Re: anti-optimization of _DecimalXX by -ffast-math

2010-01-12 Thread Andrew Pinski
On Tue, Jan 12, 2010 at 12:59 PM, Roman Kononov wrote: > Is there a good reason to place something on the stack? Why does > -funsafe-math-optimizations (which is a part of -ffast-math) make things > even worse? It actually swaps the arguments for __bid_a3(). Because it turns on re-association

anti-optimization of _DecimalXX by -ffast-math

2010-01-12 Thread Roman Kononov
Hi, $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/home/rk/gcc/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ./configure --prefix=/home/rk/gcc --enable-languages=c,c++ Thread model: posix gcc version 4.5.0 20100112 (e