target-ppc: add vrlogefp instruction

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6519 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index b8b0a22..0a38e30 100644 (file)
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -232,6 +232,7 @@ DEF_HELPER_3(vsum2sws, void, avr, avr, avr)
 DEF_HELPER_3(vsum4sbs, void, avr, avr, avr)
 DEF_HELPER_3(vsum4shs, void, avr, avr, avr)
 DEF_HELPER_3(vsum4ubs, void, avr, avr, avr)
+DEF_HELPER_2(vrlogefp, void, avr, avr)
 DEF_HELPER_2(vrfim, void, avr, avr)
 DEF_HELPER_2(vrfin, void, avr, avr)
 DEF_HELPER_2(vrfip, void, avr, avr)

diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index b8e5538..4eac302 100644 (file)
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2539,6 +2539,16 @@ void helper_vsel (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
     r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]);
 }
 
+void helper_vrlogefp (ppc_avr_t *r, ppc_avr_t *b)
+{
+    int i;
+    for (i = 0; i < ARRAY_SIZE(r->f); i++) {
+        HANDLE_NAN1(r->f[i], b->f[i]) {
+            r->f[i] = float32_log2(b->f[i], &env->vec_status);
+        }
+    }
+}
+
 #if defined(WORDS_BIGENDIAN)
 #define LEFT 0
 #define RIGHT 1

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 7f4c7d7..3cc8186 100644 (file)
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6468,6 +6468,7 @@ GEN_VXFORM_NOA(vupklsb, 7, 10);
 GEN_VXFORM_NOA(vupklsh, 7, 11);
 GEN_VXFORM_NOA(vupkhpx, 7, 13);
 GEN_VXFORM_NOA(vupklpx, 7, 15);
+GEN_VXFORM_NOA(vrlogefp, 5, 7);
 GEN_VXFORM_NOA(vrfim, 5, 8);
 GEN_VXFORM_NOA(vrfin, 5, 9);
 GEN_VXFORM_NOA(vrfip, 5, 10);