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| author | Roger Sayle <roger@nextmovesoftware.com> | 2018-05-24 20:47:03 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2018-05-24 14:47:03 -0600 |
| commit | ba6557e2686306942b157c3350e7497e551afb80 (patch) | |
| tree | 4a8896b5cc8eb4200c03939215754c0b775e381e /README | |
| parent | 520fe2e324da4b1aa2c1fbac29741bd45afa98c1 (diff) | |
| download | gcc-ba6557e2686306942b157c3350e7497e551afb80.zip gcc-ba6557e2686306942b157c3350e7497e551afb80.tar.gz gcc-ba6557e2686306942b157c3350e7497e551afb80.tar.bz2 | |
fold-const.c (tree_nonzero_bits): New function.
* fold-const.c (tree_nonzero_bits): New function.
* fold-const.h (tree_nonzero_bits): Likewise.
* match.pd (POPCOUNT): New patterns to fold BUILTIN_POPCOUNT and
friends. POPCOUNT(x&1) => x&1, POPCOUNT(x)==0 => x==0, etc.
* gcc.dg/fold-popcount-1.c: New testcase.
* gcc.dg/fold-popcount-2.c: New testcase.
* gcc.dg/fold-popcount-3.c: New testcase.
* gcc.dg/fold-popcount-4.c: New testcase.
From-SVN: r260689
Diffstat (limited to 'README')
0 files changed, 0 insertions, 0 deletions