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author	Uros Bizjak <uros@gcc.gnu.org>
	Thu, 18 Sep 2008 10:17:42 +0000 (12:17 +0200)
committer	Uros Bizjak <uros@gcc.gnu.org>
	Thu, 18 Sep 2008 10:17:42 +0000 (12:17 +0200)
commit	02bb8bce3b2320851f33ea3ab5fae6f575878670
tree	d51fb55aa9413a7aeb275dc45346fdedf41db963	tree
parent	d9e74dfcc1f54a2b34fa12468cc3ca884058a6f1	commit \| diff

re PR rtl-optimization/37544 (Conversion double -> unsigned long long -> unsigned -> double gives wrong results)

PR rtl-optimization/37544
* regrename.c (maybe_mode_change): Exit early when copy_mode
is narrower than orig_mode and narrower than new_mode.

testsuite/ChangeLog:

PR rtl-optimization/37544
* gcc.dg/pr37544.c: New test.

From-SVN: r140446

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/regrename.c		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/pr37544.c	[new file with mode: 0644]	blob

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