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[PATCH v7 30/42] target/arm: Use mte_check1 for sve LD1R


From: Richard Henderson
Subject: [PATCH v7 30/42] target/arm: Use mte_check1 for sve LD1R
Date: Tue, 2 Jun 2020 18:13:05 -0700

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/translate-sve.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index e515646db2..4b3b879815 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -4830,16 +4830,16 @@ static bool trans_LD1RQ_zpri(DisasContext *s, 
arg_rpri_load *a)
 /* Load and broadcast element.  */
 static bool trans_LD1R_zpri(DisasContext *s, arg_rpri_load *a)
 {
-    if (!sve_access_check(s)) {
-        return true;
-    }
-
     unsigned vsz = vec_full_reg_size(s);
     unsigned psz = pred_full_reg_size(s);
     unsigned esz = dtype_esz[a->dtype];
     unsigned msz = dtype_msz(a->dtype);
     TCGLabel *over = gen_new_label();
-    TCGv_i64 temp;
+    TCGv_i64 temp, clean_addr;
+
+    if (!sve_access_check(s)) {
+        return true;
+    }
 
     /* If the guarding predicate has no bits set, no load occurs.  */
     if (psz <= 8) {
@@ -4862,7 +4862,9 @@ static bool trans_LD1R_zpri(DisasContext *s, 
arg_rpri_load *a)
     /* Load the data.  */
     temp = tcg_temp_new_i64();
     tcg_gen_addi_i64(temp, cpu_reg_sp(s, a->rn), a->imm << msz);
-    tcg_gen_qemu_ld_i64(temp, temp, get_mem_index(s),
+    clean_addr = gen_mte_check1(s, temp, false, true, msz);
+
+    tcg_gen_qemu_ld_i64(temp, clean_addr, get_mem_index(s),
                         s->be_data | dtype_mop[a->dtype]);
 
     /* Broadcast to *all* elements.  */
-- 
2.25.1




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