[Qemu-devel] [PATCH] target-mips: fix ROTR and DROTR by zero

[Nathan Froyd]

Signed-off-by: Nathan Froyd <froy...@codesourcery.com>
---
 target-mips/translate.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/target-mips/translate.c b/target-mips/translate.c
index dfea6f6..de5ac18 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -1476,6 +1476,8 @@ static void gen_shift_imm(CPUState *env, DisasContext 
*ctx, uint32_t opc,
             tcg_gen_rotri_i32(t1, t1, uimm);
             tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
             tcg_temp_free_i32(t1);
+        } else {
+            tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
         }
         opn = "rotr";
         break;
@@ -1495,6 +1497,8 @@ static void gen_shift_imm(CPUState *env, DisasContext 
*ctx, uint32_t opc,
     case OPC_DROTR:
         if (uimm != 0) {
             tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
+        } else {
+            tcg_gen_mov_tl(cpu_gpr[rt], t0);
         }
         opn = "drotr";
         break;
-- 
1.6.3.2