diff options
Diffstat (limited to 'target-alpha')
| -rw-r--r-- | target-alpha/translate.c | 126 |
1 files changed, 37 insertions, 89 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c index 93bdc64e4f..b378e90b61 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -2100,32 +2100,43 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) goto invalid_opc; } break; + case 0x11: - switch (fn7) { - case 0x00: - /* AND */ - if (likely(rc != 31)) { - if (ra == 31) { - tcg_gen_movi_i64(cpu_ir[rc], 0); - } else if (islit) { - tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], lit); + if (fn7 == 0x20) { + if (rc == 31) { + /* Special case BIS as NOP. */ + break; + } + if (ra == 31) { + /* Special case BIS as MOV. */ + vc = dest_gpr(ctx, rc); + if (islit) { + tcg_gen_movi_i64(vc, lit); } else { - tcg_gen_and_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); + tcg_gen_mov_i64(vc, load_gpr(ctx, rb)); } + break; } + } + + vc = dest_gpr(ctx, rc); + vb = load_gpr_lit(ctx, rb, lit, islit); + + if (fn7 == 0x28 && ra == 31) { + /* Special case ORNOT as NOT. */ + tcg_gen_not_i64(vc, vb); + break; + } + + va = load_gpr(ctx, ra); + switch (fn7) { + case 0x00: + /* AND */ + tcg_gen_and_i64(vc, va, vb); break; case 0x08: /* BIC */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], ~lit); - } else { - tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); - } - } else - tcg_gen_movi_i64(cpu_ir[rc], 0); - } + tcg_gen_andc_i64(vc, va, vb); break; case 0x14: /* CMOVLBS */ @@ -2137,21 +2148,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x20: /* BIS */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], lit); - } else { - tcg_gen_or_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); - } - } else { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], lit); - } else { - tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); - } - } - } + tcg_gen_or_i64(vc, va, vb); break; case 0x24: /* CMOVEQ */ @@ -2163,39 +2160,11 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x28: /* ORNOT */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], ~lit); - } else { - tcg_gen_orc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); - } - } else { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], ~lit); - } else { - tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]); - } - } - } + tcg_gen_orc_i64(vc, va, vb); break; case 0x40: /* XOR */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], lit); - } else { - tcg_gen_xor_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); - } - } else { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], lit); - } else { - tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); - } - } - } + tcg_gen_xor_i64(vc, va, vb); break; case 0x44: /* CMOVLT */ @@ -2207,33 +2176,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x48: /* EQV */ - if (likely(rc != 31)) { - if (ra != 31) { - if (islit) { - tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], ~lit); - } else { - tcg_gen_eqv_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); - } - } else { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], ~lit); - } else { - tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]); - } - } - } + tcg_gen_eqv_i64(vc, va, vb); break; case 0x61: /* AMASK */ REQUIRE_REG_31(ra); - if (likely(rc != 31)) { + { uint64_t amask = ctx->tb->flags >> TB_FLAGS_AMASK_SHIFT; - - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], lit & ~amask); - } else { - tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[rb], ~amask); - } + tcg_gen_andi_i64(vc, vb, ~amask); } break; case 0x64: @@ -2247,9 +2197,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) case 0x6C: /* IMPLVER */ REQUIRE_REG_31(ra); - if (rc != 31) { - tcg_gen_movi_i64(cpu_ir[rc], ctx->implver); - } + tcg_gen_movi_i64(vc, ctx->implver); break; default: goto invalid_opc; |