On Mon, 25 Jul 2011, H.J. Lu wrote: > On Fri, Jul 22, 2011 at 2:13 AM, Richard Guenther <rguent...@suse.de> wrote: > > On Fri, 22 Jul 2011, Richard Guenther wrote: > > > >> On Thu, 21 Jul 2011, Joseph S. Myers wrote: > >> > >> > On Thu, 21 Jul 2011, Richard Guenther wrote: > >> > > >> > > Patch also handling wider modes and not starting with SImode but > >> > > the mode of int: > >> > > >> > Use of target int for anything not about C ABIs is certainly wrong. This > >> > might be about what operations the target does efficiently, or what > >> > functions are present in libgcc (both of which would be functions of > >> > machine modes), but it's not about the choice of C int. > >> > >> Ok. Given rths last suggestion I'm testing the following which > >> checks all integer modes (but never will widen - optabs.c will do > >> that if it turns out to be profitable). > > > > Err, I should refresh the patch before sending it ... here it goes. > > > > Richard. > > > > 2011-07-22 Richard Guenther <rguent...@suse.de> > > > > PR tree-optimization/49715 > > * tree-vrp.c: Include expr.h and optabs.h. > > (simplify_float_conversion_using_ranges): New function. > > (simplify_stmt_using_ranges): Call it. > > * Makefile.in (tree-vrp.o): Add $(EXPR_H) and $(OPTABS_H) > > dependencies. > > * optabs.c (can_float_p): Export. > > * optabs.h (can_float_p): Declare. > > > > * gcc.target/i386/pr49715-1.c: New testcase. > > * gcc.target/i386/pr49715-2.c: Likewise. > > > > I think this caused: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49840
I didn't see those with -m32 on x86_64. Would we expect these to only show up on a host i?86 machine? Richard.
