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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>
This commit is contained in:
David Hildenbrand 2019-04-11 11:42:34 +02:00
parent 5f724887e3
commit 8112274f86
4 changed files with 28 additions and 0 deletions
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1
target/s390x/helper.h
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@ -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)

4
target/s390x/insn-data.def
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@ -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 */

17
target/s390x/translate_vx.inc.c
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@ -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;
}

6
target/s390x/vec_int_helper.c
View File

@ -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);
}