> > At the end of the link belows,
> >
> > http://gcc.gnu.org/onlinedocs/gccint/Maintaining-the-CFG.html#Maintaining-the-CFG
> >
> > It says,
> >
> > "Note that at present, the representation of control flow in the tree
> > representation is discarded before expanding to RTL. Long term the C
On Jun 12, 2011, at 4:03 AM, Richard Guenther wrote:
> Btw, see tree.def which says
>
> /* Represents viewing something of one type as being of a second type.
> This corresponds to an "Unchecked Conversion" in Ada and roughly to
> the idiom *(type2 *)&X in C. The only operand is the value to
On 06/12/2011 06:59 AM, Richard Guenther wrote:
The please provide a specification on what a VIEW_CONVERT_EXPR does
to type-based alias analysis.
If the alias set of the VIEW_CONVERT_EXPR type the same as the set for
the operand, ignore it; if it's a subset, handle it like a
COMPONENT_REF; ot
Snapshot gcc-4.3-20110612 is now available on
ftp://gcc.gnu.org/pub/gcc/snapshots/4.3-20110612/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
This snapshot has been generated from the GCC 4.3 SVN branch
with the following options: svn://gcc.gnu.org/svn/gcc/branches
Hi,
Revision 174952:
http://gcc.gnu.org/ml/gcc-cvs/2011-06/msg00441.html
totally breaks C++ on x86:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49378
http://gcc.gnu.org/ml/gcc-regression/2011-06/msg00159.html
One symptom is we are using uninitialized registers, which leads
to writing random me
On Sun, Jun 12, 2011 at 12:59 PM, Richard Guenther
wrote:
> On Sat, Jun 11, 2011 at 10:01 PM, Jason Merrill wrote:
>> On 06/10/2011 10:20 AM, Richard Guenther wrote:
>>>
>>> no, a VIEW_CONVERT_EXPR is generally not an lvalue (fold for example
>>> would turn the above to (volatile int) a[1]).
>>
>
On Sat, Jun 11, 2011 at 10:19 PM, Erik Vaughn wrote:
>> GCC 4.6.1 is planned for roughly late May, unless any reason arises to>
>> release
>>it earlier.
>> The next report for 4.6.1 will be sent by Richard.
>
> Is there a reason that the release has been delayed?
Lack of time? Queuing up some m
On Sat, Jun 11, 2011 at 10:01 PM, Jason Merrill wrote:
> On 06/10/2011 10:20 AM, Richard Guenther wrote:
>>
>> no, a VIEW_CONVERT_EXPR is generally not an lvalue (fold for example
>> would turn the above to (volatile int) a[1]).
>
> The gimplifier seems to consider it an lvalue: gimplify_expr uses
