From patchwork Sat Feb 20 18:24:07 2010
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Subject: target-mips: fix ROTR and DROTR by zero
Date: Sat, 20 Feb 2010 08:24:07 -0000
From: Nathan Froyd <froydnj@codesourcery.com>
X-Patchwork-Id: 45928
Message-Id: <1266690247-29046-1-git-send-email-froydnj@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: aurelien@aurel32.net

Signed-off-by: Nathan Froyd <froydnj@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;