From 0ad1d5a1d2d7275611ff841ced4642ade1d2a98f Mon Sep 17 00:00:00 2001 From: Zdenek Dvorak Date: Thu, 15 Jun 2006 11:42:03 +0200 Subject: tree-ssa-loop-niter.c (implies_nonnegative_p): New function. * tree-ssa-loop-niter.c (implies_nonnegative_p): New function. (derive_constant_upper_bound): Derive more precise upper bound in common cases. Return type changed to double_int. (record_estimate): Reflect the changed return type of derive_constant_upper_bound. * double-int.c (double_int_zext, double_int_sext): Fix. * gcc.dg/tree-ssa/loop-18.c: New test. From-SVN: r114674 --- gcc/ChangeLog | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'gcc/ChangeLog') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c210afe..d404084 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2006-06-15 Zdenek Dvorak + + * tree-ssa-loop-niter.c (implies_nonnegative_p): New function. + (derive_constant_upper_bound): Derive more precise upper bound in + common cases. Return type changed to double_int. + (record_estimate): Reflect the changed return type of + derive_constant_upper_bound. + * double-int.c (double_int_zext, double_int_sext): Fix. + 2006-06-15 Paolo Bonzini * configure.ac (CFLAGS): Get them from the toplevel or from the -- cgit v1.1