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>
This commit is contained in:
Edgar E. Iglesias 2018-04-13 20:45:14 +02:00
parent 5153bb897a
commit df1e528aad

View File

@ -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;
}