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backport: re PR c/82234 (__builtin_shuffle is not in the keyword index) 

Backported from mainline
	2017-09-18  Jakub Jelinek  <jakub@redhat.com>

	PR c/82234
	* doc/extend.texi: Add @findex entry for __builtin_shuffle.

From-SVN: r254178
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Jakub Jelinek 2017-10-27 22:32:47 +02:00 committed by Jakub Jelinek
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commit 7b3d2ce965
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@ -1,6 +1,11 @@
2017-10-27 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2017-09-18 Jakub Jelinek <jakub@redhat.com>
PR c/82234
* doc/extend.texi: Add @findex entry for __builtin_shuffle.
2017-09-15 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/82192

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gcc/doc/extend.texi
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@ -9473,6 +9473,7 @@ For mixed operations between a scalar @code{s} and a vector @code{v},
@code{s && v} is equivalent to @code{s?v!=0:0} (the evaluation is
short-circuit) and @code{v && s} is equivalent to @code{v!=0 & (s?-1:0)}.
@findex __builtin_shuffle
Vector shuffling is available using functions
@code{__builtin_shuffle (vec, mask)} and
@code{__builtin_shuffle (vec0, vec1, mask)}.