Dmitry Stogov wrote:
> You use -O0 and unoptimized execute() function require a lot of stack
> space, because space for local variables is not reused.
Thank you for this explanation, Dmitry.
--
Sebastian Bergmann http://sebastian-bergmann.de/
GnuPG Key: 0xB85B5D69 / 27
..
Dmitry.
> -Original Message-
> From: news [mailto:[EMAIL PROTECTED] On Behalf Of Sebastian Bergmann
> Sent: Sunday, October 15, 2006 5:21 PM
> To: internals@lists.php.net
> Subject: Re: [PHP-DEV] Impact of CFLAGS on GOTO and SWITCH executers
>
>
> Sebastian Berg
Given the tricky nature of enabling different execution modes I'd be
very surprised to see people use non-default values, so to your
answer of how well tested other executors are, I'd say not a whole lot.
On 15-Oct-06, at 9:21 AM, Sebastian Bergmann wrote:
Sebastian Bergmann wrote:
What s
Sebastian Bergmann wrote:
> What strikes me as odd are the segmentation faults when PHP is built
> with -O0 (no optimizations).
Some more information of the segfaults: It looks as if the ackermann
test is responsible for the segfaults.
I uploaded a backtrace from GDB and a logfile from valgrin
Today I built PHP 4.4.4, PHP 5.0.5, PHP 5.1.6, and current PHP_5_2 (the
last two each with CALL, GOTO, and SWITCH VMs) with GCC 3.4.6 and
GCC 4.1.1 with -O{0|1|2|3|s} [1].
CFLAGS: -march=pentium-m -msse3 -O{0|1|2|3|s} -pipe
configure options: --disable-cgi --disable-all
I let each of the re