From a036f5302c13634f3d375615b2949fd1fa1657b6 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 25 Mar 2019 14:16:46 +0000 Subject: [PATCH] target/arm: Fix non-parallel expansion of CASP MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The second word has been loaded from the unincremented address since the first commit. Fixes: 44ac14b06fa Reported-by: Alex Bennée Signed-off-by: Richard Henderson Reviewed-by: Alex Bennée Tested-by: Alex Bennée Message-id: 20190322234302.12770-1-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/translate-a64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 1959046343..dcdeb80176 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -2510,7 +2510,7 @@ static void gen_compare_and_swap_pair(DisasContext *s, int rs, int rt, tcg_gen_qemu_ld_i64(d1, clean_addr, memidx, MO_64 | MO_ALIGN_16 | s->be_data); tcg_gen_addi_i64(a2, clean_addr, 8); - tcg_gen_qemu_ld_i64(d2, clean_addr, memidx, MO_64 | s->be_data); + tcg_gen_qemu_ld_i64(d2, a2, memidx, MO_64 | s->be_data); /* Compare the two words, also in memory order. */ tcg_gen_setcond_i64(TCG_COND_EQ, c1, d1, s1);