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[PATCH v2 096/100] target/arm: Share table of sve load functions
From: |
Richard Henderson |
Subject: |
[PATCH v2 096/100] target/arm: Share table of sve load functions |
Date: |
Wed, 17 Jun 2020 21:26:40 -0700 |
The table used by do_ldrq is a subset of the table used
by do_ld_zpa; we can share them by passing dtype instead
of msz to do_ldrq.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/translate-sve.c | 120 ++++++++++++++++++-------------------
1 file changed, 58 insertions(+), 62 deletions(-)
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index f3b2463b7c..6bdff5ceca 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -5190,61 +5190,63 @@ static void do_mem_zpa(DisasContext *s, int zt, int pg,
TCGv_i64 addr,
tcg_temp_free_i32(t_desc);
}
+/* Indexed by [be][dtype][nreg] */
+static gen_helper_gvec_mem * const ldr_fns[2][16][4] = {
+ /* Little-endian */
+ { { gen_helper_sve_ld1bb_r, gen_helper_sve_ld2bb_r,
+ gen_helper_sve_ld3bb_r, gen_helper_sve_ld4bb_r },
+ { gen_helper_sve_ld1bhu_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bsu_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bdu_r, NULL, NULL, NULL },
+
+ { gen_helper_sve_ld1sds_le_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1hh_le_r, gen_helper_sve_ld2hh_le_r,
+ gen_helper_sve_ld3hh_le_r, gen_helper_sve_ld4hh_le_r },
+ { gen_helper_sve_ld1hsu_le_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1hdu_le_r, NULL, NULL, NULL },
+
+ { gen_helper_sve_ld1hds_le_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1hss_le_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1ss_le_r, gen_helper_sve_ld2ss_le_r,
+ gen_helper_sve_ld3ss_le_r, gen_helper_sve_ld4ss_le_r },
+ { gen_helper_sve_ld1sdu_le_r, NULL, NULL, NULL },
+
+ { gen_helper_sve_ld1bds_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bss_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bhs_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1dd_le_r, gen_helper_sve_ld2dd_le_r,
+ gen_helper_sve_ld3dd_le_r, gen_helper_sve_ld4dd_le_r } },
+
+ /* Big-endian */
+ { { gen_helper_sve_ld1bb_r, gen_helper_sve_ld2bb_r,
+ gen_helper_sve_ld3bb_r, gen_helper_sve_ld4bb_r },
+ { gen_helper_sve_ld1bhu_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bsu_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bdu_r, NULL, NULL, NULL },
+
+ { gen_helper_sve_ld1sds_be_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1hh_be_r, gen_helper_sve_ld2hh_be_r,
+ gen_helper_sve_ld3hh_be_r, gen_helper_sve_ld4hh_be_r },
+ { gen_helper_sve_ld1hsu_be_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1hdu_be_r, NULL, NULL, NULL },
+
+ { gen_helper_sve_ld1hds_be_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1hss_be_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1ss_be_r, gen_helper_sve_ld2ss_be_r,
+ gen_helper_sve_ld3ss_be_r, gen_helper_sve_ld4ss_be_r },
+ { gen_helper_sve_ld1sdu_be_r, NULL, NULL, NULL },
+
+ { gen_helper_sve_ld1bds_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bss_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1bhs_r, NULL, NULL, NULL },
+ { gen_helper_sve_ld1dd_be_r, gen_helper_sve_ld2dd_be_r,
+ gen_helper_sve_ld3dd_be_r, gen_helper_sve_ld4dd_be_r } }
+};
+
static void do_ld_zpa(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int dtype, int nreg)
{
- static gen_helper_gvec_mem * const fns[2][16][4] = {
- /* Little-endian */
- { { gen_helper_sve_ld1bb_r, gen_helper_sve_ld2bb_r,
- gen_helper_sve_ld3bb_r, gen_helper_sve_ld4bb_r },
- { gen_helper_sve_ld1bhu_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bsu_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bdu_r, NULL, NULL, NULL },
-
- { gen_helper_sve_ld1sds_le_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1hh_le_r, gen_helper_sve_ld2hh_le_r,
- gen_helper_sve_ld3hh_le_r, gen_helper_sve_ld4hh_le_r },
- { gen_helper_sve_ld1hsu_le_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1hdu_le_r, NULL, NULL, NULL },
-
- { gen_helper_sve_ld1hds_le_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1hss_le_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1ss_le_r, gen_helper_sve_ld2ss_le_r,
- gen_helper_sve_ld3ss_le_r, gen_helper_sve_ld4ss_le_r },
- { gen_helper_sve_ld1sdu_le_r, NULL, NULL, NULL },
-
- { gen_helper_sve_ld1bds_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bss_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bhs_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1dd_le_r, gen_helper_sve_ld2dd_le_r,
- gen_helper_sve_ld3dd_le_r, gen_helper_sve_ld4dd_le_r } },
-
- /* Big-endian */
- { { gen_helper_sve_ld1bb_r, gen_helper_sve_ld2bb_r,
- gen_helper_sve_ld3bb_r, gen_helper_sve_ld4bb_r },
- { gen_helper_sve_ld1bhu_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bsu_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bdu_r, NULL, NULL, NULL },
-
- { gen_helper_sve_ld1sds_be_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1hh_be_r, gen_helper_sve_ld2hh_be_r,
- gen_helper_sve_ld3hh_be_r, gen_helper_sve_ld4hh_be_r },
- { gen_helper_sve_ld1hsu_be_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1hdu_be_r, NULL, NULL, NULL },
-
- { gen_helper_sve_ld1hds_be_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1hss_be_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1ss_be_r, gen_helper_sve_ld2ss_be_r,
- gen_helper_sve_ld3ss_be_r, gen_helper_sve_ld4ss_be_r },
- { gen_helper_sve_ld1sdu_be_r, NULL, NULL, NULL },
-
- { gen_helper_sve_ld1bds_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bss_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1bhs_r, NULL, NULL, NULL },
- { gen_helper_sve_ld1dd_be_r, gen_helper_sve_ld2dd_be_r,
- gen_helper_sve_ld3dd_be_r, gen_helper_sve_ld4dd_be_r } }
- };
- gen_helper_gvec_mem *fn = fns[s->be_data == MO_BE][dtype][nreg];
+ gen_helper_gvec_mem *fn = ldr_fns[s->be_data == MO_BE][dtype][nreg];
/* While there are holes in the table, they are not
* accessible via the instruction encoding.
@@ -5397,14 +5399,8 @@ static bool trans_LDNF1_zpri(DisasContext *s,
arg_rpri_load *a)
return true;
}
-static void do_ldrq(DisasContext *s, int zt, int pg, TCGv_i64 addr, int msz)
+static void do_ldrq(DisasContext *s, int zt, int pg, TCGv_i64 addr, int dtype)
{
- static gen_helper_gvec_mem * const fns[2][4] = {
- { gen_helper_sve_ld1bb_r, gen_helper_sve_ld1hh_le_r,
- gen_helper_sve_ld1ss_le_r, gen_helper_sve_ld1dd_le_r },
- { gen_helper_sve_ld1bb_r, gen_helper_sve_ld1hh_be_r,
- gen_helper_sve_ld1ss_be_r, gen_helper_sve_ld1dd_be_r },
- };
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_pg;
TCGv_i32 t_desc;
@@ -5436,7 +5432,7 @@ static void do_ldrq(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int msz)
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_pg, cpu_env, poff);
- fns[s->be_data == MO_BE][msz](cpu_env, t_pg, addr, t_desc);
+ ldr_fns[s->be_data == MO_BE][dtype][0](cpu_env, t_pg, addr, t_desc);
tcg_temp_free_ptr(t_pg);
tcg_temp_free_i32(t_desc);
@@ -5458,7 +5454,7 @@ static bool trans_LD1RQ_zprr(DisasContext *s,
arg_rprr_load *a)
TCGv_i64 addr = new_tmp_a64(s);
tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), msz);
tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn));
- do_ldrq(s, a->rd, a->pg, addr, msz);
+ do_ldrq(s, a->rd, a->pg, addr, a->dtype);
}
return true;
}
@@ -5468,7 +5464,7 @@ static bool trans_LD1RQ_zpri(DisasContext *s,
arg_rpri_load *a)
if (sve_access_check(s)) {
TCGv_i64 addr = new_tmp_a64(s);
tcg_gen_addi_i64(addr, cpu_reg_sp(s, a->rn), a->imm * 16);
- do_ldrq(s, a->rd, a->pg, addr, dtype_msz(a->dtype));
+ do_ldrq(s, a->rd, a->pg, addr, a->dtype);
}
return true;
}
--
2.25.1
- [PATCH v2 086/100] target/arm: Implement SVE2 crypto unary operations, (continued)
- [PATCH v2 086/100] target/arm: Implement SVE2 crypto unary operations, Richard Henderson, 2020/06/18
- [PATCH v2 088/100] target/arm: Implement SVE2 crypto constructive binary operations, Richard Henderson, 2020/06/18
- [PATCH v2 089/100] target/arm: Implement SVE2 TBL, TBX, Richard Henderson, 2020/06/18
- [PATCH v2 085/100] target/arm: Implement SVE mixed sign dot product, Richard Henderson, 2020/06/18
- [PATCH v2 090/100] target/arm: Implement SVE2 FCVTNT, Richard Henderson, 2020/06/18
- [PATCH v2 091/100] target/arm: Implement SVE2 FCVTLT, Richard Henderson, 2020/06/18
- [PATCH v2 092/100] target/arm: Implement SVE2 FCVTXNT, FCVTX, Richard Henderson, 2020/06/18
- [PATCH v2 093/100] softfloat: Add float16_is_normal, Richard Henderson, 2020/06/18
- [PATCH v2 094/100] target/arm: Implement SVE2 FLOGB, Richard Henderson, 2020/06/18
- [PATCH v2 095/100] tcg: Implement 256-bit dup for tcg_gen_gvec_dup_mem, Richard Henderson, 2020/06/18
- [PATCH v2 096/100] target/arm: Share table of sve load functions,
Richard Henderson <=
- [PATCH v2 097/100] target/arm: Implement SVE2 LD1RO, Richard Henderson, 2020/06/18
- [PATCH v2 099/100] target/arm: Implement SVE2 bitwise shift immediate, Richard Henderson, 2020/06/18
- [PATCH v2 098/100] target/arm: Implement 128-bit ZIP, UZP, TRN, Richard Henderson, 2020/06/18
- [PATCH v2 100/100] target/arm: Implement SVE2 fp multiply-add long, Richard Henderson, 2020/06/18
- Re: [PATCH v2 000/100] target/arm: Implement SVE2, no-reply, 2020/06/18
- Re: [PATCH v2 000/100] target/arm: Implement SVE2, no-reply, 2020/06/18