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author	Zdenek Dvorak <dvorakz@suse.cz>
	Thu, 7 Oct 2004 06:20:34 +0000 (08:20 +0200)
committer	Zdenek Dvorak <rakdver@gcc.gnu.org>
	Thu, 7 Oct 2004 06:20:34 +0000 (06:20 +0000)
commit	a82bbcbbbe6078e451d46cd4b2387894e1677f01
tree	efc9e42c4cc8b306c06213b3eb2b7863c35140d8	tree
parent	1313b31fbb9a19ded4de32ae8c8b5fdf5747cc15	commit \| diff

re PR rtl-optimization/17791 (doloop can produce wrong code causes Ada bootstrap failure)

PR rtl-optimization/17791
* loop-doloop.c (doloop_modify): Take number of iterations as
argument.
(doloop_optimize): Extend or shorten the number of iterations
when changing mode of counter register.
* loop-iv.c (lowpart_subreg): Export.
* rtl.h (lowpart_subreg): Declare.

From-SVN: r88668

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/loop-doloop.c		diff \| blob \| blame \| history
gcc/loop-iv.c		diff \| blob \| blame \| history
gcc/rtl.h		diff \| blob \| blame \| history

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