r238165 - in /branches/gcc-6-branch/gcc: Change...

[meissner@gcc.gnu.org]

Author: meissner
Date: Fri Jul  8 14:51:44 2016
New Revision: 238165

URL: https://gcc.gnu.org/viewcvs?rev=238165&root=gcc&view=rev
Log:
Back port from trunk

[gcc]
2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71806
	* config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
	enable -mfloat128-hardware by default.
	(ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
	that IEEE 128-bit hardware support needs.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): If
	-mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
	Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
	floating point requires.
	* doc/invoke.texi (RS/6000 and PowerPC Options): Document
	-mfloat128 and -mfloat128-hardware changes.

[gcc/testsuite]
2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71806
	* gcc.target/powerpc/p9-lxvx-stxvx-3.c: Add -mfloat128 option.


Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/config/rs6000/rs6000-cpus.def
    branches/gcc-6-branch/gcc/config/rs6000/rs6000.c
    branches/gcc-6-branch/gcc/doc/invoke.texi
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/gcc.target/powerpc/p9-lxvx-stxvx-3.c