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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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8
target-sh4/translate.c
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@ -1865,14 +1865,12 @@ gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb,
CPUSH4State *env = &cpu->env;
DisasContext ctx;
target_ulong pc_start;
static uint16_t *gen_opc_end;
CPUBreakpoint *bp;
int i, ii;
int num_insns;
int max_insns;
pc_start = tb->pc;
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;
@ -1891,7 +1889,7 @@ gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb,
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
gen_tb_start(tb);
while (ctx.bstate == BS_NONE && tcg_ctx.gen_opc_ptr < gen_opc_end) {
while (ctx.bstate == BS_NONE && !tcg_op_buf_full()) {
if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) {
QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
if (ctx.pc == bp->pc) {
@ -1904,7 +1902,7 @@ gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb,
}
}
if (search_pc) {
i = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
i = tcg_op_buf_count();
if (ii < i) {
ii++;
while (ii < i)
@ -1964,7 +1962,7 @@ gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb,
gen_tb_end(tb, num_insns);
if (search_pc) {
i = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
i = tcg_op_buf_count();
ii++;
while (ii <= i)
tcg_ctx.gen_opc_instr_start[ii++] = 0;