Hello,
>From what I understand, the question is not really how do we dump passes
but what a pass (from a plugin or not) should dump? So the question is
what do you expect from a dump file?
Do you expect to have the full internal representation of the code after
the end of the pass? For many dump
Snapshot gcc-4.5-20110901 is now available on
ftp://gcc.gnu.org/pub/gcc/snapshots/4.5-20110901/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
This snapshot has been generated from the GCC 4.5 SVN branch
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Hi,
RTEMS is participating in the ESA Summer of
Code in Space. We have a student who is
enhancing the RTEMS coverage tool[1] to produce
gcno files. Is there someone who feels
competent in this area who could help review
and guide this student?
I expect this will be a light duty activity.
Than
Hi,
For the following small case,
int f(int i, int j)
{
if (i==1 && j==2)
return i;
else
return j;
}
with -O2 option, GCC has vrp2 dump like below,
==
Value ranges after VRP:
i_1: VARYING
i_2(D): VARYING
D.1249_3: [0, +INF]
j
On Thu, Sep 1, 2011 at 10:58 PM, Jiangning Liu wrote:
> D.1249_3: [0, 1]
> D.1250_5: [0, 1]
> D.1251_6: [0, 1]
Those are equivalent to [0, MAX] as _Bool only has two different
values, 0 and 1 (MAX). Can you explain more about the optimization
which you are working on that needs the ranges as (in
