r238258 - in /branches/gcc-6-branch/gcc: Change...

[meissner@gcc.gnu.org]

Author: meissner
Date: Tue Jul 12 18:12:11 2016
New Revision: 238258

URL: https://gcc.gnu.org/viewcvs?rev=238258&root=gcc&view=rev
Log:
Backport from mainline

[gcc]
2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71805
	* config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
	The xxperm and xxpermr instructions require that the 2nd input
	operand overlap with the output operand, and not the 1st.
	(altivec_vperm_v8hiv16qi): Likewise.
	(altivec_vperm_<mode>_uns_internal): Likewise.
	(altivec_vpermr_<mode>_internal): Likewise.
	(vperm_v8hiv4si): Likewise.
	(vperm_v16qiv8hi): Likewise.

[gcc/testsuite]
2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71805
	* gcc.target/powerpc/pr71805.c: New test.


Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.target/powerpc/pr71805.c
      - copied unchanged from r238257, trunk/gcc/testsuite/gcc.target/powerpc/pr71805.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/config/rs6000/altivec.md
    branches/gcc-6-branch/gcc/testsuite/ChangeLog