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re PR tree-optimization/14846 ([tree-ssa] don't use a shift in A & CST_POWER_OF_2...
authorKazu Hirata <kazu@cs.umass.edu>
Thu, 21 Apr 2005 00:39:22 +0000 (00:39 +0000)
committerKazu Hirata <kazu@gcc.gnu.org>
Thu, 21 Apr 2005 00:39:22 +0000 (00:39 +0000)
commita94400fda31e4ac6cfa897141a4d14321fdb5fed
tree7f6dbf48062abdd588564dcc5342bfd66ed62f54tree
parentfcda200251c29f9c6c574b9b1db0523021df9578commit | diff
re PR tree-optimization/14846 ([tree-ssa] don't use a shift in A & CST_POWER_OF_2 == 0 until very late in tree-ssa optimizations)

PR tree-optimization/14846
* fold-const.c (fold_single_bit_test_into_sign_test): New,
split out from ...
(fold_single_bit_test): ... here.
(fold_binary): Call fold_single_bit_test_into_sign_test
instead of fold_single_bit_test.

From-SVN: r98482
gcc/ChangeLog diff | blob | history
gcc/fold-const.c diff | blob | history