gcc-7-20190530 is now available

2019-05-30 Thread gccadmin
Snapshot gcc-7-20190530 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/7-20190530/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 7 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches/gcc-7

Re: About GSOC.

2019-05-30 Thread Segher Boessenkool
On Thu, May 30, 2019 at 07:08:45PM +0200, Martin Jambor wrote: > Interesting, I was also puzzled for a moment. But notice that: > > int main () > { > _Float128 x = 18446744073709551617.5f128; > _Float128 y = __builtin_roundf128 (x); > } > > behaves as expected... the difference is of cou

Re: unrecognizable insn generated in plugin?

2019-05-30 Thread Tycho Andersen
Hi Andrew, On Thu, May 30, 2019 at 10:09:44AM -0700, Andrew Pinski wrote: > On Thu, May 30, 2019 at 10:01 AM Tycho Andersen wrote: > > > > Hi all, > > > > I've been trying to implement an idea Andy suggested recently for > > preventing some kinds of ROP attacks. The discussion of the idea is > >

Prof Laurie Hendren passed away

2019-05-30 Thread Diego Novillo via gcc
Dear community, Although I have not been involved with GCC for a number of years, I would like to share with the whole community the sad news that Prof Laurie Hendren passed away recently. Her work on SIMPLE was a key inspiration for the Tree SSA work in the early 2000s ( https://www.gnu.org/soft

Re: unrecognizable insn generated in plugin?

2019-05-30 Thread Andrew Pinski
On Thu, May 30, 2019 at 10:01 AM Tycho Andersen wrote: > > Hi all, > > I've been trying to implement an idea Andy suggested recently for > preventing some kinds of ROP attacks. The discussion of the idea is > here: > https://lore.kernel.org/linux-mm/dfa69954-3f0f-4b79-a9b5-893d33d87...@amacapital.

Re: About GSOC.

2019-05-30 Thread Martin Jambor
Hi, On Thu, May 30 2019, Tejas Joshi wrote: > Hello. > I tried to check the values for significand words using _Float128 > using a test program with value larger than 64 bit. > Test program : > > int main () > { > _Float128 x = 18446744073709551617.5; (i.e. 2^64 + 1.5 which is > certainly lo

unrecognizable insn generated in plugin?

2019-05-30 Thread Tycho Andersen
Hi all, I've been trying to implement an idea Andy suggested recently for preventing some kinds of ROP attacks. The discussion of the idea is here: https://lore.kernel.org/linux-mm/dfa69954-3f0f-4b79-a9b5-893d33d87...@amacapital.net/ Right now I'm struggling to get my plugin to compile without cr

Re: Question about GCC not warning for some noncompliant SEI CERT C code examples

2019-05-30 Thread Jeff Law
On 5/30/19 8:28 AM, Martin Sebor wrote: > On 5/30/19 3:12 AM, Fredrik Hederstierna wrote: >> Hi >> >> When reading the SEI CERT C Coding Standard rules, looking at >> "DCL30-C. Declare objects with appropriate storage durations" >> it seem like GCC does not warn in compile-time for some noncomplian

Re: Question about GCC not warning for some noncompliant SEI CERT C code examples

2019-05-30 Thread Martin Sebor
On 5/30/19 3:12 AM, Fredrik Hederstierna wrote: Hi When reading the SEI CERT C Coding Standard rules, looking at "DCL30-C. Declare objects with appropriate storage durations" it seem like GCC does not warn in compile-time for some noncompliant examples. I know eg AddressSanitizer and several ru

Re: [GSoC'19, libgomp work stealing] baseline benchmark results

2019-05-30 Thread 김규래
Hi, My bad. I broke the link capitalization by mistake. This is the correct link: http://imgur.com/YsxS5Ol ​ Ray Kim ​ -Original Message- From: "Martin Jambor" To: "김규래"; ; Cc: ; Sent: 2019-05-30 (목) 18:11:31 (GMT+09:00) Subject: Re: [GSoC'19, libgomp work stealing] baseline benchmark resul

Question about GCC not warning for some noncompliant SEI CERT C code examples

2019-05-30 Thread Fredrik Hederstierna
Hi When reading the SEI CERT C Coding Standard rules, looking at "DCL30-C. Declare objects with appropriate storage durations" it seem like GCC does not warn in compile-time for some noncompliant examples. I know eg AddressSanitizer and several runtime running tools finds these bugs, but it would

Re: [GSoC'19, libgomp work stealing] baseline benchmark results

2019-05-30 Thread Martin Jambor
Hi, On Thu, May 30 2019, 김규래 wrote: > ​Hi everyone, > Just wanted to share some quick baseline benchmark results [3]. > I ran LU decomposition on a AMD Ryzen Threadripper 1950x 16C/32T system. > LAPACK is currently plain loop parallel BLAS as far I believe. > And the upstream version of PLASMA use