On Wed, May 5, 2010 at 12:41 PM, Basile Starynkevitch <bas...@starynkevitch.net> wrote: > On 05/05/2010 07:42 PM, H.J. Lu wrote: >> >> On Wed, May 5, 2010 at 10:18 AM, Steve Ellcey<s...@cup.hp.com> wrote: >>> >>> I was wondering if anyone has built GCC using a CFLAGS (and CXXFLAGS) >>> setting >>> that causes GCC to generate code that is not compatibile with the default >>> GCC output. >> >> I am using >> >> # CC="gcc -m32" CXX="g++ -m32" ...../configure .... >> >> to bootstrap 32bit gcc on 64bit Linux. >> > > Out of curiosity, H.J.Lu, is it for performance reasons (like eg. > bootstrapping in 32 bits mode is faster) or is it for testing reasons (like > you are working on x86 32 bits backend)? >
This is to test 32bit host wide integer on 64bit host. -- H.J.
