On Thu, Apr 27, 2023 at 12:10:40PM +, Richard Biener wrote:
> The following generalizes the range-op for __builtin_expect
> by using the fnspec machinery.
>
> We've defered this to stage1 - bootstrapped and tested on
> x86_64-unknown-linux-gnu.
>
> OK?
>
> Thanks,
> Richard.
>
> PR t
On Tue, Mar 21, 2023 at 08:21:18AM +, Richard Biener wrote:
> On Mon, 20 Mar 2023, Jakub Jelinek wrote:
>
> > On Mon, Mar 20, 2023 at 12:12:14PM +, Richard Biener wrote:
> > > PR tree-optimization/109170
> > > * gimple-range-op.cc (cfn_pass_through_arg1): New.
> > > (gimple_range_op_
On Mon, 20 Mar 2023, Jakub Jelinek wrote:
> On Mon, Mar 20, 2023 at 12:12:14PM +, Richard Biener wrote:
> > PR tree-optimization/109170
> > * gimple-range-op.cc (cfn_pass_through_arg1): New.
> > (gimple_range_op_handler::maybe_builtin_call): Handle
> > __builtin_expect and simi
On Mon, Mar 20, 2023 at 12:12:14PM +, Richard Biener wrote:
> PR tree-optimization/109170
> * gimple-range-op.cc (cfn_pass_through_arg1): New.
> (gimple_range_op_handler::maybe_builtin_call): Handle
> __builtin_expect and similar via cfn_pass_through_arg1
> and ins
On Mon, 20 Mar 2023, Richard Biener wrote:
> On Fri, 17 Mar 2023, Jakub Jelinek wrote:
>
> > On Fri, Mar 17, 2023 at 02:18:52PM +, Richard Biener wrote:
> > > > And as you show on the testcases, it probably isn't a good idea for
> > > > BUILT_IN_EXPECT* either.
> > > >
> > > > So, perhaps us
On Fri, 17 Mar 2023, Jakub Jelinek wrote:
> On Fri, Mar 17, 2023 at 01:55:51PM +, Richard Biener wrote:
> > > Anyway, I think it is fine to implement __builtin_expect this way
> > > for now, ERF_RETURNS_ARG will be more important for pointers, especially
> > > if
> > > we propagate something
On Fri, Mar 17, 2023 at 01:55:51PM +, Richard Biener wrote:
> > Anyway, I think it is fine to implement __builtin_expect this way
> > for now, ERF_RETURNS_ARG will be more important for pointers, especially if
> > we propagate something more than just maybe be/can't be/must be null.
> > Don't y
On 3/17/23 08:59, Jakub Jelinek wrote:
On Fri, Mar 17, 2023 at 12:53:48PM +, Richard Biener wrote:
On Fri, 17 Mar 2023, Jakub Jelinek wrote:
On Fri, Mar 17, 2023 at 01:18:32PM +0100, Richard Biener wrote:
The following adds a missing range-op for __builtin_expect which
helps -Wuse-after
On Fri, 17 Mar 2023, Jakub Jelinek wrote:
> On Fri, Mar 17, 2023 at 12:53:48PM +, Richard Biener wrote:
> > On Fri, 17 Mar 2023, Jakub Jelinek wrote:
> >
> > > On Fri, Mar 17, 2023 at 01:18:32PM +0100, Richard Biener wrote:
> > > > The following adds a missing range-op for __builtin_expect wh
On Fri, Mar 17, 2023 at 12:53:48PM +, Richard Biener wrote:
> On Fri, 17 Mar 2023, Jakub Jelinek wrote:
>
> > On Fri, Mar 17, 2023 at 01:18:32PM +0100, Richard Biener wrote:
> > > The following adds a missing range-op for __builtin_expect which
> > > helps -Wuse-after-free to detect the case a
On Fri, 17 Mar 2023, Jakub Jelinek wrote:
> On Fri, Mar 17, 2023 at 01:18:32PM +0100, Richard Biener wrote:
> > The following adds a missing range-op for __builtin_expect which
> > helps -Wuse-after-free to detect the case a realloc original
> > pointer is used when the result was NULL.
> >
> > B
On Fri, Mar 17, 2023 at 01:18:32PM +0100, Richard Biener wrote:
> The following adds a missing range-op for __builtin_expect which
> helps -Wuse-after-free to detect the case a realloc original
> pointer is used when the result was NULL.
>
> Bootstrap and regtest running on x86_64-unknown-linux-gn
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