Re: x86 -ffast-math problem on SPEC CPU 2K

2006-02-23 Thread H. J. Lu
On Thu, Feb 23, 2006 at 11:00:33AM -0800, Dale Johannesen wrote: > > On Feb 23, 2006, at 8:54 AM, H. J. Lu wrote: > > >When I use -O2 -mtune=pentium4 -ffast-math on SPEC CPU 2K on Linux/x86 > >with gcc 4.2, I get > > > >*** Miscompare of 200.s, see > >/export/spec/src/2000/spec/benchspec/CINT2000

Re: x86 -ffast-math problem on SPEC CPU 2K

2006-02-23 Thread Dale Johannesen
On Feb 23, 2006, at 8:54 AM, H. J. Lu wrote: When I use -O2 -mtune=pentium4 -ffast-math on SPEC CPU 2K on Linux/x86 with gcc 4.2, I get *** Miscompare of 200.s, see /export/spec/src/2000/spec/benchspec/CINT2000/176.gcc/run/0004/ 200.s.mis *** Miscompare of scilab.s, see /export/spec/src/