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-rw-r--r--target-ppc/translate.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 59aef855d4..7e318e397a 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -3878,24 +3878,19 @@ static void gen_mtmsr(DisasContext *ctx)
tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
tcg_temp_free(t0);
} else {
+ TCGv msr = tcg_temp_new();
+
/* XXX: we need to update nip before the store
* if we enter power saving mode, we will exit the loop
* directly from ppc_store_msr
*/
gen_update_nip(ctx, ctx->nip);
#if defined(TARGET_PPC64)
- if (!ctx->sf_mode) {
- TCGv t0 = tcg_temp_new();
- TCGv t1 = tcg_temp_new();
- tcg_gen_andi_tl(t0, cpu_msr, 0xFFFFFFFF00000000ULL);
- tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_or_tl(t0, t0, t1);
- tcg_temp_free(t1);
- gen_helper_store_msr(t0);
- tcg_temp_free(t0);
- } else
+ tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
+#else
+ tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
#endif
- gen_helper_store_msr(cpu_gpr[rS(ctx->opcode)]);
+ gen_helper_store_msr(msr);
/* Must stop the translation as machine state (may have) changed */
/* Note that mtmsr is not always defined as context-synchronizing */
gen_stop_exception(ctx);