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authorBastian Koppelmann <kbastian@mail.uni-paderborn.de>2023-02-02 13:04:27 +0100
committerBastian Koppelmann <kbastian@mail.uni-paderborn.de>2023-02-08 09:58:24 +0100
commit48bffe7f6b65e78d84ffae0e4385af1aa935767c (patch)
tree97a9b92e47b36b1e7fc79523ea7388fee5daeff6
parentfa581531ffdc94ba18da6ec0c566bece57a60a85 (diff)
target/tricore: Fix RRPW_DEXTR
if we used const16 == 0 we would crash qemu with the error: ../tcg/tcg-op.c:196: tcg_gen_shri_i32: Assertion `arg2 >= 0 && arg2 < 32' failed This whole instruction can be handled by 'tcg_gen_extract2_tl' which takes care of this special case as well. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Message-Id: <20230202120432.1268-6-kbastian@mail.uni-paderborn.de> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
-rw-r--r--target/tricore/translate.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 6149d4f5c0..3b4ec530b1 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -8706,15 +8706,9 @@ static void decode_32Bit_opc(DisasContext *ctx)
r2 = MASK_OP_RRPW_S2(ctx->opcode);
r3 = MASK_OP_RRPW_D(ctx->opcode);
const16 = MASK_OP_RRPW_POS(ctx->opcode);
- if (r1 == r2) {
- tcg_gen_rotli_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], const16);
- } else {
- temp = tcg_temp_new();
- tcg_gen_shli_tl(temp, cpu_gpr_d[r1], const16);
- tcg_gen_shri_tl(cpu_gpr_d[r3], cpu_gpr_d[r2], 32 - const16);
- tcg_gen_or_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], temp);
- tcg_temp_free(temp);
- }
+
+ tcg_gen_extract2_tl(cpu_gpr_d[r3], cpu_gpr_d[r2], cpu_gpr_d[r1],
+ 32 - const16);
break;
/* RRR Format */
case OPCM_32_RRR_COND_SELECT: