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authorRichard Henderson <richard.henderson@linaro.org>2018-08-16 14:05:27 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-08-16 14:05:27 +0100
commitd0e372b0298f897993f831dbff7ad4f1c70f138e (patch)
tree85d7e8d8936132ef57d665e0a71af58fc9083d34 /target/arm
parent19f2acc915a0f8f443a959844540a6f09133cc96 (diff)
target/arm: Fix offset for LD1R instructions
The immediate should be scaled by the size of the memory reference, not the size of the elements into which it is loaded. Cc: qemu-stable@nongnu.org (3.0.1) Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com> Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm')
-rw-r--r--target/arm/translate-sve.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 9e63b5f8e5..f635822a61 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -4819,6 +4819,7 @@ static bool trans_LD1R_zpri(DisasContext *s, arg_rpri_load *a, uint32_t insn)
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;
@@ -4842,7 +4843,7 @@ static bool trans_LD1R_zpri(DisasContext *s, arg_rpri_load *a, uint32_t insn)
/* Load the data. */
temp = tcg_temp_new_i64();
- tcg_gen_addi_i64(temp, cpu_reg_sp(s, a->rn), a->imm << esz);
+ 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),
s->be_data | dtype_mop[a->dtype]);