Thanks. I also noticed a tiny performance glitch in my recent intprops.h
changes, which I fixed with the attached.
>From ea38053c25508e8cae0c077984caf2bbe3f1b4dd Mon Sep 17 00:00:00 2001
From: Paul Eggert
Date: Tue, 30 Aug 2016 12:29:21 -0700
Subject: [PATCH] intprops: tune INT_NEGATE_OVERFLOW fo
On Mon, Aug 29, 2016 at 3:58 PM, Jim Meyering wrote:
> On Mon, Aug 29, 2016 at 12:05 PM, Paul Eggert wrote:
>> Jim Meyering wrote:
>>
>>> Good catch.
>>> Thanks.
>>
>>
>> In trying it out on GNU Emacs with GCC 6.2 I ran into another problem: it
>> complains at compile-time if __builtin_add_overfl
On Mon, Aug 29, 2016 at 12:05 PM, Paul Eggert wrote:
> Jim Meyering wrote:
>
>> Good catch.
>> Thanks.
>
>
> In trying it out on GNU Emacs with GCC 6.2 I ran into another problem: it
> complains at compile-time if __builtin_add_overflow's 3rd arg is null. In
> some GCC versions this is supposed to
Jim Meyering wrote:
Good catch.
Thanks.
In trying it out on GNU Emacs with GCC 6.2 I ran into another problem: it
complains at compile-time if __builtin_add_overflow's 3rd arg is null. In some
GCC versions this is supposed to discard the value, but I guess that capability
is superseded by _
On Mon, Aug 29, 2016 at 10:17 AM, Paul Eggert wrote:
> Thanks for those fixes from the bleeding edge! One minor point: a strict
> reading of the GCC 7 manual would say that calls to __builtin_add_overflow_p
> etc. should use __typeof__ to avoid overflow in the very expression one is
> trying to ch
Thanks for those fixes from the bleeding edge! One minor point: a strict reading
of the GCC 7 manual would say that calls to __builtin_add_overflow_p etc. should
use __typeof__ to avoid overflow in the very expression one is trying to check
for overflow, so I installed the attached followup.
Fro
From b9c364f02cb7a7485cd063fa2cbcbf82042fa8cc Mon Sep 17 00:00:00 2001
From: Jim Meyering
Date: Mon, 29 Aug 2016 09:27:50 -0700
Subject: [PATCH 1/2] intprops.h: fix missing-backslash problems
* lib/intprops.h (_GL_ADD_OVERFLOW): Add backslash.
(_GL_SUBTRACT_OVERFLOW,_GL_MULTIPLY_OVERFLOW): Likew
