gcc-4.9-20140521 is now available

2014-05-21 Thread gccadmin
Snapshot gcc-4.9-20140521 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/4.9-20140521/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 4.9 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches

Re: negative latencies

2014-05-21 Thread Vladimir Makarov
On 2014-05-20, 5:18 PM, shmeel gutl wrote: On 20-May-14 06:13 PM, Vladimir Makarov wrote: On 05/19/2014 02:13 AM, shmeel gutl wrote: Are there hooks in gcc to deal with negative latencies? In other words, an architecture that permits an instruction to use a result from an instruction that will

Re: Weird startup issue with -fsplit-stack

2014-05-21 Thread Ian Lance Taylor
On Tue, May 20, 2014 at 10:30 PM, Dmitry Antipov wrote: > > The next major problem is that -fsplit-stack code randomly crashes with the > useless gdb backtrace, usually pointing to the very beginning of the > function > (plus occasional "Cannot access memory at..." messages), e.g.: > > (gdb) bt 1

Re: soft-fp functions support without using libgcc

2014-05-21 Thread Ian Lance Taylor
On Wed, May 21, 2014 at 6:13 AM, Sheheryar Zahoor Qazi wrote: >>>Building libgcc is not optional. It is required for all targets. > > So, irrespective whether i provide floating point implementation by > soft-fp, fpu-bit or ieeelib, an error free libgcc build is a MUST? Yes. > What if I dont wa

Re: soft-fp functions support without using libgcc

2014-05-21 Thread Sheheryar Zahoor Qazi
>>Building libgcc is not optional. It is required for all targets. So, irrespective whether i provide floating point implementation by soft-fp, fpu-bit or ieeelib, an error free libgcc build is a MUST? What if I dont want to generate calls to libgcc.a but want want gcc to generate inline code?

Re: RFC: Doc update for attribute

2014-05-21 Thread Georg-Johann Lay
Am 05/20/2014 03:31 PM, schrieb Carlos O'Donell: On 05/20/2014 03:59 AM, Georg-Johann Lay wrote: Am 05/16/2014 07:16 PM, schrieb Carlos O'Donell: On 05/12/2014 11:13 PM, David Wohlferd wrote: After updating gcc's docs about inline asm, I'm trying to improve some of the related sections. One th

Re: Roadmap for 4.9.1, 4.10.0 and onwards?

2014-05-21 Thread Georg-Johann Lay
Am 05/20/2014 06:04 PM, schrieb Paulo Matos: From: gcc-ow...@gcc.gnu.org [mailto:gcc-ow...@gcc.gnu.org] On Behalf Of Basile Starynkevitch Sent: 20 May 2014 16:29 To: Bruce Adams Cc: gcc@gcc.gnu.org Subject: Re: Roadmap for 4.9.1, 4.10.0 and onwards? On Tue, 2014-05-20 at 11:09 +0100, Bruce Adams

Re: soft-fp functions support without using libgcc

2014-05-21 Thread Sheheryar Zahoor Qazi
On Tue, May 20, 2014 at 10:47 PM, Ian Lance Taylor wrote: > On Tue, May 20, 2014 at 12:51 PM, Sheheryar Zahoor Qazi > wrote: >> Hi again! >> You need to look in target-arch/libgcc/config.log to see what the problem is. >> config.log states the following error: >> configure:2590: checking

Re: Zero/Sign extension elimination using value ranges

2014-05-21 Thread Jakub Jelinek
On Wed, May 21, 2014 at 12:53:47PM +1000, Kugan wrote: > On 20/05/14 16:52, Jakub Jelinek wrote: > > On Tue, May 20, 2014 at 12:27:31PM +1000, Kugan wrote: > >> 1. Handling NOP_EXPR or CONVERT_EXPR that are in the IL because they > >> are required for type correctness. We have two cases here: > >>