* H. J. Lu:
> With
>
> commit cd557ff63f388ad27c376d0a225e74d3594a6f9d
> Author: hjl
> Date: Thu Aug 10 15:29:05 2017 +
>
> i386: Don't use frame pointer without stack access
>
> When there is no stack access, there is no need to use frame pointer
> even if -fno-omit-frame-point
On Mon, Sep 3, 2018 at 9:44 AM, Michael Matz wrote:
> Hi,
>
> On Mon, 3 Sep 2018, H.J. Lu wrote:
>
>> > So, what's the testcase testing then? Before the patch it doesn't ICE,
>> > after the patch it doesn't ICE. What should I look out for so I can see
>> > that what the testcase is producing wit
Hi,
On Mon, 3 Sep 2018, H.J. Lu wrote:
> > So, what's the testcase testing then? Before the patch it doesn't ICE,
> > after the patch it doesn't ICE. What should I look out for so I can see
> > that what the testcase is producing without the patch is wrong?
>
> Before the patch, debug info is
On Mon, Sep 3, 2018 at 8:20 AM, Michael Matz wrote:
> Hi,
>
> On Mon, 3 Sep 2018, H.J. Lu wrote:
>
>> > % ./gcc/cc1plus -quiet -O -g -fno-omit-frame-pointer -fno-var-tracking x.cc
>> > % ./gcc/cc1plus -quiet -O -g -fno-omit-frame-pointer -fvar-tracking x.cc
>>
>> It is because of
>>
>> gc
Hi,
On Mon, 3 Sep 2018, H.J. Lu wrote:
> > % ./gcc/cc1plus -quiet -O -g -fno-omit-frame-pointer -fno-var-tracking x.cc
> > % ./gcc/cc1plus -quiet -O -g -fno-omit-frame-pointer -fvar-tracking x.cc
>
> It is because of
>
> gcc_assert ((SUPPORTS_STACK_ALIGNMENT
>&&
On Mon, Sep 3, 2018 at 7:32 AM, Michael Matz wrote:
> Hi,
>
> On Sun, 2 Sep 2018, H.J. Lu wrote:
>
>> Here is the patch to replace hard frame pointer with stack pointer
>> - UNITS_PER_WORD in x86 backend.
>>
>> OK for trunk?
>>
>> +// { dg-options "-O -g -fno-omit-frame-pointer -fvar-tracking" }
>
Hi,
On Sun, 2 Sep 2018, H.J. Lu wrote:
> Here is the patch to replace hard frame pointer with stack pointer
> - UNITS_PER_WORD in x86 backend.
>
> OK for trunk?
>
> +// { dg-options "-O -g -fno-omit-frame-pointer -fvar-tracking" }
> +
> +struct Foo
> +{
> + int bar(int a, int b, int c, int i1,
On Sat, Sep 01, 2018 at 06:38:35AM -0500, Segher Boessenkool wrote:
> >
> > With -fno-omit-frame-pointer, arg pointer is eliminated with hard frame
> > pointer. But
> >
> > commit cd557ff63f388ad27c376d0a225e74d3594a6f9d
> > Author: hjl
> > Date: Thu Aug 10 15:29:05 2017 +
> >
> > i3
