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authorRichard Henderson <richard.henderson@linaro.org>2019-06-03 11:57:35 -0500
committerDavid Hildenbrand <david@redhat.com>2019-06-07 14:53:26 +0200
commit37c70c43dc29b764969cd8b704fbf946fcc2ef5a (patch)
treedf815a5bc1fa5c456c459b709a63644e8ade538d /target
parent08ef92d556c584c7faf594ff3af46df456276e1b (diff)
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s390x/tcg: Use tcg_gen_gvec_bitsel for VECTOR SELECT
This replaces the target-specific implementations for VSEL. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'target')
-rw-r--r--target/s390x/translate_vx.inc.c38
1 files changed, 6 insertions, 32 deletions
diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c
index 69c675e..7b1d31c 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -245,6 +245,9 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 enr,
#define gen_gvec_fn_3(fn, es, v1, v2, v3) \
tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \
vec_full_reg_offset(v3), 16, 16)
+#define gen_gvec_fn_4(fn, es, v1, v2, v3, v4) \
+ tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \
+ vec_full_reg_offset(v3), vec_full_reg_offset(v4), 16, 16)
/*
* Helper to carry out a 128 bit vector computation using 2 i64 values per
@@ -915,40 +918,11 @@ static DisasJumpType op_vsce(DisasContext *s, DisasOps *o)
return DISAS_NEXT;
}
-static void gen_sel_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, TCGv_i64 c)
-{
- TCGv_i64 t = tcg_temp_new_i64();
-
- /* bit in c not set -> copy bit from b */
- tcg_gen_andc_i64(t, b, c);
- /* bit in c set -> copy bit from a */
- tcg_gen_and_i64(d, a, c);
- /* merge the results */
- tcg_gen_or_i64(d, d, t);
- tcg_temp_free_i64(t);
-}
-
-static void gen_sel_vec(unsigned vece, TCGv_vec d, TCGv_vec a, TCGv_vec b,
- TCGv_vec c)
-{
- TCGv_vec t = tcg_temp_new_vec_matching(d);
-
- tcg_gen_andc_vec(vece, t, b, c);
- tcg_gen_and_vec(vece, d, a, c);
- tcg_gen_or_vec(vece, d, d, t);
- tcg_temp_free_vec(t);
-}
-
static DisasJumpType op_vsel(DisasContext *s, DisasOps *o)
{
- static const GVecGen4 gvec_op = {
- .fni8 = gen_sel_i64,
- .fniv = gen_sel_vec,
- .prefer_i64 = TCG_TARGET_REG_BITS == 64,
- };
-
- gen_gvec_4(get_field(s->fields, v1), get_field(s->fields, v2),
- get_field(s->fields, v3), get_field(s->fields, v4), &gvec_op);
+ gen_gvec_fn_4(bitsel, ES_8, get_field(s->fields, v1),
+ get_field(s->fields, v4), get_field(s->fields, v2),
+ get_field(s->fields, v3));
return DISAS_NEXT;
}