Re: GCC -mach=native on OS X 10.8

2013-11-28 Thread Iain Sandoe
Hello Vera, On 28 Nov 2013, at 13:15, Vera Loeser wrote: > I use the GCC 4.8 from Macports and I'd like to optimize my code by using the > flag -march=native. For that I have to use the assembler of clang, because > the GNU assembler is too old and cannot use the AVX extensions. By setting > t

GCC -mach=native on OS X 10.8

2013-11-28 Thread Vera Loeser
Dear all, I use the GCC 4.8 from Macports and I'd like to optimize my code by using the flag -march=native. For that I have to use the assembler of clang, because the GNU assembler is too old and cannot use the AVX extensions. By setting the flags "-Wa,-q" the GCC should work. But with optimizi