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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-sparc/translate.c
View file

@ -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;