tcg: Introduce tcg_op_buf_count and tcg_op_buf_full

The method by which we count the number of ops emitted
is going to change.  Abstract that away into some inlines.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 3 insertions, 5 deletions

diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 00015be..bd53950 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -5223,7 +5223,6 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
     CPUState *cs = CPU(cpu);
     CPUSPARCState *env = &cpu->env;
     target_ulong pc_start, last_pc;
-    uint16_t *gen_opc_end;
     DisasContext dc1, *dc = &dc1;
     CPUBreakpoint *bp;
     int j, lj = -1;
@@ -5243,7 +5242,6 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
     dc->fpu_enabled = tb_fpu_enabled(tb->flags);
     dc->address_mask_32bit = tb_am_enabled(tb->flags);
     dc->singlestep = (cs->singlestep_enabled || singlestep);
-    gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
 
     num_insns = 0;
     max_insns = tb->cflags & CF_COUNT_MASK;
@@ -5265,7 +5263,7 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
         }
         if (spc) {
             qemu_log("Search PC...\n");
-            j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
+            j = tcg_op_buf_count();
             if (lj < j) {
                 lj++;
                 while (lj < j)
@@ -5298,7 +5296,7 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
         if (dc->singlestep) {
             break;
         }
-    } while ((tcg_ctx.gen_opc_ptr < gen_opc_end) &&
+    } while (!tcg_op_buf_full() &&
              (dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32) &&
              num_insns < max_insns);
 
@@ -5322,7 +5320,7 @@ static inline void gen_intermediate_code_internal(SPARCCPU *cpu,
     gen_tb_end(tb, num_insns);
 
     if (spc) {
-        j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
+        j = tcg_op_buf_count();
         lj++;
         while (lj <= j)
             tcg_ctx.gen_opc_instr_start[lj++] = 0;