diff options
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/translate.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index cc562abe6a..7b977a7f31 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1288,44 +1288,43 @@ GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17); #endif /* neg neg. nego nego. */ -static always_inline void gen_op_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check) +static always_inline void gen_op_arith_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check) { - int l1, l2; - - l1 = gen_new_label(); - l2 = gen_new_label(); + int l1 = gen_new_label(); + int l2 = gen_new_label(); + TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL); #if defined(TARGET_PPC64) if (ctx->sf_mode) { - tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT64_MIN, l1); - } else { - TCGv t0 = tcg_temp_new(TCG_TYPE_TL); - tcg_gen_ext32s_tl(t0, arg1); + tcg_gen_movi_tl(t0, arg1); + tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT64_MIN, l1); + } else +#endif + { + tcg_gen_ext32s_tl(t0, arg1); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT32_MIN, l1); } -#else - tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT32_MIN, l1); -#endif tcg_gen_neg_tl(ret, arg1); if (ov_check) { tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); } tcg_gen_br(l2); gen_set_label(l1); - tcg_gen_mov_tl(ret, arg1); + tcg_gen_mov_tl(ret, t0); if (ov_check) { tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); } gen_set_label(l2); + tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, ret); } GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER) { - gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0); + gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0); } GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER) { - gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1); + gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1); } /* Common subf function */ |