Martin Uecker :
> Marek Polacek :
>
> > > void foo(int (*x)[4])
> > > {
> > > (*x)[4] = 5;// warning
> > > }
> >
> > This is detected by -fsanitize=object-size, turned on by default in
> > -fsanitize=undefined. Since it makes use of __builtin_object_size,
> > it is necessary to compile w
On Mon, Sep 29, 2014 at 4:00 AM, Jakub Jelinek wrote:
> On Mon, Sep 29, 2014 at 12:56:06PM +0200, Thomas Schwinge wrote:
>> Hi!
>>
>> On Tue, 23 Sep 2014 11:02:30 +, "Zamyatin, Igor"
>> wrote:
>> > Jeff Law wrote:
>> > > The original plan was for Balaji to take on this role; however, his
>>
I sent this discussion of how one might go about large-scale target macro
removal in response to an off-list enquiry last month, but it may be of
more general interest.
--
Joseph S. Myers
jos...@codesourcery.com
-- Forwarded message --
Date: Tue, 20 Jan 2015 18:04:27 + (UTC
On Mon, 23 Feb 2015, Jeff Law wrote:
On 02/23/15 11:38, Joseph Myers wrote:
(I wonder if convert_mult_to_fma is something that should move to
match-and-simplify infrastructure.)
Yea, it probably should.
Currently, it happens in a pass that is quite late. If it moves to
match-and-simplify,
On 02/23/15 11:38, Joseph Myers wrote:
(I wonder if convert_mult_to_fma is something that should move to
match-and-simplify infrastructure.)
Yea, it probably should.
Jeff
On Fri, 20 Feb 2015, Steve Ellcey wrote:
> Or one could change convert_mult_to_fma to add a check if fma is fused
> vs. non-fused in addition to the check for the flag_fp_contract_mode in
> order to decide whether to convert expressions into an fma and then
> define fma instructions in the md fil
On 02/23/15 10:42, Steve Ellcey wrote:
No, I am thinking about the case where there are only non-fused multiply
add instructions available. To make sure I am using the right
terminology, I am using a non-fused multiply-add to mean a single fma
instruction that does '(a + (b * c))' but which roun
On Sat, 21 Feb 2015, Marek Polacek wrote:
> option that detects a particular UB. Or say that a particular UB is a
> compile-time error (e.g. "declaring a function at block scope with an explicit
> storage-class specifier other than extern").
That one is already a hard error for cases such as sta
On Sun, 2015-02-22 at 10:30 -0800, Matthew Fortune wrote:
> Steve Ellcey writes:
> > Or one could change convert_mult_to_fma to add a check if fma is fused
> > vs. non-fused in addition to the check for the flag_fp_contract_mode
> > in order to decide whether to convert expressions into an fma and
