| commit | d1f6ca14093c960f3df650f4be9398744e13db8b | |
| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 24 May 2018 20:47:03 +0000 (24 20:47 +0000) | ||
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 24 May 2018 20:47:03 +0000 (24 20:47 +0000) | ||
| tree | 4a8896b5cc8eb4200c03939215754c0b775e381e | treesnapshot (tar.gz zip) |
| parent | 4d5038dd20f2f57b520035242dbb0fcad598c4c6 | commitdiff |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260689 138bc75d-0d04-0410-961f-82ee72b054a4
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260689 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/fold-const.c | diffblobblamehistory | |
| gcc/fold-const.h | diffblobblamehistory | |
| gcc/match.pd | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/fold-popcount-1.c | [new file with mode: 0644] | blob |
| gcc/testsuite/gcc.dg/fold-popcount-2.c | [new file with mode: 0644] | blob |
| gcc/testsuite/gcc.dg/fold-popcount-3.c | [new file with mode: 0644] | blob |
| gcc/testsuite/gcc.dg/fold-popcount-4.c | [new file with mode: 0644] | blob |