diff mbox series

[v2,33/41] s390x/tcg: Implement VECTOR SHIFT RIGHT LOGICAL *

Message ID 20190416185301.25344-34-david@redhat.com
State New
Headers show
Series s390x/tcg: Vector Instruction Support Part 2 | expand

Commit Message

David Hildenbrand April 16, 2019, 6:52 p.m. UTC 
Similar to VECTOR SHIFT RIGHT ARITHMETICAL.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/helper.h           |  1 +
 target/s390x/insn-data.def      |  4 ++++
 target/s390x/translate_vx.inc.c | 17 +++++++++++++++++
 target/s390x/vec_int_helper.c   |  6 ++++++
 4 files changed, 28 insertions(+)
diff mbox series

Patch

diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index 53c8b6f4bd..e6d86736e2 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -226,6 +226,7 @@  DEF_HELPER_FLAGS_4(gvec_vesrl8, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)
 DEF_HELPER_FLAGS_4(gvec_vesrl16, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)
 DEF_HELPER_FLAGS_4(gvec_vsl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)
 DEF_HELPER_FLAGS_4(gvec_vsra, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_vsrl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, 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 587de3eaac..f3bf9edfca 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1170,6 +1170,10 @@ 
     F(0xe77e, VSRA,    VRR_c, V,   0, 0, 0, 0, vsra, 0, IF_VEC)
 /* VECTOR SHIFT RIGHT ARITHMETIC BY BYTE */
     F(0xe77f, VSRAB,   VRR_c, V,   0, 0, 0, 0, vsra, 0, IF_VEC)
+/* VECTOR SHIFT RIGHT LOGICAL */
+    F(0xe77c, VSRL,    VRR_c, V,   0, 0, 0, 0, vsrl, 0, IF_VEC)
+/* VECTOR SHIFT RIGHT LOGICAL BY BYTE */
+    F(0xe77d, VSRLB,   VRR_c, V,   0, 0, 0, 0, vsrl, 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 7b5f484359..6188f5b11e 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -2159,3 +2159,20 @@  static DisasJumpType op_vsra(DisasContext *s, DisasOps *o)
     tcg_temp_free_i64(shift);
     return DISAS_NEXT;
 }
+
+static DisasJumpType op_vsrl(DisasContext *s, DisasOps *o)
+{
+    TCGv_i64 shift = tcg_temp_new_i64();
+
+    read_vec_element_i64(shift, get_field(s->fields, v3), 7, ES_8);
+    if (s->fields->op2 == 0x7c) {
+        tcg_gen_andi_i64(shift, shift, 0x7);
+    } else {
+        tcg_gen_andi_i64(shift, shift, 0x78);
+    }
+
+    gen_gvec_2i_ool(get_field(s->fields, v1), get_field(s->fields, v2),
+                    shift, 0, gen_helper_gvec_vsrl);
+    tcg_temp_free_i64(shift);
+    return DISAS_NEXT;
+}
diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c
index 056e17d3c7..04ee2be4f9 100644
--- a/target/s390x/vec_int_helper.c
+++ b/target/s390x/vec_int_helper.c
@@ -674,3 +674,9 @@  void HELPER(gvec_vsra)(void *v1, const void *v2, uint64_t count,
 {
     s390_vec_sar(v1, v2, count);
 }
+
+void HELPER(gvec_vsrl)(void *v1, const void *v2, uint64_t count,
+                       uint32_t desc)
+{
+    s390_vec_shr(v1, v2, count);
+}