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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Tue, 21 May 2019 12:01:00 +0000 (12:01 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Tue, 21 May 2019 12:01:00 +0000 (12:01 +0000)
commit	a25cdd8a68c3e53818b934e492120e468b7e7ed4
tree	d44631d84c87d1c813dd1788c15ca29337dbdf91	tree
parent	174c89f8651876c76ef93592610bfd4e7f17a0ac	commit \| diff

2019-05-21 Richard Biener <rguenther@suse.de>

PR middle-end/90510
* fold-const.c (fold_read_from_vector): New function.
* fold-const.h (fold_read_from_vector): Declare.
* match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
single-element insert permutations. Canonicalize selector
further and fix issue with last commit.

* gcc.target/i386/pr90510.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271463 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/fold-const.c		diff \| blob \| blame \| history
gcc/fold-const.h		diff \| blob \| blame \| history
gcc/match.pd		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.target/i386/pr90510.c	[new file with mode: 0644]	blob

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