I saw this on gcc devel ML: ------------ On Thu, 23 Apr 2009, David Ronis wrote: > >From the info pages it seems that the new optimizations, > -floop-interchange, -floop-strip-mine, and -floop-block, are NOT turned > on when -O3 is specified. Is this correct and if so, why aren't they? Because the behavior of -O3 must not depend on whether optional libraries are linked into GCC, and we did not decide to make PPL and CLooG required to build GCC, so -O3 cannot enable any optimizations using optional libraries. Joseph S. Myers joseph@xxxxxxxxxxxxxxxx ------------- Does our gcc-4.4 have these optional libs? -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
