diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 6676cbf..91c761a 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -3373,7 +3373,7 @@ static inline void gen_intermediate_code_internal(CPUAlphaState *env,
     int max_insns;
 
     pc_start = tb->pc;
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     ctx.tb = tb;
     ctx.env = env;
@@ -3406,7 +3406,7 @@ static inline void gen_intermediate_code_internal(CPUAlphaState *env,
             }
         }
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -3465,7 +3465,7 @@ static inline void gen_intermediate_code_internal(CPUAlphaState *env,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-arm/translate.c b/target-arm/translate.c
index ff5d294..0602b31 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -9727,7 +9727,7 @@ static inline void gen_intermediate_code_internal(CPUARMState *env,
 
     dc->tb = tb;
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     dc->is_jmp = DISAS_NEXT;
     dc->pc = pc_start;
@@ -9834,7 +9834,7 @@ static inline void gen_intermediate_code_internal(CPUARMState *env,
             }
         }
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -9974,7 +9974,7 @@ done_generating:
     }
 #endif
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 903907b..c54e3df 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -3202,7 +3202,7 @@ gen_intermediate_code_internal(CPUCRISState *env, TranslationBlock *tb,
 	dc->env = env;
 	dc->tb = tb;
 
-	gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+	gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
 	dc->is_jmp = DISAS_NEXT;
 	dc->ppc = pc_start;
@@ -3266,7 +3266,7 @@ gen_intermediate_code_internal(CPUCRISState *env, TranslationBlock *tb,
 		check_breakpoint(env, dc);
 
 		if (search_pc) {
-			j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+			j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
 			if (lj < j) {
 				lj++;
 				while (lj < j)
@@ -3401,7 +3401,7 @@ gen_intermediate_code_internal(CPUCRISState *env, TranslationBlock *tb,
         gen_icount_end(tb, num_insns);
 	*tcg_ctx.gen_opc_ptr = INDEX_op_end;
 	if (search_pc) {
-		j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+		j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
 		lj++;
 		while (lj <= j)
 			gen_opc_instr_start[lj++] = 0;
@@ -3416,7 +3416,8 @@ gen_intermediate_code_internal(CPUCRISState *env, TranslationBlock *tb,
 		log_target_disas(pc_start, dc->pc - pc_start,
                                  dc->env->pregs[PR_VR]);
 		qemu_log("\nisize=%d osize=%td\n",
-			dc->pc - pc_start, tcg_ctx.gen_opc_ptr - gen_opc_buf);
+			dc->pc - pc_start, tcg_ctx.gen_opc_ptr -
+			tcg_ctx.gen_opc_buf);
 	}
 #endif
 #endif
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 5f977d9..1563677 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -7958,7 +7958,7 @@ static inline void gen_intermediate_code_internal(CPUX86State *env,
     cpu_ptr0 = tcg_temp_new_ptr();
     cpu_ptr1 = tcg_temp_new_ptr();
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     dc->is_jmp = DISAS_NEXT;
     pc_ptr = pc_start;
@@ -7980,7 +7980,7 @@ static inline void gen_intermediate_code_internal(CPUX86State *env,
             }
         }
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -8030,7 +8030,7 @@ static inline void gen_intermediate_code_internal(CPUX86State *env,
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     /* we don't forget to fill the last values */
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-lm32/translate.c b/target-lm32/translate.c
index 7446a50..9a01b9f 100644
--- a/target-lm32/translate.c
+++ b/target-lm32/translate.c
@@ -1018,7 +1018,7 @@ static void gen_intermediate_code_internal(CPULM32State *env,
     dc->env = env;
     dc->tb = tb;
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     dc->is_jmp = DISAS_NEXT;
     dc->pc = pc_start;
@@ -1047,7 +1047,7 @@ static void gen_intermediate_code_internal(CPULM32State *env,
         check_breakpoint(env, dc);
 
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j) {
@@ -1107,7 +1107,7 @@ static void gen_intermediate_code_internal(CPULM32State *env,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j) {
             gen_opc_instr_start[lj++] = 0;
@@ -1122,7 +1122,8 @@ static void gen_intermediate_code_internal(CPULM32State *env,
         qemu_log("\n");
         log_target_disas(pc_start, dc->pc - pc_start, 0);
         qemu_log("\nisize=%d osize=%td\n",
-            dc->pc - pc_start, tcg_ctx.gen_opc_ptr - gen_opc_buf);
+            dc->pc - pc_start, tcg_ctx.gen_opc_ptr -
+            tcg_ctx.gen_opc_buf);
     }
 #endif
 }
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 568e187..e9f5b27 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -2982,7 +2982,7 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
 
     dc->tb = tb;
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     dc->env = env;
     dc->is_jmp = DISAS_NEXT;
@@ -3015,7 +3015,7 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
                 break;
         }
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -3075,7 +3075,7 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
     }
 #endif
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index a3bd799..b5d72fe 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -1741,7 +1741,7 @@ gen_intermediate_code_internal(CPUMBState *env, TranslationBlock *tb,
     dc->tb = tb;
     org_flags = dc->synced_flags = dc->tb_flags = tb->flags;
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     dc->is_jmp = DISAS_NEXT;
     dc->jmp = 0;
@@ -1784,7 +1784,7 @@ gen_intermediate_code_internal(CPUMBState *env, TranslationBlock *tb,
         check_breakpoint(env, dc);
 
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -1899,7 +1899,7 @@ gen_intermediate_code_internal(CPUMBState *env, TranslationBlock *tb,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
@@ -1916,7 +1916,8 @@ gen_intermediate_code_internal(CPUMBState *env, TranslationBlock *tb,
         log_target_disas(pc_start, dc->pc - pc_start, 0);
 #endif
         qemu_log("\nisize=%d osize=%td\n",
-            dc->pc - pc_start, tcg_ctx.gen_opc_ptr - gen_opc_buf);
+            dc->pc - pc_start, tcg_ctx.gen_opc_ptr -
+            tcg_ctx.gen_opc_buf);
     }
 #endif
 #endif
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 4c564bf..db37d50 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -12809,7 +12809,7 @@ gen_intermediate_code_internal (CPUMIPSState *env, TranslationBlock *tb,
         qemu_log("search pc %d\n", search_pc);
 
     pc_start = tb->pc;
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
     ctx.pc = pc_start;
     ctx.saved_pc = -1;
     ctx.singlestep_enabled = env->singlestep_enabled;
@@ -12845,7 +12845,7 @@ gen_intermediate_code_internal (CPUMIPSState *env, TranslationBlock *tb,
         }
 
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -12928,7 +12928,7 @@ done_generating:
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-openrisc/translate.c b/target-openrisc/translate.c
index db977ca..06723b8 100644
--- a/target-openrisc/translate.c
+++ b/target-openrisc/translate.c
@@ -1675,7 +1675,7 @@ static inline void gen_intermediate_code_internal(OpenRISCCPU *cpu,
     pc_start = tb->pc;
     dc->tb = tb;
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
     dc->is_jmp = DISAS_NEXT;
     dc->ppc = pc_start;
     dc->pc = pc_start;
@@ -1703,7 +1703,7 @@ static inline void gen_intermediate_code_internal(OpenRISCCPU *cpu,
     do {
         check_breakpoint(cpu, dc);
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (k < j) {
                 k++;
                 while (k < j) {
@@ -1784,7 +1784,7 @@ static inline void gen_intermediate_code_internal(OpenRISCCPU *cpu,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         k++;
         while (k <= j) {
             gen_opc_instr_start[k++] = 0;
@@ -1799,7 +1799,8 @@ static inline void gen_intermediate_code_internal(OpenRISCCPU *cpu,
         qemu_log("\n");
         log_target_disas(pc_start, dc->pc - pc_start, 0);
         qemu_log("\nisize=%d osize=%td\n",
-            dc->pc - pc_start, tcg_ctx.gen_opc_ptr - gen_opc_buf);
+            dc->pc - pc_start, tcg_ctx.gen_opc_ptr -
+            tcg_ctx.gen_opc_buf);
     }
 #endif
 }
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index b71bdc5..86bb998 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -9617,7 +9617,7 @@ static inline void gen_intermediate_code_internal(CPUPPCState *env,
     int max_insns;
 
     pc_start = tb->pc;
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
     ctx.nip = pc_start;
     ctx.tb = tb;
     ctx.exception = POWERPC_EXCP_NONE;
@@ -9668,7 +9668,7 @@ static inline void gen_intermediate_code_internal(CPUPPCState *env,
             }
         }
         if (unlikely(search_pc)) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -9770,7 +9770,7 @@ static inline void gen_intermediate_code_internal(CPUPPCState *env,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (unlikely(search_pc)) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 85ba318..503855a 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -5134,7 +5134,7 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
     dc.tb = tb;
     dc.cc_op = CC_OP_DYNAMIC;
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
 
@@ -5156,7 +5156,7 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
             }
         }
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j) {
@@ -5209,7 +5209,7 @@ static inline void gen_intermediate_code_internal(CPUS390XState *env,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j) {
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 4521c1c..cb465dd 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1967,7 +1967,7 @@ gen_intermediate_code_internal(CPUSH4State * env, TranslationBlock * tb,
     int max_insns;
 
     pc_start = tb->pc;
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
     ctx.pc = pc_start;
     ctx.flags = (uint32_t)tb->flags;
     ctx.bstate = BS_NONE;
@@ -1999,7 +1999,7 @@ gen_intermediate_code_internal(CPUSH4State * env, TranslationBlock * tb,
 	    }
 	}
         if (search_pc) {
-            i = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            i = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (ii < i) {
                 ii++;
                 while (ii < i)
@@ -2058,7 +2058,7 @@ gen_intermediate_code_internal(CPUSH4State * env, TranslationBlock * tb,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (search_pc) {
-        i = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        i = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         ii++;
         while (ii <= i)
             gen_opc_instr_start[ii++] = 0;
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index ad840de..b6b8e87 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -5257,7 +5257,7 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb,
     dc->fpu_enabled = tb_fpu_enabled(tb->flags);
     dc->address_mask_32bit = tb_am_enabled(tb->flags);
     dc->singlestep = (env->singlestep_enabled || singlestep);
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     num_insns = 0;
     max_insns = tb->cflags & CF_COUNT_MASK;
@@ -5279,7 +5279,7 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb,
         }
         if (spc) {
             qemu_log("Search PC...\n");
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -5336,7 +5336,7 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb,
     gen_icount_end(tb, num_insns);
     *tcg_ctx.gen_opc_ptr = INDEX_op_end;
     if (spc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-unicore32/translate.c b/target-unicore32/translate.c
index 79bc431..bbb4763 100644
--- a/target-unicore32/translate.c
+++ b/target-unicore32/translate.c
@@ -1956,7 +1956,7 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env,
 
     dc->tb = tb;
 
-    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     dc->is_jmp = DISAS_NEXT;
     dc->pc = pc_start;
@@ -1999,7 +1999,7 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env,
             }
         }
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j) {
@@ -2114,7 +2114,7 @@ done_generating:
     }
 #endif
     if (search_pc) {
-        j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
         lj++;
         while (lj <= j) {
             gen_opc_instr_start[lj++] = 0;
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index c7971bc..13d8620 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -2849,7 +2849,7 @@ static void gen_intermediate_code_internal(
     DisasContext dc;
     int insn_count = 0;
     int j, lj = -1;
-    uint16_t *gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+    uint16_t *gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
     int max_insns = tb->cflags & CF_COUNT_MASK;
     uint32_t pc_start = tb->pc;
     uint32_t next_page_start =
@@ -2893,7 +2893,7 @@ static void gen_intermediate_code_internal(
         check_breakpoint(env, &dc);
 
         if (search_pc) {
-            j = tcg_ctx.gen_opc_ptr - gen_opc_buf;
+            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
             if (lj < j) {
                 lj++;
                 while (lj < j) {
diff --git a/tcg/optimize.c b/tcg/optimize.c
index a06c8eb..fffa682 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -484,10 +484,10 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
     nb_globals = s->nb_globals;
     memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
 
-    nb_ops = tcg_opc_ptr - gen_opc_buf;
+    nb_ops = tcg_opc_ptr - s->gen_opc_buf;
     gen_args = args;
     for (op_index = 0; op_index < nb_ops; op_index++) {
-        op = gen_opc_buf[op_index];
+        op = s->gen_opc_buf[op_index];
         def = &tcg_op_defs[op];
         /* Do copy propagation */
         if (op == INDEX_op_call) {
@@ -569,7 +569,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(rotr):
             if (temps[args[1]].state == TCG_TEMP_CONST
                 && temps[args[1]].val == 0) {
-                gen_opc_buf[op_index] = op_to_movi(op);
+                s->gen_opc_buf[op_index] = op_to_movi(op);
                 tcg_opt_gen_movi(gen_args, args[0], 0);
                 args += 3;
                 gen_args += 2;
@@ -598,9 +598,9 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
             if (temps[args[2]].state == TCG_TEMP_CONST
                 && temps[args[2]].val == 0) {
                 if (temps_are_copies(args[0], args[1])) {
-                    gen_opc_buf[op_index] = INDEX_op_nop;
+                    s->gen_opc_buf[op_index] = INDEX_op_nop;
                 } else {
-                    gen_opc_buf[op_index] = op_to_mov(op);
+                    s->gen_opc_buf[op_index] = op_to_mov(op);
                     tcg_opt_gen_mov(s, gen_args, args[0], args[1]);
                     gen_args += 2;
                 }
@@ -618,7 +618,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(mul):
             if ((temps[args[2]].state == TCG_TEMP_CONST
                 && temps[args[2]].val == 0)) {
-                gen_opc_buf[op_index] = op_to_movi(op);
+                s->gen_opc_buf[op_index] = op_to_movi(op);
                 tcg_opt_gen_movi(gen_args, args[0], 0);
                 args += 3;
                 gen_args += 2;
@@ -635,9 +635,9 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(and):
             if (temps_are_copies(args[1], args[2])) {
                 if (temps_are_copies(args[0], args[1])) {
-                    gen_opc_buf[op_index] = INDEX_op_nop;
+                    s->gen_opc_buf[op_index] = INDEX_op_nop;
                 } else {
-                    gen_opc_buf[op_index] = op_to_mov(op);
+                    s->gen_opc_buf[op_index] = op_to_mov(op);
                     tcg_opt_gen_mov(s, gen_args, args[0], args[1]);
                     gen_args += 2;
                 }
@@ -654,7 +654,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(sub):
         CASE_OP_32_64(xor):
             if (temps_are_copies(args[1], args[2])) {
-                gen_opc_buf[op_index] = op_to_movi(op);
+                s->gen_opc_buf[op_index] = op_to_movi(op);
                 tcg_opt_gen_movi(gen_args, args[0], 0);
                 gen_args += 2;
                 args += 3;
@@ -672,7 +672,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(mov):
             if (temps_are_copies(args[0], args[1])) {
                 args += 2;
-                gen_opc_buf[op_index] = INDEX_op_nop;
+                s->gen_opc_buf[op_index] = INDEX_op_nop;
                 break;
             }
             if (temps[args[1]].state != TCG_TEMP_CONST) {
@@ -684,7 +684,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
             /* Source argument is constant.  Rewrite the operation and
                let movi case handle it. */
             op = op_to_movi(op);
-            gen_opc_buf[op_index] = op;
+            s->gen_opc_buf[op_index] = op;
             args[1] = temps[args[1]].val;
             /* fallthrough */
         CASE_OP_32_64(movi):
@@ -702,7 +702,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         case INDEX_op_ext32s_i64:
         case INDEX_op_ext32u_i64:
             if (temps[args[1]].state == TCG_TEMP_CONST) {
-                gen_opc_buf[op_index] = op_to_movi(op);
+                s->gen_opc_buf[op_index] = op_to_movi(op);
                 tmp = do_constant_folding(op, temps[args[1]].val, 0);
                 tcg_opt_gen_movi(gen_args, args[0], tmp);
                 gen_args += 2;
@@ -729,7 +729,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(nor):
             if (temps[args[1]].state == TCG_TEMP_CONST
                 && temps[args[2]].state == TCG_TEMP_CONST) {
-                gen_opc_buf[op_index] = op_to_movi(op);
+                s->gen_opc_buf[op_index] = op_to_movi(op);
                 tmp = do_constant_folding(op, temps[args[1]].val,
                                           temps[args[2]].val);
                 tcg_opt_gen_movi(gen_args, args[0], tmp);
@@ -742,7 +742,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(deposit):
             if (temps[args[1]].state == TCG_TEMP_CONST
                 && temps[args[2]].state == TCG_TEMP_CONST) {
-                gen_opc_buf[op_index] = op_to_movi(op);
+                s->gen_opc_buf[op_index] = op_to_movi(op);
                 tmp = ((1ull << args[4]) - 1);
                 tmp = (temps[args[1]].val & ~(tmp << args[3]))
                       | ((temps[args[2]].val & tmp) << args[3]);
@@ -756,7 +756,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         CASE_OP_32_64(setcond):
             tmp = do_constant_folding_cond(op, args[1], args[2], args[3]);
             if (tmp != 2) {
-                gen_opc_buf[op_index] = op_to_movi(op);
+                s->gen_opc_buf[op_index] = op_to_movi(op);
                 tcg_opt_gen_movi(gen_args, args[0], tmp);
                 gen_args += 2;
                 args += 4;
@@ -769,11 +769,11 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
             if (tmp != 2) {
                 if (tmp) {
                     memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
-                    gen_opc_buf[op_index] = INDEX_op_br;
+                    s->gen_opc_buf[op_index] = INDEX_op_br;
                     gen_args[0] = args[3];
                     gen_args += 1;
                 } else {
-                    gen_opc_buf[op_index] = INDEX_op_nop;
+                    s->gen_opc_buf[op_index] = INDEX_op_nop;
                 }
                 args += 4;
                 break;
@@ -784,13 +784,13 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
             tmp = do_constant_folding_cond(op, args[1], args[2], args[5]);
             if (tmp != 2) {
                 if (temps_are_copies(args[0], args[4-tmp])) {
-                    gen_opc_buf[op_index] = INDEX_op_nop;
+                    s->gen_opc_buf[op_index] = INDEX_op_nop;
                 } else if (temps[args[4-tmp]].state == TCG_TEMP_CONST) {
-                    gen_opc_buf[op_index] = op_to_movi(op);
+                    s->gen_opc_buf[op_index] = op_to_movi(op);
                     tcg_opt_gen_movi(gen_args, args[0], temps[args[4-tmp]].val);
                     gen_args += 2;
                 } else {
-                    gen_opc_buf[op_index] = op_to_mov(op);
+                    s->gen_opc_buf[op_index] = op_to_mov(op);
                     tcg_opt_gen_mov(s, gen_args, args[0], args[4-tmp]);
                     gen_args += 2;
                 }
@@ -820,12 +820,12 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
                 }
 
                 /* We emit the extra nop when we emit the add2/sub2.  */
-                assert(gen_opc_buf[op_index + 1] == INDEX_op_nop);
+                assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
 
                 rl = args[0];
                 rh = args[1];
-                gen_opc_buf[op_index] = INDEX_op_movi_i32;
-                gen_opc_buf[++op_index] = INDEX_op_movi_i32;
+                s->gen_opc_buf[op_index] = INDEX_op_movi_i32;
+                s->gen_opc_buf[++op_index] = INDEX_op_movi_i32;
                 tcg_opt_gen_movi(&gen_args[0], rl, (uint32_t)a);
                 tcg_opt_gen_movi(&gen_args[2], rh, (uint32_t)(a >> 32));
                 gen_args += 4;
@@ -843,12 +843,12 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
                 TCGArg rl, rh;
 
                 /* We emit the extra nop when we emit the mulu2.  */
-                assert(gen_opc_buf[op_index + 1] == INDEX_op_nop);
+                assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
 
                 rl = args[0];
                 rh = args[1];
-                gen_opc_buf[op_index] = INDEX_op_movi_i32;
-                gen_opc_buf[++op_index] = INDEX_op_movi_i32;
+                s->gen_opc_buf[op_index] = INDEX_op_movi_i32;
+                s->gen_opc_buf[++op_index] = INDEX_op_movi_i32;
                 tcg_opt_gen_movi(&gen_args[0], rl, (uint32_t)r);
                 tcg_opt_gen_movi(&gen_args[2], rh, (uint32_t)(r >> 32));
                 gen_args += 4;
@@ -862,11 +862,11 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
             if (tmp != 2) {
                 if (tmp) {
                     memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
-                    gen_opc_buf[op_index] = INDEX_op_br;
+                    s->gen_opc_buf[op_index] = INDEX_op_br;
                     gen_args[0] = args[5];
                     gen_args += 1;
                 } else {
-                    gen_opc_buf[op_index] = INDEX_op_nop;
+                    s->gen_opc_buf[op_index] = INDEX_op_nop;
                 }
             } else if ((args[4] == TCG_COND_LT || args[4] == TCG_COND_GE)
                        && temps[args[2]].state == TCG_TEMP_CONST
@@ -876,7 +876,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
                 /* Simplify LT/GE comparisons vs zero to a single compare
                    vs the high word of the input.  */
                 memset(temps, 0, nb_temps * sizeof(struct tcg_temp_info));
-                gen_opc_buf[op_index] = INDEX_op_brcond_i32;
+                s->gen_opc_buf[op_index] = INDEX_op_brcond_i32;
                 gen_args[0] = args[1];
                 gen_args[1] = args[3];
                 gen_args[2] = args[4];
@@ -891,7 +891,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
         case INDEX_op_setcond2_i32:
             tmp = do_constant_folding_cond2(&args[1], &args[3], args[5]);
             if (tmp != 2) {
-                gen_opc_buf[op_index] = INDEX_op_movi_i32;
+                s->gen_opc_buf[op_index] = INDEX_op_movi_i32;
                 tcg_opt_gen_movi(gen_args, args[0], tmp);
                 gen_args += 2;
             } else if ((args[5] == TCG_COND_LT || args[5] == TCG_COND_GE)
@@ -901,7 +901,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
                        && temps[args[4]].val == 0) {
                 /* Simplify LT/GE comparisons vs zero to a single compare
                    vs the high word of the input.  */
-                gen_opc_buf[op_index] = INDEX_op_setcond_i32;
+                s->gen_opc_buf[op_index] = INDEX_op_setcond_i32;
                 gen_args[0] = args[0];
                 gen_args[1] = args[2];
                 gen_args[2] = args[4];
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 2c8669b..c4e663b 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -297,7 +297,7 @@ void tcg_func_start(TCGContext *s)
     s->goto_tb_issue_mask = 0;
 #endif
 
-    s->gen_opc_ptr = gen_opc_buf;
+    s->gen_opc_ptr = s->gen_opc_buf;
     s->gen_opparam_ptr = gen_opparam_buf;
 }
 
@@ -884,7 +884,7 @@ void tcg_dump_ops(TCGContext *s)
     char buf[128];
 
     first_insn = 1;
-    opc_ptr = gen_opc_buf;
+    opc_ptr = s->gen_opc_buf;
     args = gen_opparam_buf;
     while (opc_ptr < s->gen_opc_ptr) {
         c = *opc_ptr++;
@@ -1222,7 +1222,7 @@ static void tcg_liveness_analysis(TCGContext *s)
     
     s->gen_opc_ptr++; /* skip end */
 
-    nb_ops = s->gen_opc_ptr - gen_opc_buf;
+    nb_ops = s->gen_opc_ptr - s->gen_opc_buf;
 
     s->op_dead_args = tcg_malloc(nb_ops * sizeof(uint16_t));
     
@@ -1232,7 +1232,7 @@ static void tcg_liveness_analysis(TCGContext *s)
     args = s->gen_opparam_ptr;
     op_index = nb_ops - 1;
     while (op_index >= 0) {
-        op = gen_opc_buf[op_index];
+        op = s->gen_opc_buf[op_index];
         def = &tcg_op_defs[op];
         switch(op) {
         case INDEX_op_call:
@@ -1254,7 +1254,7 @@ static void tcg_liveness_analysis(TCGContext *s)
                         if (!dead_temps[arg])
                             goto do_not_remove_call;
                     }
-                    tcg_set_nop(s, gen_opc_buf + op_index, 
+                    tcg_set_nop(s, s->gen_opc_buf + op_index,
                                 args - 1, nb_args);
                 } else {
                 do_not_remove_call:
@@ -1323,11 +1323,11 @@ static void tcg_liveness_analysis(TCGContext *s)
                 } else {
                     op = INDEX_op_sub_i32;
                 }
-                gen_opc_buf[op_index] = op;
+                s->gen_opc_buf[op_index] = op;
                 args[1] = args[2];
                 args[2] = args[4];
-                assert(gen_opc_buf[op_index + 1] == INDEX_op_nop);
-                tcg_set_nop(s, gen_opc_buf + op_index + 1, args + 3, 3);
+                assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
+                tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 3);
                 /* Fall through and mark the single-word operation live.  */
                 nb_iargs = 2;
                 nb_oargs = 1;
@@ -1343,11 +1343,11 @@ static void tcg_liveness_analysis(TCGContext *s)
                 if (dead_temps[args[0]]) {
                     goto do_remove;
                 }
-                gen_opc_buf[op_index] = op = INDEX_op_mul_i32;
+                s->gen_opc_buf[op_index] = op = INDEX_op_mul_i32;
                 args[1] = args[2];
                 args[2] = args[3];
-                assert(gen_opc_buf[op_index + 1] == INDEX_op_nop);
-                tcg_set_nop(s, gen_opc_buf + op_index + 1, args + 3, 1);
+                assert(s->gen_opc_buf[op_index + 1] == INDEX_op_nop);
+                tcg_set_nop(s, s->gen_opc_buf + op_index + 1, args + 3, 1);
                 /* Fall through and mark the single-word operation live.  */
                 nb_oargs = 1;
             }
@@ -1369,7 +1369,7 @@ static void tcg_liveness_analysis(TCGContext *s)
                         goto do_not_remove;
                 }
             do_remove:
-                tcg_set_nop(s, gen_opc_buf + op_index, args, def->nb_args);
+                tcg_set_nop(s, s->gen_opc_buf + op_index, args, def->nb_args);
 #ifdef CONFIG_PROFILER
                 s->del_op_count++;
 #endif
@@ -1417,7 +1417,7 @@ static void tcg_liveness_analysis(TCGContext *s)
 static void tcg_liveness_analysis(TCGContext *s)
 {
     int nb_ops;
-    nb_ops = s->gen_opc_ptr - gen_opc_buf;
+    nb_ops = s->gen_opc_ptr - s->gen_opc_buf;
 
     s->op_dead_args = tcg_malloc(nb_ops * sizeof(uint16_t));
     memset(s->op_dead_args, 0, nb_ops * sizeof(uint16_t));
@@ -2135,7 +2135,7 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
     op_index = 0;
 
     for(;;) {
-        opc = gen_opc_buf[op_index];
+        opc = s->gen_opc_buf[op_index];
 #ifdef CONFIG_PROFILER
         tcg_table_op_count[opc]++;
 #endif
@@ -2219,7 +2219,7 @@ int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf)
 #ifdef CONFIG_PROFILER
     {
         int n;
-        n = (s->gen_opc_ptr - gen_opc_buf);
+        n = (s->gen_opc_ptr - s->gen_opc_buf);
         s->op_count += n;
         if (n > s->op_count_max)
             s->op_count_max = n;
