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[Qemu-devel] [PATCH] target/s390x: Use tcg_gen_gvec_bitsel
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH] target/s390x: Use tcg_gen_gvec_bitsel |
Date: |
Mon, 3 Jun 2019 11:57:35 -0500 |
This replaces the target-specific implementations for VSEL.
Signed-off-by: Richard Henderson <address@hidden>
---
target/s390x/translate_vx.inc.c | 38 ++++++---------------------------
1 file changed, 6 insertions(+), 32 deletions(-)
diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c
index 7e0bfcb190..a8603cbfd6 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -233,6 +233,9 @@ 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
@@ -903,40 +906,11 @@ 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;
}
--
2.17.1
- [Qemu-devel] [PATCH] target/s390x: Use tcg_gen_gvec_bitsel,
Richard Henderson <=