On 5/20/2015 2:13 PM, Martin Uecker wrote:
mark maule :
On 5/20/2015 3:27 AM, Richard Biener wrote:
On Mon, May 18, 2015 at 10:01 PM, mark maule wrote:
The usual issue with this kind of behavior is out-of-bound accesses of
arrays in a loop
or invoking undefined behavior when signed
On 5/20/2015 3:27 AM, Richard Biener wrote:
On Mon, May 18, 2015 at 10:01 PM, mark maule wrote:
I have a loop which hangs when compiled with -O2, but runs fine when
compiled with -O1. Not sure what information is required to get an answer,
so starting with the full src code. I have not
On 5/19/2015 10:28 AM, Andrew Haley wrote:
On 05/19/2015 04:14 PM, mark maule wrote:
Thanks again Martin. I started going down that road yesterday, and got
lost in the forest of options. What I was looking for was some option
that would tell me what was being done with dgHandle
On 5/19/2015 10:09 AM, Martin Sebor wrote:
I'm not very familiar with the optimizations that are done in O2 vs O1,
or even what happens in these optimizations.
So, I'm wondering if this is a bug, or a subtle valid optimization that
I don't understand. Any help would be appreciated.
Another
is volatile or when a lower -O level
is used.
dgHandle_t is a uint16_t (unsigned short int) and BS_CFG_DRIVE_GROUPS is
the value 480.
thanks again.
Mark
On 5/18/2015 7:05 PM, Martin Sebor wrote:
On 05/18/2015 02:01 PM, mark maule wrote:
I have a loop which hangs when compiled with -O2, but