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-rw-r--r--target-ppc/translate.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 095b83c147..889e37d272 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1691,6 +1691,12 @@ static void gen_rlwinm(DisasContext *ctx)
tcg_gen_shri_tl(t0, t0, mb);
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], t0);
tcg_temp_free(t0);
+ } else if (likely(mb == 0 && me == 31)) {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ tcg_gen_trunc_tl_i32(t0, cpu_gpr[rS(ctx->opcode)]);
+ tcg_gen_rotli_i32(t0, t0, sh);
+ tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ tcg_temp_free_i32(t0);
} else {
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)