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backport: re PR middle-end/38751 (odd performance regression with -Os)
authorRichard Guenther <rguenther@suse.de>
Thu, 25 Jun 2009 12:39:01 +0000 (12:39 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Thu, 25 Jun 2009 12:39:01 +0000 (12:39 +0000)
commitaa0ee8ac21c3a58966136d2f36a93914ef1590bc
treec4cefee3228a092613e717edc082a1e75ca3c91atree
parent49c1e2984d014e9e8fc5aee9c2c378bb64f57abdcommit | diff
backport: re PR middle-end/38751 (odd performance regression with -Os)

2009-06-25  Richard Guenther  <rguenther@suse.de>

Backport from mainline
2009-01-07  Richard Guenther  <rguenther@suse.de>

PR middle-end/38751
* fold-const.c (extract_muldiv): Remove obsolete comment.
(fold_plusminus_mult_expr): Undo MINUS_EXPR
to PLUS_EXPR canonicalization for the canonicalization.

From-SVN: r148943
gcc/ChangeLog diff | blob | blame | history
gcc/fold-const.c diff | blob | blame | history
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