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authorDavid Hildenbrand <david@redhat.com>2019-05-29 21:57:10 +0200
committerDavid Hildenbrand <david@redhat.com>2019-06-07 14:53:25 +0200
commit60d0ab29a134bd75ba9aafe6ed5a91c0d43ad67a (patch)
tree846bf2215cb7c14f62d394d5d34c03939839dd59
parent817a1cec89ed1bb94c112cc8fa013efb74a4df83 (diff)
s390x/tcg: Implement VECTOR LOAD FP INTEGER
We can reuse most of the infrastructure introduced for VECTOR FP CONVERT FROM FIXED 64-BIT and friends. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
-rw-r--r--target/s390x/helper.h2
-rw-r--r--target/s390x/insn-data.def2
-rw-r--r--target/s390x/translate_vx.inc.c3
-rw-r--r--target/s390x/vec_fpu_helper.c23
4 files changed, 30 insertions, 0 deletions
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 238bfa2509..10a9cb39b6 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -276,6 +276,8 @@ DEF_HELPER_FLAGS_4(gvec_vclgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vclgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_5(gvec_vfd64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_5(gvec_vfd64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
+DEF_HELPER_FLAGS_4(gvec_vfi64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
+DEF_HELPER_FLAGS_4(gvec_vfi64s, 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 f9830deace..f77aa41253 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1228,6 +1228,8 @@
F(0xe7c0, VCLGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC)
/* VECTOR FP DIVIDE */
F(0xe7e5, VFD, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC)
+/* VECTOR LOAD FP INTEGER */
+ F(0xe7c7, VFI, 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 9e55d4488b..59d8b971c0 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -2669,6 +2669,9 @@ static DisasJumpType op_vcdg(DisasContext *s, DisasOps *o)
case 0xc0:
fn = se ? gen_helper_gvec_vclgd64s : gen_helper_gvec_vclgd64;
break;
+ case 0xc7:
+ fn = se ? gen_helper_gvec_vfi64s : gen_helper_gvec_vfi64;
+ break;
default:
g_assert_not_reached();
}
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c
index 3c62eb5787..bdcafc6738 100644
--- a/target/s390x/vec_fpu_helper.c
+++ b/target/s390x/vec_fpu_helper.c
@@ -386,3 +386,26 @@ void HELPER(gvec_vfd64s)(void *v1, const void *v2, const void *v3,
{
vop64_3(v1, v2, v3, env, true, vfd64, GETPC());
}
+
+static uint64_t vfi64(uint64_t a, float_status *s)
+{
+ return float64_round_to_int(a, s);
+}
+
+void HELPER(gvec_vfi64)(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, vfi64, GETPC());
+}
+
+void HELPER(gvec_vfi64s)(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, vfi64, GETPC());
+}