tcg: Remove tcg_check_temp_count, tcg_clear_temp_count

Since all temps allocated by guest front-ends are now TEMP_TB,
and we don't recycle TEMP_TB, there's no point in requiring
that the front-ends free the temps at all.  Begin by dropping
the inner-most checks that all temps have been freed.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-02-24 16:15:18 -10:00
parent 3470867b3b
commit 2f2e911d0c
3 changed files with 8 additions and 72 deletions

View file

@ -18,17 +18,8 @@
#include "exec/plugin-gen.h"
#include "exec/replay-core.h"
/* Pairs with tcg_clear_temp_count.
To be called by #TranslatorOps.{translate_insn,tb_stop} if
(1) the target is sufficiently clean to support reporting,
(2) as and when all temporaries are known to be consumed.
For most targets, (2) is at the end of translate_insn. */
void translator_loop_temp_check(DisasContextBase *db)
{
if (tcg_check_temp_count()) {
qemu_log("warning: TCG temporary leaks before "
TARGET_FMT_lx "\n", db->pc_next);
}
}
bool translator_use_goto_tb(DisasContextBase *db, target_ulong dest)
@ -67,9 +58,6 @@ void translator_loop(CPUState *cpu, TranslationBlock *tb, int *max_insns,
ops->init_disas_context(db, cpu);
tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */
/* Reset the temp count so that we can identify leaks */
tcg_clear_temp_count();
/* Start translating. */
gen_tb_start(db->tb);
ops->tb_start(db, cpu);