diff options
Diffstat (limited to 'target-alpha/translate.c')
| -rw-r--r-- | target-alpha/translate.c | 63 |
1 files changed, 27 insertions, 36 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c index b378e90b61..4299104074 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -2203,7 +2203,10 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) goto invalid_opc; } break; + case 0x12: + vc = dest_gpr(ctx, rc); + va = load_gpr(ctx, ra); switch (fn7) { case 0x02: /* MSKBL */ @@ -2255,18 +2258,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x34: /* SRL */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f); - } else { - TCGv shift = tcg_temp_new(); - tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f); - tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], shift); - tcg_temp_free(shift); - } - } else - tcg_gen_movi_i64(cpu_ir[rc], 0); + if (islit) { + tcg_gen_shri_i64(vc, va, lit & 0x3f); + } else { + tmp = tcg_temp_new(); + vb = load_gpr(ctx, rb); + tcg_gen_andi_i64(tmp, vb, 0x3f); + tcg_gen_shr_i64(vc, va, tmp); + tcg_temp_free(tmp); } break; case 0x36: @@ -2275,18 +2274,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x39: /* SLL */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f); - } else { - TCGv shift = tcg_temp_new(); - tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f); - tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], shift); - tcg_temp_free(shift); - } - } else - tcg_gen_movi_i64(cpu_ir[rc], 0); + if (islit) { + tcg_gen_shli_i64(vc, va, lit & 0x3f); + } else { + tmp = tcg_temp_new(); + vb = load_gpr(ctx, rb); + tcg_gen_andi_i64(tmp, vb, 0x3f); + tcg_gen_shl_i64(vc, va, tmp); + tcg_temp_free(tmp); } break; case 0x3B: @@ -2295,18 +2290,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x3C: /* SRA */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_sari_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f); - } else { - TCGv shift = tcg_temp_new(); - tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f); - tcg_gen_sar_i64(cpu_ir[rc], cpu_ir[ra], shift); - tcg_temp_free(shift); - } - } else - tcg_gen_movi_i64(cpu_ir[rc], 0); + if (islit) { + tcg_gen_sari_i64(vc, va, lit & 0x3f); + } else { + tmp = tcg_temp_new(); + vb = load_gpr(ctx, rb); + tcg_gen_andi_i64(tmp, vb, 0x3f); + tcg_gen_sar_i64(vc, va, tmp); + tcg_temp_free(tmp); } break; case 0x52: |