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re PR tree-optimization/15784 (fold misses binary optimization)
authorJames A. Morrison <phython@gcc.gnu.org>
Fri, 4 Mar 2005 02:48:30 +0000 (02:48 +0000)
committerJames A. Morrison <phython@gcc.gnu.org>
Fri, 4 Mar 2005 02:48:30 +0000 (02:48 +0000)
commit8d06c80914d7374d16887b0e817eadb41d898aa8
treec908d67b93dc9a831686bb43afc3806aef6fd260tree
parent3159b178b0479e9c8998982c112f486d5d28ab53commit | diff
re PR tree-optimization/15784 (fold misses binary optimization)

2005-03-03  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/15784
        * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
        and -1 - A to ~A.

From-SVN: r95870
gcc/ChangeLog diff | blob | history
gcc/fold-const.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/pr15784-4.c [new file with mode: 0644] blob