From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=55186 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PwM0K-0006qM-AR for qemu-devel@nongnu.org; Sun, 06 Mar 2011 17:00:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PwLgD-00084G-S3 for qemu-devel@nongnu.org; Sun, 06 Mar 2011 16:39:58 -0500 Received: from mnementh.archaic.org.uk ([81.2.115.146]:52071) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PwLgD-000840-Gc for qemu-devel@nongnu.org; Sun, 06 Mar 2011 16:39:57 -0500 From: Peter Maydell Date: Sun, 6 Mar 2011 21:39:55 +0000 Message-Id: <1299447595-13344-4-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1299447595-13344-1-git-send-email-peter.maydell@linaro.org> References: <1299447595-13344-1-git-send-email-peter.maydell@linaro.org> Subject: [Qemu-devel] [PATCH v3 3/3] target-arm: Use TCG temporary leak debugging facilities List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: patches@linaro.org Use the new TCG temporary leak debugging facilities to check that each ARM instruction does not leak temporaries. Signed-off-by: Peter Maydell --- target-arm/translate.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/target-arm/translate.c b/target-arm/translate.c index c8cbb9c..f9bb573 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -9150,6 +9150,8 @@ static inline void gen_intermediate_code_internal(CPUState *env, gen_icount_start(); + tcg_clear_temp_count(); + /* A note on handling of the condexec (IT) bits: * * We want to avoid the overhead of having to write the updated condexec @@ -9259,6 +9261,11 @@ static inline void gen_intermediate_code_internal(CPUState *env, gen_set_label(dc->condlabel); dc->condjmp = 0; } + + if (tcg_check_temp_count()) { + fprintf(stderr, "TCG temporary leak before %08x\n", dc->pc); + } + /* Translation stops when a conditional branch is encountered. * Otherwise the subsequent code could get translated several times. * Also stop translation when a page boundary is reached. This -- 1.7.1