Re: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

2013-03-23 Thread Renato Golin
On 23 March 2013 20:32, Mans Rullgard wrote: > foo.c:1: warning: statement may not have intended effect > Or automatically open pages like these on the user's browser: http://blog.llvm.org/2011/05/what-every-c-programmer-should-know.html http://lwn.net/Articles/250967/ http://docs.oracle.com/

Re: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

2013-03-23 Thread Mans Rullgard
On 23 March 2013 20:18, Renato Golin wrote: > On 23 March 2013 18:58, Mans Rullgard wrote: >> >> The thing is, those of us who are careful when writing code actually >> want these optimisations. The more information the compiler can >> infer from the code, the better. > > And those of us who don

Re: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

2013-03-23 Thread Renato Golin
On 23 March 2013 18:58, Mans Rullgard wrote: > The thing is, those of us who are careful when writing code actually > want these optimisations. The more information the compiler can > infer from the code, the better. > And those of us who don't write careful code want as many warnings as possib

Re: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

2013-03-23 Thread Mans Rullgard
On 23 March 2013 18:51, Peter Maydell wrote: > On 23 March 2013 18:08, Pinski, Andrew > wrote: >> Actually SPEC 2006 is broken if you read the blog post correctly and >> GCC 4.8 just exposes it. > > Yes, that might be why Mans' subject line applies the adjective > 'broken' to 'SPEC 2006' :-) Th

Re: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

2013-03-23 Thread Peter Maydell
On 23 March 2013 18:08, Pinski, Andrew wrote: > Actually SPEC 2006 is broken if you read the blog post correctly and > GCC 4.8 just exposes it. Yes, that might be why Mans' subject line applies the adjective 'broken' to 'SPEC 2006' :-) [also, for completeness: 4.8.0 actually does not break thing

RE: Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

2013-03-23 Thread Pinski, Andrew
Actually SPEC 2006 is broken if you read the blog post correctly and GCC 4.8 just exposes it. Thanks, Andrew From: linaro-toolchain-boun...@lists.linaro.org [linaro-toolchain-boun...@lists.linaro.org] on behalf of Mans Rullgard [mans.rullg...@linaro.org

Regehr: GCC 4.8 Breaks Broken SPEC 2006 Benchmarks

2013-03-23 Thread Mans Rullgard
This post is making the rounds today: http://blog.regehr.org/archives/918 -- Mans Rullgard / mru ___ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain