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[PATCH v2 5/6] target/arm: Handle mte in do_ldrq, do_ldro
From: |
Richard Henderson |
Subject: |
[PATCH v2 5/6] target/arm: Handle mte in do_ldrq, do_ldro |
Date: |
Tue, 6 Feb 2024 13:05:26 +1000 |
These functions "use the standard load helpers", but
fail to clean_data_tbi or populate mtedesc.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/tcg/translate-sve.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c
index 8868aae5ac..fb3bcb47f6 100644
--- a/target/arm/tcg/translate-sve.c
+++ b/target/arm/tcg/translate-sve.c
@@ -4861,8 +4861,13 @@ static void do_ldrq(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int dtype)
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_pg;
int poff;
+ uint32_t desc;
/* Load the first quadword using the normal predicated load helpers. */
+ if (!s->mte_active[0]) {
+ addr = clean_data_tbi(s, addr);
+ }
+
poff = pred_full_reg_offset(s, pg);
if (vsz > 16) {
/*
@@ -4886,7 +4891,8 @@ static void do_ldrq(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int dtype)
gen_helper_gvec_mem *fn
= ldr_fns[s->mte_active[0]][s->be_data == MO_BE][dtype][0];
- fn(tcg_env, t_pg, addr, tcg_constant_i32(simd_desc(16, 16, zt)));
+ desc = make_svemte_desc(s, 16, 1, dtype_msz(dtype), false, zt);
+ fn(tcg_env, t_pg, addr, tcg_constant_i32(desc));
/* Replicate that first quadword. */
if (vsz > 16) {
@@ -4929,6 +4935,7 @@ static void do_ldro(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int dtype)
unsigned vsz_r32;
TCGv_ptr t_pg;
int poff, doff;
+ uint32_t desc;
if (vsz < 32) {
/*
@@ -4941,6 +4948,9 @@ static void do_ldro(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int dtype)
}
/* Load the first octaword using the normal predicated load helpers. */
+ if (!s->mte_active[0]) {
+ addr = clean_data_tbi(s, addr);
+ }
poff = pred_full_reg_offset(s, pg);
if (vsz > 32) {
@@ -4965,7 +4975,8 @@ static void do_ldro(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int dtype)
gen_helper_gvec_mem *fn
= ldr_fns[s->mte_active[0]][s->be_data == MO_BE][dtype][0];
- fn(tcg_env, t_pg, addr, tcg_constant_i32(simd_desc(32, 32, zt)));
+ desc = make_svemte_desc(s, 32, 1, dtype_msz(dtype), false, zt);
+ fn(tcg_env, t_pg, addr, tcg_constant_i32(desc));
/*
* Replicate that first octaword.
--
2.34.1
- [PATCH v2 0/6] target/arm: assorted mte fixes, Richard Henderson, 2024/02/05
- [PATCH v2 1/6] linux-user/aarch64: Extend PR_SET_TAGGED_ADDR_CTRL for FEAT_MTE3, Richard Henderson, 2024/02/05
- [PATCH v2 5/6] target/arm: Handle mte in do_ldrq, do_ldro,
Richard Henderson <=
- [PATCH v2 2/6] target/arm: Fix nregs computation in do_ld_zpa, Richard Henderson, 2024/02/05
- [PATCH v2 4/6] target/arm: Split out make_svemte_desc, Richard Henderson, 2024/02/05
- [PATCH v2 3/6] target/arm: Adjust and validate mtedesc sizem1, Richard Henderson, 2024/02/05
- [PATCH v2 6/6] target/arm: Fix SVE/SME gross MTE suppression checks, Richard Henderson, 2024/02/05