s390x/tcg: Implement VECTOR FP CONVERT FROM LOGICAL 64-BIT

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>

diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index a60f4c49fcf513fbc78467dd592735e4c3bcf37d..6fd996e924d0402d7e838fbc0f5414bfd12346bd 100644 (file)
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -268,6 +268,8 @@ DEF_HELPER_5(gvec_vfche64_cc, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_5(gvec_vfche64s_cc, void, ptr, cptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vcdg64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
 DEF_HELPER_FLAGS_4(gvec_vcdg64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_4(gvec_vcdlg64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_4(gvec_vcdlg64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
 
 #ifndef CONFIG_USER_ONLY
 DEF_HELPER_3(servc, i32, env, i64, i64)

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index d3386024c8f09d3b871bc96147ae316a354cd03a..465b36dd70bae89b3b10c85a5d22828e4f76e078 100644 (file)
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1220,6 +1220,8 @@
     F(0xe7ea, VFCHE,   VRR_c, V,   0, 0, 0, 0, vfc, 0, IF_VEC)
 /* VECTOR FP CONVERT FROM FIXED 64-BIT */
     F(0xe7c3, VCDG,    VRR_a, V,   0, 0, 0, 0, vcdg, 0, IF_VEC)
+/* VECTOR FP CONVERT FROM LOGICAL 64-BIT */
+    F(0xe7c1, VCDLG,   VRR_a, V,   0, 0, 0, 0, vcdg, 0, IF_VEC)
 
 #ifndef CONFIG_USER_ONLY
 /* COMPARE AND SWAP AND PURGE */

diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c
index 6741b707ccc42f640cfd06e2e9f40e7664207e37..fa755cd1d6481f48e407b207cb134d6ee9507c45 100644 (file)
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -2657,6 +2657,9 @@ static DisasJumpType op_vcdg(DisasContext *s, DisasOps *o)
     case 0xc3:
         fn = se ? gen_helper_gvec_vcdg64s : gen_helper_gvec_vcdg64;
         break;
+    case 0xc1:
+        fn = se ? gen_helper_gvec_vcdlg64s : gen_helper_gvec_vcdlg64;
+        break;
     default:
         g_assert_not_reached();
     }

diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index 53430c784375ae2abcfd3072058332dba8d6f3bd..181378e167d7e74c205c87e49bba8f3c0cdca6fe 100644 (file)
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -300,3 +300,26 @@ void HELPER(gvec_vcdg64s)(void *v1, const void *v2, CPUS390XState *env,
 
     vop64_2(v1, v2, env, true, XxC, erm, vcdg64, GETPC());
 }
+
+static uint64_t vcdlg64(uint64_t a, float_status *s)
+{
+    return uint64_to_float64(a, s);
+}
+
+void HELPER(gvec_vcdlg64)(void *v1, const void *v2, CPUS390XState *env,
+                          uint32_t desc)
+{
+    const uint8_t erm = extract32(simd_data(desc), 4, 4);
+    const bool XxC = extract32(simd_data(desc), 2, 1);
+
+    vop64_2(v1, v2, env, false, XxC, erm, vcdlg64, GETPC());
+}
+
+void HELPER(gvec_vcdlg64s)(void *v1, const void *v2, CPUS390XState *env,
+                           uint32_t desc)
+{
+    const uint8_t erm = extract32(simd_data(desc), 4, 4);
+    const bool XxC = extract32(simd_data(desc), 2, 1);
+
+    vop64_2(v1, v2, env, true, XxC, erm, vcdlg64, GETPC());
+}