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tcg: Introduce tcg_op_buf_count and tcg_op_buf_full

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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>
This commit is contained in:
Richard Henderson 2014-03-30 15:36:56 -07:00
parent 0a7df5da98
commit fe700adb3d
19 changed files with 79 additions and 113 deletions
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20
target-microblaze/translate.c
View file

@ -1673,7 +1673,6 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
{
CPUState *cs = CPU(cpu);
CPUMBState *env = &cpu->env;
uint16_t *gen_opc_end;
uint32_t pc_start;
int j, lj;
struct DisasContext ctx;
@ -1688,8 +1687,6 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
dc->tb = tb;
org_flags = dc->synced_flags = dc->tb_flags = tb->flags;
gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
dc->is_jmp = DISAS_NEXT;
dc->jmp = 0;
dc->delayed_branch = !!(dc->tb_flags & D_FLAG);
@ -1732,7 +1729,7 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
check_breakpoint(env, dc);
if (search_pc) {
j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
j = tcg_op_buf_count();
if (lj < j) {
lj++;
while (lj < j)
@ -1795,10 +1792,10 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
break;
}
} while (!dc->is_jmp && !dc->cpustate_changed
&& tcg_ctx.gen_opc_ptr < gen_opc_end
&& !singlestep
&& (dc->pc < next_page_start)
&& num_insns < max_insns);
&& !tcg_op_buf_full()
&& !singlestep
&& (dc->pc < next_page_start)
&& num_insns < max_insns);
npc = dc->pc;
if (dc->jmp == JMP_DIRECT || dc->jmp == JMP_DIRECT_CC) {
@ -1848,7 +1845,7 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
gen_tb_end(tb, num_insns);
if (search_pc) {
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;
@ -1864,9 +1861,8 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
#if DISAS_GNU
log_target_disas(env, pc_start, dc->pc - pc_start, 0);
#endif
qemu_log("\nisize=%d osize=%td\n",
dc->pc - pc_start, tcg_ctx.gen_opc_ptr -
tcg_ctx.gen_opc_buf);
qemu_log("\nisize=%d osize=%d\n",
dc->pc - pc_start, tcg_op_buf_count());
}
#endif
#endif