From: Aleksandar Rikalo <arikalo@wavecomp.com>

Use bits from configuration registers for availability control
of MT ASE instructions, rather than only ISA_MT bit in insn_flags.

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
---
 target/mips/translate.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/target/mips/translate.c b/target/mips/translate.c
index d827d3b..e62ea96 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -8393,7 +8393,7 @@ static void gen_cp0 (CPUMIPSState *env, DisasContext *ctx, uint32_t opc, int rt,
         opn = "mthc0";
         break;
     case OPC_MFTR:
-        check_insn(ctx, ASE_MT);
+        check_cp0_enabled(ctx);
         if (rd == 0) {
             /* Treat as NOP. */
             return;
@@ -8403,7 +8403,7 @@ static void gen_cp0 (CPUMIPSState *env, DisasContext *ctx, uint32_t opc, int rt,
         opn = "mftr";
         break;
     case OPC_MTTR:
-        check_insn(ctx, ASE_MT);
+        check_cp0_enabled(ctx);
         gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
                  ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
         opn = "mttr";
@@ -18619,7 +18619,7 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
         gen_rdhwr(ctx, rt, rd, extract32(ctx->opcode, 6, 3));
         break;
     case OPC_FORK:
-        check_insn(ctx, ASE_MT);
+        check_mt(ctx);
         {
             TCGv t0 = tcg_temp_new();
             TCGv t1 = tcg_temp_new();
@@ -18632,7 +18632,7 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
         }
         break;
     case OPC_YIELD:
-        check_insn(ctx, ASE_MT);
+        check_mt(ctx);
         {
             TCGv t0 = tcg_temp_new();
 
@@ -19929,22 +19929,22 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
                 op2 = MASK_MFMC0(ctx->opcode);
                 switch (op2) {
                 case OPC_DMT:
-                    check_insn(ctx, ASE_MT);
+                    check_cp0_mt(ctx);
                     gen_helper_dmt(t0);
                     gen_store_gpr(t0, rt);
                     break;
                 case OPC_EMT:
-                    check_insn(ctx, ASE_MT);
+                    check_cp0_mt(ctx);
                     gen_helper_emt(t0);
                     gen_store_gpr(t0, rt);
                     break;
                 case OPC_DVPE:
-                    check_insn(ctx, ASE_MT);
+                    check_cp0_mt(ctx);
                     gen_helper_dvpe(t0, cpu_env);
                     gen_store_gpr(t0, rt);
                     break;
                 case OPC_EVPE:
-                    check_insn(ctx, ASE_MT);
+                    check_cp0_mt(ctx);
                     gen_helper_evpe(t0, cpu_env);
                     gen_store_gpr(t0, rt);
                     break;
-- 
2.7.4