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re PR rtl-optimization/20376 (The missed-optimization of general induction variables...
authorZdenek Dvorak <dvorakz@suse.cz>
Wed, 13 Jul 2005 09:38:44 +0000 (11:38 +0200)
committerZdenek Dvorak <rakdver@gcc.gnu.org>
Wed, 13 Jul 2005 09:38:44 +0000 (09:38 +0000)
commit7869fe47b3a1b1ea8ecc628860c4996bb5857f37
tree46cadb0d2b158517b4c06e56835052187efbef3ctree
parentfe83f5439acb1ce8d12d46e991e88aecf5d7c6dccommit | diff
re PR rtl-optimization/20376 (The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.)

PR rtl-optimization/20376
* toplev.c (process_options): Enable -fweb and -frename-registers when
unrolling.
* doc/invoke.texi: Update the information about when -fweb and
-frename-registers are enabled.

From-SVN: r101961
gcc/ChangeLog diff | blob | history
gcc/doc/invoke.texi diff | blob | history
gcc/toplev.c diff | blob | history