++
 target-ppc/translate.c |    2 ++
 3 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 6e25d94..a463787 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -252,6 +252,8 @@ DEF_HELPER_4(vmaddfp, void, avr, avr, avr, avr)
 DEF_HELPER_4(vnmsubfp, void, avr, avr, avr, avr)
 DEF_HELPER_3(vcfux, void, avr, avr, i32)
 DEF_HELPER_3(vcfsx, void, avr, avr, i32)
+DEF_HELPER_3(vctuxs, void, avr, avr, i32)
+DEF_HELPER_3(vctsxs, void, avr, 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 32ea54f..e1022ab 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2304,6 +2304,31 @@ void helper_vcmpbfp_dot (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
     vcmpbfp_internal(r, a, b, 1);
 }
 
+#define VCT(suffix, type, floatcvt, satcvt, element)                    \
+    void helper_vct##suffix (ppc_avr_t *r, ppc_avr_t *b, uint32_t uim)  \
+    {                                                                   \
+        int i;                                                          \
+        int sat = 0;                                                    \
+        for (i = 0; i < ARRAY_SIZE(r->f); i++) {                        \
+            if (float32_is_nan(b->f[i]) ||                              \
+                float32_is_signaling_nan(b->f[i])) {                    \
+                r->element[i] = 0;                                      \
+            } else {                                                    \
+                float64 t = float32_to_float64(b->f[i], &env->vec_status); \
+                type j;                                                 \
+                t = float64_scalbn(t, uim, &env->vec_status);           \
+                j = floatcvt(t, &env->vec_status);                      \
+                r->element[i] = satcvt(j, &sat);                        \
+            }                                                           \
+        }                                                               \
+        if (sat) {                                                      \
+            env->vscr |= (1 << VSCR_SAT);                               \
+        }                                                               \
+    }
+VCT(uxs, uint64_t, float64_to_uint64, cvtuduw, u32)
+VCT(sxs, int64_t, float64_to_int64, cvtsdsw, s32)
+#undef VCT
+
 void helper_vmaddfp (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
 {
     int i;
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index e0cbf45..81011a2 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6520,6 +6520,8 @@ GEN_VXFORM_UIMM(vsplth, 6, 9);
 GEN_VXFORM_UIMM(vspltw, 6, 10);
 GEN_VXFORM_UIMM(vcfux, 5, 12);
 GEN_VXFORM_UIMM(vcfsx, 5, 13);
+GEN_VXFORM_UIMM(vctuxs, 5, 14);
+GEN_VXFORM_UIMM(vctsxs, 5, 15);
 
 GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
 {
-- 
1.6.0.5