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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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14
target-alpha/translate.c
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@ -2790,7 +2790,6 @@ static inline void gen_intermediate_code_internal(AlphaCPU *cpu,
target_ulong pc_start;
target_ulong pc_mask;
uint32_t insn;
uint16_t *gen_opc_end;
CPUBreakpoint *bp;
int j, lj = -1;
ExitStatus ret;
@ -2798,7 +2797,6 @@ static inline void gen_intermediate_code_internal(AlphaCPU *cpu,
int max_insns;
pc_start = tb->pc;
gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
ctx.tb = tb;
ctx.pc = pc_start;
@ -2839,11 +2837,12 @@ static inline void gen_intermediate_code_internal(AlphaCPU *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)
while (lj < j) {
tcg_ctx.gen_opc_instr_start[lj++] = 0;
}
}
tcg_ctx.gen_opc_pc[lj] = ctx.pc;
tcg_ctx.gen_opc_instr_start[lj] = 1;
@ -2881,7 +2880,7 @@ static inline void gen_intermediate_code_internal(AlphaCPU *cpu,
or exhaust instruction count, stop generation. */
if (ret == NO_EXIT
&& ((ctx.pc & pc_mask) == 0
|| tcg_ctx.gen_opc_ptr >= gen_opc_end
|| tcg_op_buf_full()
|| num_insns >= max_insns
|| singlestep
|| ctx.singlestep_enabled)) {
@ -2914,10 +2913,11 @@ static inline void gen_intermediate_code_internal(AlphaCPU *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)
while (lj <= j) {
tcg_ctx.gen_opc_instr_start[lj++] = 0;
}
} else {
tb->size = ctx.pc - pc_start;
tb->icount = num_insns;