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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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9
target-i386/translate.c
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@ -7913,7 +7913,6 @@ static inline void gen_intermediate_code_internal(X86CPU *cpu,
CPUX86State *env = &cpu->env;
DisasContext dc1, *dc = &dc1;
target_ulong pc_ptr;
uint16_t *gen_opc_end;
CPUBreakpoint *bp;
int j, lj;
uint64_t flags;
@ -7993,8 +7992,6 @@ static inline void gen_intermediate_code_internal(X86CPU *cpu,
cpu_ptr1 = tcg_temp_new_ptr();
cpu_cc_srcT = tcg_temp_local_new();
gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
dc->is_jmp = DISAS_NEXT;
pc_ptr = pc_start;
lj = -1;
@ -8015,7 +8012,7 @@ static inline void gen_intermediate_code_internal(X86CPU *cpu,
}
}
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)
@ -8060,7 +8057,7 @@ static inline void gen_intermediate_code_internal(X86CPU *cpu,
break;
}
/* if too long translation, stop generation too */
if (tcg_ctx.gen_opc_ptr >= gen_opc_end ||
if (tcg_op_buf_full() ||
(pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32) ||
num_insns >= max_insns) {
gen_jmp_im(pc_ptr - dc->cs_base);
@ -8080,7 +8077,7 @@ done_generating:
/* we don't forget to fill the last values */
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;