diff options
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 59aef855d..7e318e397 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); |