From: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Date: Fri, 13 Apr 2018 18:45:14 +0000 (+0200)
Subject: target-microblaze: Don't clobber the IMM reg for ld/st reversed
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=df1e528aad265a5c6ad7c84ef2861a5e4b2913bf;p=qemu.git

target-microblaze: Don't clobber the IMM reg for ld/st reversed

Do not clobber the IMM register on reversed load/stores.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index ec12fed49d..100883e2cc 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -952,7 +952,6 @@ static void dec_load(DisasContext *dc)
                 tcg_gen_sub_tl(low, tcg_const_tl(3), low);
                 tcg_gen_andi_tl(t, t, ~3);
                 tcg_gen_or_tl(t, t, low);
-                tcg_gen_mov_tl(env_imm, t);
                 tcg_temp_free(low);
                 break;
             }
@@ -1104,7 +1103,6 @@ static void dec_store(DisasContext *dc)
                 tcg_gen_sub_tl(low, tcg_const_tl(3), low);
                 tcg_gen_andi_tl(t, t, ~3);
                 tcg_gen_or_tl(t, t, low);
-                tcg_gen_mov_tl(env_imm, t);
                 tcg_temp_free(low);
                 break;
             }