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authorDavid Hildenbrand <david@redhat.com>2019-04-11 11:42:34 +0200
committerDavid Hildenbrand <david@redhat.com>2019-05-17 10:54:13 +0200
commit8112274f86fa99f74b0ebe9e5173171f404babbb (patch)
treef98af4798e572e66a4686b0131bb70bea78470e8 /target
parent5f724887e3dd9b3e3e0911115b79fcd4a20115f4 (diff)
s390x/tcg: Implement VECTOR SHIFT RIGHT LOGICAL *
Similar to VECTOR SHIFT RIGHT ARITHMETICAL. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'target')
-rw-r--r--target/s390x/helper.h1
-rw-r--r--target/s390x/insn-data.def4
-rw-r--r--target/s390x/translate_vx.inc.c17
-rw-r--r--target/s390x/vec_int_helper.c6
4 files changed, 28 insertions, 0 deletions
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index fda274d325..0f411f2346 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -206,6 +206,7 @@ DEF_HELPER_FLAGS_4(gvec_verim8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_verim16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, 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 a5636f0733..5dfbf1bcd4 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -2106,3 +2106,20 @@ 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 67e9f2b0ed..06f8bfa30d 100644
--- a/target/s390x/vec_int_helper.c
+++ b/target/s390x/vec_int_helper.c
@@ -561,3 +561,9 @@ 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);
+}