On Tue, Dec 18, 2012 at 7:21 AM, Max Filippov <jcmvb...@gmail.com> wrote:
> Zero out tcg_ctx.gen_opc_instr_start for instructions representing the
> last guest opcode in the TB.
>
> Cc: qemu-sta...@nongnu.org
> Signed-off-by: Max Filippov <jcmvb...@gmail.com>
> ---
> target-xtensa/translate.c | 8 +++++++-
> 1 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
> index 5d8762c..d109a08 100644
> --- a/target-xtensa/translate.c
> +++ b/target-xtensa/translate.c
> @@ -3005,7 +3005,13 @@ 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;
> + lj++;
> + while (lj <= j) {
> + tcg_ctx.gen_opc_instr_start[lj++] = 0;
> + }
Instead of the loop, how about something like
memset(&tcg_ctx.gen_opc_instr_start[lj], 0, j - lj)?
> + } else {
> tb->size = dc.pc - pc_start;
> tb->icount = insn_count;
> }
> --
> 1.7.7.6
>
