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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2006-06-15 11:42:03 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2006-06-15 09:42:03 +0000 |
| commit | 0ad1d5a1d2d7275611ff841ced4642ade1d2a98f (patch) | |
| tree | 85c42d4a341bc337e0b43abae07320d96c49e60f /gcc/ChangeLog | |
| parent | ec6c73926468e6de525d3be6810508990959c2b8 (diff) | |
| download | gcc-0ad1d5a1d2d7275611ff841ced4642ade1d2a98f.zip gcc-0ad1d5a1d2d7275611ff841ced4642ade1d2a98f.tar.gz gcc-0ad1d5a1d2d7275611ff841ced4642ade1d2a98f.tar.bz2 | |
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
Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 9 |
1 files changed, 9 insertions, 0 deletions
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 <dvorakz@suse.cz> + + * 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 <bonzini@gnu.org> * configure.ac (CFLAGS): Get them from the toplevel or from the |