From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:49359) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TvWH1-0004YG-LW for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:55:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TvWGw-00075u-Mc for qemu-devel@nongnu.org; Wed, 16 Jan 2013 11:55:35 -0500 Sender: fluxion From: Michael Roth Date: Wed, 16 Jan 2013 10:49:19 -0600 Message-Id: <1358354963-9070-18-git-send-email-mdroth@linux.vnet.ibm.com> In-Reply-To: <1358354963-9070-1-git-send-email-mdroth@linux.vnet.ibm.com> References: <1358354963-9070-1-git-send-email-mdroth@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 17/21] target-xtensa: fix search_pc for the last TB opcode List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, qemu-stable@nongnu.org From: Max Filippov Zero out tcg_ctx.gen_opc_instr_start for instructions representing the last guest opcode in the TB. Cc: qemu-stable@nongnu.org Signed-off-by: Max Filippov Signed-off-by: Blue Swirl (cherry picked from commit 36f25d2537c40c6c47f4abee5d31a24863d1adf7) *modified to use older global version of gen_opc_instr_start Signed-off-by: Michael Roth --- target-xtensa/translate.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index e5a3f49..87f26c2 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -2962,7 +2962,11 @@ static void gen_intermediate_code_internal( gen_icount_end(tb, insn_count); *tcg_ctx.gen_opc_ptr = INDEX_op_end; - if (!search_pc) { + if (search_pc) { + j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf; + memset(gen_opc_instr_start + lj + 1, 0, + (j - lj) * sizeof(gen_opc_instr_start[0])); + } else { tb->size = dc.pc - pc_start; tb->icount = insn_count; } -- 1.7.9.5