On Feb 17, 2008 10:54 AM, Andreas Schwab <[EMAIL PROTECTED]> wrote: > "Richard Guenther" <[EMAIL PROTECTED]> writes: > > > I see the use of cpuid.h is wrapped inside #ifdef __GNUC__, so the issue is > > only > > using old GCC as the host compiler (I checked 2.95 which chokes on the asm). > > Can we change this guard to only allow GCC >= 3.3 which would also fix this? > > Won't those host dependent parameters cause bootstrap comparison > failures? If the stage1 compiler doesn't use the same detection > routines as the stage2 compiler then the stage2 compiler is compiled > with different options than the stage3 compiler.
If you bootstrap with BOOT_CFLAGS="-march=native" yes, otherwise no. Maybe we should build i386-driver.c with the stage1 compiler and not the host compiler, which of course causes a chicken and egg problem... Richard.
