Re: A strange code snippet: jump to a return instruction

2014-01-09 Thread Ian Lance Taylor
On Thu, Jan 9, 2014 at 3:00 PM, xmeng wrote: > > Here is a strange code snippet in gcc.bin in version 4.7.0: > > 00402e20 <_ZL28if_exists_else_spec_functioniPPKc>: > 402e20: 31 c0 xor%eax,%eax > 402e22: 83 ff 02cmp$0x2,%edi > 402e

A strange code snippet: jump to a return instruction

2014-01-09 Thread xmeng
Hi, Here is a strange code snippet in gcc.bin in version 4.7.0: 00402e20 <_ZL28if_exists_else_spec_functioniPPKc>: 402e20: 31 c0 xor%eax,%eax 402e22: 83 ff 02cmp$0x2,%edi 402e25: 75 11 jne402e38 402

gcc-4.8-20140109 is now available

2014-01-09 Thread gccadmin
Snapshot gcc-4.8-20140109 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/4.8-20140109/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 4.8 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches

RE: Infinite number of iterations in loop [v850, mep]

2014-01-09 Thread Paulo Matos
> -Original Message- > From: Richard Biener [mailto:richard.guent...@gmail.com] > Sent: 08 January 2014 14:42 > To: Paulo Matos > Cc: Andrew Haley; gcc@gcc.gnu.org; Jan Hubicka > Subject: Re: Infinite number of iterations in loop [v850, mep] > > On Wed, Jan 8, 2014 at 3:09 PM, Paulo Matos

Generating minimum libstdc++ symbols for a new platform

2014-01-09 Thread Bill Schmidt
Hi, It was recently pointed out to me that our new powerpc64le-linux-gnu target does not yet have a corresponding directory in libstdc ++-v3/config/abi/post/ to hold a baseline_symbols.txt for the platform. I've been looking around and haven't found any documentation for how the minimum baseline s

Re: Still fails with strict-volatile-bitfields

2014-01-09 Thread Richard Earnshaw
On 09/01/14 08:26, Bernd Edlinger wrote: > Hi, > > On Thu, 9 Jan 2014 15:01:54, Yoey Ye wrote: >> >> Sandra, Bernd, >> >> Can you take a look at >> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59734 >> >> It seems a siimple case still doesn't work as expected. Did I miss anything? >> >> Thanks, >>

Re: proposal to make SIZE_TYPE more flexible

2014-01-09 Thread Joseph S. Myers
On Wed, 8 Jan 2014, DJ Delorie wrote: > So... OK if __int20 and __int128 keywords exist always (for ports that > request them, which for __int128 would be all of them), but still be > "unsupported" if for some reason the port doesn't support them because > of command line options? That seems reas

RE: Infinite number of iterations in loop [v850, mep]

2014-01-09 Thread Paulo Matos
> -Original Message- > From: Richard Biener [mailto:richard.guent...@gmail.com] > Sent: 08 January 2014 14:42 > To: Paulo Matos > Cc: Andrew Haley; gcc@gcc.gnu.org; Jan Hubicka > Subject: Re: Infinite number of iterations in loop [v850, mep] > > Well. We have > > Loop 2 is simple: > si

RE: Still fails with strict-volatile-bitfields

2014-01-09 Thread Bernd Edlinger
Hi, On Thu, 9 Jan 2014 15:01:54, Yoey Ye wrote: > > Sandra, Bernd, > > Can you take a look at > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59734 > > It seems a siimple case still doesn't work as expected. Did I miss anything? > > Thanks, > Joey Yes, this is a major case where the C++ memory mod