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r232819 - in /trunk/gcc: ChangeLog combine.c do...
- From: jakub at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 26 Jan 2016 11:12:03 -0000
- Subject: r232819 - in /trunk/gcc: ChangeLog combine.c do...
Author: jakub
Date: Tue Jan 26 11:12:03 2016
New Revision: 232819
URL: https://gcc.gnu.org/viewcvs?rev=232819&root=gcc&view=rev
Log:
PR target/69442
* combine.c (combine_instructions): For REG_EQUAL note with
SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
to the underlying register.
* doc/rtl.texi (REG_EQUAL): Document the behavior of
REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
* gcc.dg/pr69442.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr69442.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/combine.c
trunk/gcc/doc/rtl.texi
trunk/gcc/testsuite/ChangeLog