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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
Download patch file Download diff file Expand all files Collapse all files

14
target-lm32/translate.c
View file

@ -1062,7 +1062,6 @@ void gen_intermediate_code_internal(LM32CPU *cpu,
CPUState *cs = CPU(cpu);
CPULM32State *env = &cpu->env;
struct DisasContext ctx, *dc = &ctx;
uint16_t *gen_opc_end;
uint32_t pc_start;
int j, lj;
uint32_t next_page_start;
@ -1075,8 +1074,6 @@ void gen_intermediate_code_internal(LM32CPU *cpu,
dc->num_watchpoints = cpu->num_watchpoints;
dc->tb = tb;
gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
dc->is_jmp = DISAS_NEXT;
dc->pc = pc_start;
dc->singlestep_enabled = cs->singlestep_enabled;
@ -1100,7 +1097,7 @@ void gen_intermediate_code_internal(LM32CPU *cpu,
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) {
@ -1124,7 +1121,7 @@ void gen_intermediate_code_internal(LM32CPU *cpu,
num_insns++;
} while (!dc->is_jmp
&& tcg_ctx.gen_opc_ptr < gen_opc_end
&& !tcg_op_buf_full()
&& !cs->singlestep_enabled
&& !singlestep
&& (dc->pc < next_page_start)
@ -1160,7 +1157,7 @@ void gen_intermediate_code_internal(LM32CPU *cpu,
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;
@ -1174,9 +1171,8 @@ void gen_intermediate_code_internal(LM32CPU *cpu,
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("\n");
log_target_disas(env, pc_start, dc->pc - pc_start, 0);
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
}