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target/arm: [tcg] Port to insn_start 

Incrementally paves the way towards using the generic instruction translation
loop.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Alex Benneé <alex.benee@linaro.org>
Message-Id: <150002388959.22386.12439646324427589940.stgit@frigg.lan>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Lluís Vilanova 2017-07-14 12:18:09 +03:00 committed by Richard Henderson
parent b14768544f
commit f62bd897e6
1 changed files with 11 additions and 4 deletions
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15
target/arm/translate.c
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@ -11936,6 +11936,16 @@ static void arm_tr_tb_start(DisasContextBase *dcbase, CPUState *cpu)
}
}
static void arm_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
dc->insn_start_idx = tcg_op_buf_count();
tcg_gen_insn_start(dc->pc,
(dc->condexec_cond << 4) | (dc->condexec_mask >> 1),
0);
}
/* generate intermediate code for basic block 'tb'. */
void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
{
@ -11979,10 +11989,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
do {
dc->base.num_insns++;
dc->insn_start_idx = tcg_op_buf_count();
tcg_gen_insn_start(dc->pc,
(dc->condexec_cond << 4) | (dc->condexec_mask >> 1),
0);
arm_tr_insn_start(&dc->base, cs);
if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) {
CPUBreakpoint *bp;