Relax VIEW_CONVERT_EXPR - CONVERT_EXPR combination
commitac857b3d5a06585ec1bbd412190fffee2e528425
authorglisse <glisse@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 25 May 2017 08:50:54 +0000 (25 08:50 +0000)
committerglisse <glisse@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 25 May 2017 08:50:54 +0000 (25 08:50 +0000)
tree0084056ebea292b4231b2a4593846aa7b7366cc9
parent6bb32bdb3feac4fbbaef63188f8bfcecfe804da4
Relax VIEW_CONVERT_EXPR - CONVERT_EXPR combination

2017-05-25  Marc Glisse  <marc.glisse@inria.fr>

gcc/
* match.pd (view_convert (convert@0 @1)): Handle zero-extension.

gcc/testsuite/
* gcc.dg/tree-ssa/vce-1.c: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@248449 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/match.pd
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/tree-ssa/vce-1.c [new file with mode: 0644]