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Diffstat (limited to 'target/mips/translate.c')
-rw-r--r--target/mips/translate.c374
1 files changed, 309 insertions, 65 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 20b43c0337..bdd880bb77 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -902,8 +902,21 @@ enum {
     OPC_MTTR     = (0x0C << 21) | OPC_CP0,
     OPC_WRPGPR   = (0x0E << 21) | OPC_CP0,
     OPC_C0       = (0x10 << 21) | OPC_CP0,
-    OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
-    OPC_C0_LAST  = (0x1F << 21) | OPC_CP0,
+    OPC_C0_1     = (0x11 << 21) | OPC_CP0,
+    OPC_C0_2     = (0x12 << 21) | OPC_CP0,
+    OPC_C0_3     = (0x13 << 21) | OPC_CP0,
+    OPC_C0_4     = (0x14 << 21) | OPC_CP0,
+    OPC_C0_5     = (0x15 << 21) | OPC_CP0,
+    OPC_C0_6     = (0x16 << 21) | OPC_CP0,
+    OPC_C0_7     = (0x17 << 21) | OPC_CP0,
+    OPC_C0_8     = (0x18 << 21) | OPC_CP0,
+    OPC_C0_9     = (0x19 << 21) | OPC_CP0,
+    OPC_C0_A     = (0x1A << 21) | OPC_CP0,
+    OPC_C0_B     = (0x1B << 21) | OPC_CP0,
+    OPC_C0_C     = (0x1C << 21) | OPC_CP0,
+    OPC_C0_D     = (0x1D << 21) | OPC_CP0,
+    OPC_C0_E     = (0x1E << 21) | OPC_CP0,
+    OPC_C0_F     = (0x1F << 21) | OPC_CP0,
 };
 
 /* MFMC0 opcodes */
@@ -4884,12 +4897,11 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
 {
     const char *rn = "invalid";
 
-    CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
-
     switch (reg) {
     case 2:
         switch (sel) {
         case 0:
+            CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
             gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
             rn = "EntryLo0";
             break;
@@ -4900,6 +4912,7 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
     case 3:
         switch (sel) {
         case 0:
+            CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
             gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
             rn = "EntryLo1";
             break;
@@ -4952,12 +4965,11 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
     const char *rn = "invalid";
     uint64_t mask = ctx->PAMask >> 36;
 
-    CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
-
     switch (reg) {
     case 2:
         switch (sel) {
         case 0:
+            CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
             tcg_gen_andi_tl(arg, arg, mask);
             gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
             rn = "EntryLo0";
@@ -4969,6 +4981,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
     case 3:
         switch (sel) {
         case 0:
+            CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
             tcg_gen_andi_tl(arg, arg, mask);
             gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
             rn = "EntryLo1";
@@ -5315,7 +5328,13 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
             rn = "BadInstrP";
             break;
-        default:
+        case 3:
+            CP0_CHECK(ctx->bi);
+            gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
+            tcg_gen_andi_tl(arg, arg, ~0xffff);
+            rn = "BadInstrX";
+            break;
+       default:
             goto cp0_unimplemented;
         }
         break;
@@ -5494,7 +5513,15 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 18:
         switch (sel) {
-        case 0 ... 7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_1e0i(mfc0_watchlo, arg, sel);
             rn = "WatchLo";
             break;
@@ -5504,7 +5531,15 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 19:
         switch (sel) {
-        case 0 ...7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_1e0i(mfc0_watchhi, arg, sel);
             rn = "WatchHi";
             break;
@@ -5630,7 +5665,10 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 27:
         switch (sel) {
-        case 0 ... 3:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
             tcg_gen_movi_tl(arg, 0); /* unimplemented */
             rn = "CacheErr";
             break;
@@ -5701,7 +5739,12 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
             rn = "DESAVE";
             break;
-        case 2 ... 7:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
             CP0_CHECK(ctx->kscrexist & (1 << sel));
             tcg_gen_ld_tl(arg, cpu_env,
                           offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
@@ -5984,6 +6027,10 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             /* ignored */
             rn = "BadInstrP";
             break;
+        case 3:
+            /* ignored */
+            rn = "BadInstrX";
+            break;
         default:
             goto cp0_unimplemented;
         }
@@ -6167,7 +6214,15 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 18:
         switch (sel) {
-        case 0 ... 7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_0e1i(mtc0_watchlo, arg, sel);
             rn = "WatchLo";
             break;
@@ -6177,7 +6232,15 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 19:
         switch (sel) {
-        case 0 ... 7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_0e1i(mtc0_watchhi, arg, sel);
             rn = "WatchHi";
             break;
@@ -6315,7 +6378,10 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 27:
         switch (sel) {
-        case 0 ... 3:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
             /* ignored */
             rn = "CacheErr";
             break;
@@ -6381,7 +6447,12 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
             rn = "DESAVE";
             break;
-        case 2 ... 7:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
             CP0_CHECK(ctx->kscrexist & (1 << sel));
             tcg_gen_st_tl(arg, cpu_env,
                           offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
@@ -6667,6 +6738,12 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
             rn = "BadInstrP";
             break;
+        case 3:
+            CP0_CHECK(ctx->bi);
+            gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
+            tcg_gen_andi_tl(arg, arg, ~0xffff);
+            rn = "BadInstrX";
+            break;
         default:
             goto cp0_unimplemented;
         }
@@ -6842,7 +6919,15 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 18:
         switch (sel) {
-        case 0 ... 7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_1e0i(dmfc0_watchlo, arg, sel);
             rn = "WatchLo";
             break;
@@ -6852,7 +6937,15 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 19:
         switch (sel) {
-        case 0 ... 7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_1e0i(mfc0_watchhi, arg, sel);
             rn = "WatchHi";
             break;
@@ -6975,7 +7068,10 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
     case 27:
         switch (sel) {
         /* ignored */
-        case 0 ... 3:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
             tcg_gen_movi_tl(arg, 0); /* unimplemented */
             rn = "CacheErr";
             break;
@@ -7040,7 +7136,12 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
             rn = "DESAVE";
             break;
-        case 2 ... 7:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
             CP0_CHECK(ctx->kscrexist & (1 << sel));
             tcg_gen_ld_tl(arg, cpu_env,
                           offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
@@ -7319,6 +7420,10 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             /* ignored */
             rn = "BadInstrP";
             break;
+        case 3:
+            /* ignored */
+            rn = "BadInstrX";
+            break;
         default:
             goto cp0_unimplemented;
         }
@@ -7497,7 +7602,15 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 18:
         switch (sel) {
-        case 0 ... 7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_0e1i(mtc0_watchlo, arg, sel);
             rn = "WatchLo";
             break;
@@ -7507,7 +7620,15 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 19:
         switch (sel) {
-        case 0 ... 7:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
+            CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
             gen_helper_0e1i(mtc0_watchhi, arg, sel);
             rn = "WatchHi";
             break;
@@ -7641,7 +7762,10 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case 27:
         switch (sel) {
-        case 0 ... 3:
+        case 0:
+        case 1:
+        case 2:
+        case 3:
             /* ignored */
             rn = "CacheErr";
             break;
@@ -7707,7 +7831,12 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
             rn = "DESAVE";
             break;
-        case 2 ... 7:
+        case 2:
+        case 3:
+        case 4:
+        case 5:
+        case 6:
+        case 7:
             CP0_CHECK(ctx->kscrexist & (1 << sel));
             tcg_gen_st_tl(arg, cpu_env,
                           offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
@@ -7843,7 +7972,14 @@ static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd,
             break;
         case 16:
             switch (sel) {
-            case 0 ... 7:
+            case 0:
+            case 1:
+            case 2:
+            case 3:
+            case 4:
+            case 5:
+            case 6:
+            case 7:
                 gen_helper_mftc0_configx(t0, cpu_env, tcg_const_tl(sel));
                 break;
             default:
@@ -12395,10 +12531,22 @@ enum {
 /* PCREL Instructions perform PC-Relative address calculation. bits 20..16 */
 enum {
     ADDIUPC_00 = 0x00,
+    ADDIUPC_01 = 0x01,
+    ADDIUPC_02 = 0x02,
+    ADDIUPC_03 = 0x03,
+    ADDIUPC_04 = 0x04,
+    ADDIUPC_05 = 0x05,
+    ADDIUPC_06 = 0x06,
     ADDIUPC_07 = 0x07,
     AUIPC = 0x1e,
     ALUIPC = 0x1f,
     LWPC_08 = 0x08,
+    LWPC_09 = 0x09,
+    LWPC_0A = 0x0A,
+    LWPC_0B = 0x0B,
+    LWPC_0C = 0x0C,
+    LWPC_0D = 0x0D,
+    LWPC_0E = 0x0E,
     LWPC_0F = 0x0F,
 };
 
@@ -12833,12 +12981,16 @@ enum {
     R6_LWM16    = 0x02,
     R6_JRC16    = 0x03,
     MOVEP       = 0x04,
+    MOVEP_05    = 0x05,
+    MOVEP_06    = 0x06,
     MOVEP_07    = 0x07,
     R6_XOR16    = 0x08,
     R6_OR16     = 0x09,
     R6_SWM16    = 0x0a,
     JALRC16     = 0x0b,
     MOVEP_0C    = 0x0c,
+    MOVEP_0D    = 0x0d,
+    MOVEP_0E    = 0x0e,
     MOVEP_0F    = 0x0f,
     JRCADDIUSP  = 0x13,
     R6_BREAK16  = 0x1b,
@@ -13152,12 +13304,18 @@ static void gen_pool16c_r6_insn(DisasContext *ctx)
             gen_arith_imm(ctx, OPC_ADDIU, 29, 29, imm << 2);
         } else {
             /* JRC16 */
-            int rs = extract32(ctx->opcode, 5, 5);
+            rs = extract32(ctx->opcode, 5, 5);
             gen_compute_branch(ctx, OPC_JR, 2, rs, 0, 0, 0);
         }
         break;
-    case MOVEP ... MOVEP_07:
-    case MOVEP_0C ... MOVEP_0F:
+    case MOVEP:
+    case MOVEP_05:
+    case MOVEP_06:
+    case MOVEP_07:
+    case MOVEP_0C:
+    case MOVEP_0D:
+    case MOVEP_0E:
+    case MOVEP_0F:
         {
             int enc_dest = uMIPS_RD(ctx->opcode);
             int enc_rt = uMIPS_RS2(ctx->opcode);
@@ -14160,8 +14318,8 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
         case SDP:
             check_insn(ctx, ISA_MIPS3);
             check_mips_64(ctx);
-            /* Fallthrough */
 #endif
+            /* fall through */
         case LWP:
         case SWP:
             gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
@@ -14171,8 +14329,8 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
         case SDM:
             check_insn(ctx, ISA_MIPS3);
             check_mips_64(ctx);
-            /* Fallthrough */
 #endif
+            /* fall through */
         case LWM32:
         case SWM32:
             gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
@@ -15135,7 +15293,14 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
         if (ctx->insn_flags & ISA_MIPS32R6) {
             /* PCREL: ADDIUPC, AUIPC, ALUIPC, LWPC */
             switch ((ctx->opcode >> 16) & 0x1f) {
-            case ADDIUPC_00 ... ADDIUPC_07:
+            case ADDIUPC_00:
+            case ADDIUPC_01:
+            case ADDIUPC_02:
+            case ADDIUPC_03:
+            case ADDIUPC_04:
+            case ADDIUPC_05:
+            case ADDIUPC_06:
+            case ADDIUPC_07:
                 gen_pcrel(ctx, OPC_ADDIUPC, ctx->base.pc_next & ~0x3, rt);
                 break;
             case AUIPC:
@@ -15144,7 +15309,14 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
             case ALUIPC:
                 gen_pcrel(ctx, OPC_ALUIPC, ctx->base.pc_next, rt);
                 break;
-            case LWPC_08 ... LWPC_0F:
+            case LWPC_08:
+            case LWPC_09:
+            case LWPC_0A:
+            case LWPC_0B:
+            case LWPC_0C:
+            case LWPC_0D:
+            case LWPC_0E:
+            case LWPC_0F:
                 gen_pcrel(ctx, R6_OPC_LWPC, ctx->base.pc_next & ~0x3, rt);
                 break;
             default:
@@ -15154,7 +15326,7 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
         } else {
             /* ADDIUPC */
             int reg = mmreg(ZIMM(ctx->opcode, 23, 3));
-            int offset = SIMM(ctx->opcode, 0, 23) << 2;
+            offset = SIMM(ctx->opcode, 0, 23) << 2;
 
             gen_addiupc(ctx, reg, offset, 0, 0);
         }
@@ -17231,7 +17403,10 @@ static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
     case OPC_LSA:
         gen_lsa(ctx, op1, rd, rs, rt, extract32(ctx->opcode, 6, 2));
         break;
-    case OPC_MULT ... OPC_DIVU:
+    case OPC_MULT:
+    case OPC_MULTU:
+    case OPC_DIV:
+    case OPC_DIVU:
         op2 = MASK_R6_MULDIV(ctx->opcode);
         switch (op2) {
         case R6_OPC_MUL:
@@ -17291,7 +17466,11 @@ static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
             generate_exception_end(ctx, EXCP_RI);
         }
         break;
-    case OPC_DMULT ... OPC_DDIVU:
+    case OPC_DMULT:
+    case OPC_DMULTU:
+    case OPC_DDIV:
+    case OPC_DDIVU:
+
         op2 = MASK_R6_MULDIV(ctx->opcode);
         switch (op2) {
         case R6_OPC_DMUL:
@@ -17370,7 +17549,10 @@ static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx)
         gen_muldiv(ctx, op1, 0, rs, rt);
         break;
 #if defined(TARGET_MIPS64)
-    case OPC_DMULT ... OPC_DDIVU:
+    case OPC_DMULT:
+    case OPC_DMULTU:
+    case OPC_DDIV:
+    case OPC_DDIVU:
         check_insn(ctx, ISA_MIPS3);
         check_mips_64(ctx);
         gen_muldiv(ctx, op1, 0, rs, rt);
@@ -17437,7 +17619,10 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             break;
         }
         break;
-    case OPC_ADD ... OPC_SUBU:
+    case OPC_ADD:
+    case OPC_ADDU:
+    case OPC_SUB:
+    case OPC_SUBU:
         gen_arith(ctx, op1, rd, rs, rt);
         break;
     case OPC_SLLV:         /* Shifts */
@@ -17473,7 +17658,11 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
     case OPC_JALR:
         gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4);
         break;
-    case OPC_TGE ... OPC_TEQ: /* Traps */
+    case OPC_TGE: /* Traps */
+    case OPC_TGEU:
+    case OPC_TLT:
+    case OPC_TLTU:
+    case OPC_TEQ:
     case OPC_TNE:
         check_insn(ctx, ISA_MIPS2);
         gen_trap(ctx, op1, rs, rt, -1);
@@ -17549,7 +17738,10 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             break;
         }
         break;
-    case OPC_DADD ... OPC_DSUBU:
+    case OPC_DADD:
+    case OPC_DADDU:
+    case OPC_DSUB:
+    case OPC_DSUBU:
         check_insn(ctx, ISA_MIPS3);
         check_mips_64(ctx);
         gen_arith(ctx, op1, rd, rs, rt);
@@ -17607,8 +17799,10 @@ static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
 
     op1 = MASK_SPECIAL2(ctx->opcode);
     switch (op1) {
-    case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
-    case OPC_MSUB ... OPC_MSUBU:
+    case OPC_MADD: /* Multiply and add/sub */
+    case OPC_MADDU:
+    case OPC_MSUB:
+    case OPC_MSUBU:
         check_insn(ctx, ISA_MIPS32);
         gen_muldiv(ctx, op1, rd & 3, rs, rt);
         break;
@@ -17705,7 +17899,8 @@ static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
             }
             op2 = MASK_BSHFL(ctx->opcode);
             switch (op2) {
-            case OPC_ALIGN ... OPC_ALIGN_END:
+            case OPC_ALIGN:
+            case OPC_ALIGN_END:
                 gen_align(ctx, OPC_ALIGN, rd, rs, rt, sa & 3);
                 break;
             case OPC_BITSWAP:
@@ -17730,7 +17925,8 @@ static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
             }
             op2 = MASK_DBSHFL(ctx->opcode);
             switch (op2) {
-            case OPC_DALIGN ... OPC_DALIGN_END:
+            case OPC_DALIGN:
+            case OPC_DALIGN_END:
                 gen_align(ctx, OPC_DALIGN, rd, rs, rt, sa & 7);
                 break;
             case OPC_DBITSWAP:
@@ -17759,9 +17955,12 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
 
     op1 = MASK_SPECIAL3(ctx->opcode);
     switch (op1) {
-    case OPC_DIV_G_2E ... OPC_DIVU_G_2E:
-    case OPC_MOD_G_2E ... OPC_MODU_G_2E:
-    case OPC_MULT_G_2E ... OPC_MULTU_G_2E:
+    case OPC_DIV_G_2E:
+    case OPC_DIVU_G_2E:
+    case OPC_MOD_G_2E:
+    case OPC_MODU_G_2E:
+    case OPC_MULT_G_2E:
+    case OPC_MULTU_G_2E:
         /* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
          * the same mask and op1. */
         if ((ctx->insn_flags & ASE_DSPR2) && (op1 == OPC_MULT_G_2E)) {
@@ -18025,9 +18224,12 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
         }
         break;
 #if defined(TARGET_MIPS64)
-    case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E:
-    case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E:
-    case OPC_DMOD_G_2E ... OPC_DMODU_G_2E:
+    case OPC_DDIV_G_2E:
+    case OPC_DDIVU_G_2E:
+    case OPC_DMULT_G_2E:
+    case OPC_DMULTU_G_2E:
+    case OPC_DMOD_G_2E:
+    case OPC_DMODU_G_2E:
         check_insn(ctx, INSN_LOONGSON2E);
         gen_loongson_integer(ctx, op1, rd, rs, rt);
         break;
@@ -18289,18 +18491,25 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
      */
     if (ctx->eva) {
         switch (op1) {
-        case OPC_LWLE ... OPC_LWRE:
+        case OPC_LWLE:
+        case OPC_LWRE:
             check_insn_opc_removed(ctx, ISA_MIPS32R6);
             /* fall through */
-        case OPC_LBUE ... OPC_LHUE:
-        case OPC_LBE ... OPC_LWE:
+        case OPC_LBUE:
+        case OPC_LHUE:
+        case OPC_LBE:
+        case OPC_LHE:
+        case OPC_LLE:
+        case OPC_LWE:
             check_cp0_enabled(ctx);
             gen_ld(ctx, op1, rt, rs, imm);
             return;
-        case OPC_SWLE ... OPC_SWRE:
+        case OPC_SWLE:
+        case OPC_SWRE:
             check_insn_opc_removed(ctx, ISA_MIPS32R6);
             /* fall through */
-        case OPC_SBE ... OPC_SHE:
+        case OPC_SBE:
+        case OPC_SHE:
         case OPC_SWE:
             check_cp0_enabled(ctx);
             gen_st(ctx, op1, rt, rs, imm);
@@ -18332,7 +18541,8 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
     case OPC_BSHFL:
         op2 = MASK_BSHFL(ctx->opcode);
         switch (op2) {
-        case OPC_ALIGN ... OPC_ALIGN_END:
+        case OPC_ALIGN:
+        case OPC_ALIGN_END:
         case OPC_BITSWAP:
             check_insn(ctx, ISA_MIPS32R6);
             decode_opc_special3_r6(env, ctx);
@@ -18344,8 +18554,12 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
         }
         break;
 #if defined(TARGET_MIPS64)
-    case OPC_DEXTM ... OPC_DEXT:
-    case OPC_DINSM ... OPC_DINS:
+    case OPC_DEXTM:
+    case OPC_DEXTU:
+    case OPC_DEXT:
+    case OPC_DINSM:
+    case OPC_DINSU:
+    case OPC_DINS:
         check_insn(ctx, ISA_MIPS64R2);
         check_mips_64(ctx);
         gen_bitops(ctx, op1, rt, rs, sa, rd);
@@ -18353,7 +18567,8 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
     case OPC_DBSHFL:
         op2 = MASK_DBSHFL(ctx->opcode);
         switch (op2) {
-        case OPC_DALIGN ... OPC_DALIGN_END:
+        case OPC_DALIGN:
+        case OPC_DALIGN_END:
         case OPC_DBITSWAP:
             check_insn(ctx, ISA_MIPS32R6);
             decode_opc_special3_r6(env, ctx);
@@ -19584,7 +19799,12 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
                 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
             }
             break;
-        case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
+        case OPC_TGEI: /* REGIMM traps */
+        case OPC_TGEIU:
+        case OPC_TLTI:
+        case OPC_TLTIU:
+        case OPC_TEQI:
+
         case OPC_TNEI:
             check_insn(ctx, ISA_MIPS2);
             check_insn_opc_removed(ctx, ISA_MIPS32R6);
@@ -19647,7 +19867,22 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_cp0(env, ctx, op1, rt, rd);
 #endif /* !CONFIG_USER_ONLY */
             break;
-        case OPC_C0_FIRST ... OPC_C0_LAST:
+        case OPC_C0:
+        case OPC_C0_1:
+        case OPC_C0_2:
+        case OPC_C0_3:
+        case OPC_C0_4:
+        case OPC_C0_5:
+        case OPC_C0_6:
+        case OPC_C0_7:
+        case OPC_C0_8:
+        case OPC_C0_9:
+        case OPC_C0_A:
+        case OPC_C0_B:
+        case OPC_C0_C:
+        case OPC_C0_D:
+        case OPC_C0_E:
+        case OPC_C0_F:
 #ifndef CONFIG_USER_ONLY
             gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
 #endif /* !CONFIG_USER_ONLY */
@@ -19759,7 +19994,8 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
     case OPC_XORI:
          gen_logic_imm(ctx, op, rt, rs, imm);
          break;
-    case OPC_J ... OPC_JAL: /* Jump */
+    case OPC_J: /* Jump */
+    case OPC_JAL:
          offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
          gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
          break;
@@ -19826,15 +20062,20 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
     case OPC_LWR:
         check_insn_opc_removed(ctx, ISA_MIPS32R6);
          /* Fallthrough */
-    case OPC_LB ... OPC_LH:
-    case OPC_LW ... OPC_LHU:
+    case OPC_LB:
+    case OPC_LH:
+    case OPC_LW:
+    case OPC_LWPC:
+    case OPC_LBU:
+    case OPC_LHU:
          gen_ld(ctx, op, rt, rs, imm);
          break;
     case OPC_SWL:
     case OPC_SWR:
         check_insn_opc_removed(ctx, ISA_MIPS32R6);
         /* fall through */
-    case OPC_SB ... OPC_SH:
+    case OPC_SB:
+    case OPC_SH:
     case OPC_SW:
          gen_st(ctx, op, rt, rs, imm);
          break;
@@ -19874,6 +20115,7 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MTHC1:
             check_cp1_enabled(ctx);
             check_insn(ctx, ISA_MIPS32R2);
+            /* fall through */
         case OPC_MFC1:
         case OPC_CFC1:
         case OPC_MTC1:
@@ -20105,7 +20347,8 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
 
 #if defined(TARGET_MIPS64)
     /* MIPS64 opcodes */
-    case OPC_LDL ... OPC_LDR:
+    case OPC_LDL:
+    case OPC_LDR:
     case OPC_LLD:
         check_insn_opc_removed(ctx, ISA_MIPS32R6);
         /* fall through */
@@ -20115,7 +20358,8 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
         check_mips_64(ctx);
         gen_ld(ctx, op, rt, rs, imm);
         break;
-    case OPC_SDL ... OPC_SDR:
+    case OPC_SDL:
+    case OPC_SDR:
         check_insn_opc_removed(ctx, ISA_MIPS32R6);
         /* fall through */
     case OPC_SD: