Re: missed optimization: transforming while(n>=1) into if(n>=1)

2011-05-21 Thread Siarhei Siamashka
ression used for comparison with zero, which makes it obvious that the flags already set by arithmetic instruction can be reused without emitting an extra comparison instruction). Though it's somewhat more complicated when targeting MIPS processors. -- Best regards, Siarhei Siamashka

Re: RFC: ARM Cortex-A8 and floating point performance

2010-06-17 Thread Siarhei Siamashka
On Wednesday 16 June 2010 15:22:32 Ramana Radhakrishnan wrote: > On Wed, 2010-06-16 at 15:52 +0000, Siarhei Siamashka wrote: > > Currently gcc (at least version 4.5.0) does a very poor job generating > > single precision floating point code for ARM Cortex-A8. > > > > Th

RFC: ARM Cortex-A8 and floating point performance

2010-06-16 Thread Siarhei Siamashka
on floating point tests that I tried on ARM Cortex-A8. -- Best regards, Siarhei Siamashka