target/tricore: Fix OPC2_32_BO_LD_BU_PREINC

we were sign extending the result of the load, while the instruction
clearly states that the result should be unsigned.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20230202120432.1268-10-kbastian@mail.uni-paderborn.de>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>

diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 8bf78b46d0c25a33b3b9028cdb8264991a44fe3c..ab386cef50f75e621afded39df5f18f8737fb62c 100644 (file)
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -4964,7 +4964,7 @@ static void decode_bo_addrmode_ld_post_pre_base(DisasContext *ctx)
         tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
         break;
     case OPC2_32_BO_LD_BU_PREINC:
-        gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_SB);
+        gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_UB);
         break;
     case OPC2_32_BO_LD_D_SHORTOFF:
         CHECK_REG_PAIR(r1);