diff options
Diffstat (limited to 'target-alpha/translate.c')
| -rw-r--r-- | target-alpha/translate.c | 60 |
1 files changed, 53 insertions, 7 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c index 7868cc45a7..74f5d07f56 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -1362,7 +1362,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) uint16_t fn11; uint8_t opc, ra, rb, rc, fpfn, fn7, lit; bool islit; - TCGv va, vb, vc, tmp; + TCGv va, vb, vc, tmp, tmp2; TCGv_i32 t32; ExitStatus ret; @@ -1574,11 +1574,23 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x40: /* ADDL/V */ - gen_helper_addlv(vc, cpu_env, va, vb); + tmp = tcg_temp_new(); + tcg_gen_ext32s_i64(tmp, va); + tcg_gen_ext32s_i64(vc, vb); + tcg_gen_add_i64(tmp, tmp, vc); + tcg_gen_ext32s_i64(vc, tmp); + gen_helper_check_overflow(cpu_env, vc, tmp); + tcg_temp_free(tmp); break; case 0x49: /* SUBL/V */ - gen_helper_sublv(vc, cpu_env, va, vb); + tmp = tcg_temp_new(); + tcg_gen_ext32s_i64(tmp, va); + tcg_gen_ext32s_i64(vc, vb); + tcg_gen_sub_i64(tmp, tmp, vc); + tcg_gen_ext32s_i64(vc, tmp); + gen_helper_check_overflow(cpu_env, vc, tmp); + tcg_temp_free(tmp); break; case 0x4D: /* CMPLT */ @@ -1586,11 +1598,33 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x60: /* ADDQ/V */ - gen_helper_addqv(vc, cpu_env, va, vb); + tmp = tcg_temp_new(); + tmp2 = tcg_temp_new(); + tcg_gen_eqv_i64(tmp, va, vb); + tcg_gen_mov_i64(tmp2, va); + tcg_gen_add_i64(vc, va, vb); + tcg_gen_xor_i64(tmp2, tmp2, vc); + tcg_gen_and_i64(tmp, tmp, tmp2); + tcg_gen_shri_i64(tmp, tmp, 63); + tcg_gen_movi_i64(tmp2, 0); + gen_helper_check_overflow(cpu_env, tmp, tmp2); + tcg_temp_free(tmp); + tcg_temp_free(tmp2); break; case 0x69: /* SUBQ/V */ - gen_helper_subqv(vc, cpu_env, va, vb); + tmp = tcg_temp_new(); + tmp2 = tcg_temp_new(); + tcg_gen_xor_i64(tmp, va, vb); + tcg_gen_mov_i64(tmp2, va); + tcg_gen_sub_i64(vc, va, vb); + tcg_gen_xor_i64(tmp2, tmp2, vc); + tcg_gen_and_i64(tmp, tmp, tmp2); + tcg_gen_shri_i64(tmp, tmp, 63); + tcg_gen_movi_i64(tmp2, 0); + gen_helper_check_overflow(cpu_env, tmp, tmp2); + tcg_temp_free(tmp); + tcg_temp_free(tmp2); break; case 0x6D: /* CMPLE */ @@ -1885,11 +1919,23 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x40: /* MULL/V */ - gen_helper_mullv(vc, cpu_env, va, vb); + tmp = tcg_temp_new(); + tcg_gen_ext32s_i64(tmp, va); + tcg_gen_ext32s_i64(vc, vb); + tcg_gen_mul_i64(tmp, tmp, vc); + tcg_gen_ext32s_i64(vc, tmp); + gen_helper_check_overflow(cpu_env, vc, tmp); + tcg_temp_free(tmp); break; case 0x60: /* MULQ/V */ - gen_helper_mulqv(vc, cpu_env, va, vb); + tmp = tcg_temp_new(); + tmp2 = tcg_temp_new(); + tcg_gen_muls2_i64(vc, tmp, va, vb); + tcg_gen_sari_i64(tmp2, vc, 63); + gen_helper_check_overflow(cpu_env, tmp, tmp2); + tcg_temp_free(tmp); + tcg_temp_free(tmp2); break; default: goto invalid_opc; |