r251445 - in /branches/gcc-7-branch/gcc: Change...

[meissner@gcc.gnu.org]

Author: meissner
Date: Wed Aug 30 01:12:21 2017
New Revision: 251445

URL: https://gcc.gnu.org/viewcvs?rev=251445&root=gcc&view=rev
Log:
[gcc]
2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81593
	* config/rs6000/vsx.md (vsx_concat_<mode>_1): New combiner insns
	to recognize inserting into a vector from a double word element
	that was extracted from another vector, and eliminate extra
	XXPERMDI instructions.
	(vsx_concat_<mode>_2): Likewise.
	(vsx_concat_<mode>_3): Likewise.
	(vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
	concat to allow optimizing inserts from previous extracts.

[gcc/testsuite]
2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81593
	* gcc.target/powerpc/vec-setup.h: New tests to test various
	combinations of setting up vectors of 2 double word elements.
	* gcc.target/powerpc/vec-setup-long.c: Likewise.
	* gcc.target/powerpc/vec-setup-double.c: Likewise.
	* gcc.target/powerpc/vec-setup-be-long.c: Likewise.
	* gcc.target/powerpc/vec-setup-be-double.c: Likewise.


Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.target/powerpc/vec-setup-be-double.c
      - copied unchanged from r251429, trunk/gcc/testsuite/gcc.target/powerpc/vec-setup-be-double.c
    branches/gcc-7-branch/gcc/testsuite/gcc.target/powerpc/vec-setup-be-long.c
      - copied unchanged from r251429, trunk/gcc/testsuite/gcc.target/powerpc/vec-setup-be-long.c
    branches/gcc-7-branch/gcc/testsuite/gcc.target/powerpc/vec-setup-double.c
      - copied unchanged from r251429, trunk/gcc/testsuite/gcc.target/powerpc/vec-setup-double.c
    branches/gcc-7-branch/gcc/testsuite/gcc.target/powerpc/vec-setup-long.c
      - copied unchanged from r251429, trunk/gcc/testsuite/gcc.target/powerpc/vec-setup-long.c
    branches/gcc-7-branch/gcc/testsuite/gcc.target/powerpc/vec-setup.h
      - copied unchanged from r251429, trunk/gcc/testsuite/gcc.target/powerpc/vec-setup.h
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/config/rs6000/vsx.md
    branches/gcc-7-branch/gcc/testsuite/ChangeLog