r234884 - in /trunk: gcc/ChangeLog gcc/config/r...

[meissner@gcc.gnu.org]

Author: meissner
Date: Mon Apr 11 19:45:35 2016
New Revision: 234884

URL: https://gcc.gnu.org/viewcvs?rev=234884&root=gcc&view=rev
Log:
[gcc]
2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/70381
	* config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
	target attribute and pragma from changing the -mfloat128
	and -mfloat128-hardware options.

	* doc/extend.texi (Additional Floating Types): Document PowerPC
	__float128 restrictions.

[libgcc]
2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/70381
	* configure.ac (powerpc*-*-linux*): Rework tests to build
	__float128 emulation routines to not depend on using #pragma GCC
	target to enable -mfloat128.
	* configure: Regnerate.

[gcc/testsuite]
2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/70381
	* gcc.target/powerpc/float128-1.c: New tests to make sure the
	__float128 emulator is built and runs.
	* gcc.target/powerpc/float128-1.c: Likewise.

	* lib/target-supports.exp (check_ppc_float128_sw_available):
	Rework tests for __float128 software and hardware
	availability. Fix exit condition to return 0 on success.


Added:
    trunk/gcc/testsuite/gcc.target/powerpc/float128-1.c
    trunk/gcc/testsuite/gcc.target/powerpc/float128-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/doc/extend.texi
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/lib/target-supports.exp
    trunk/libgcc/ChangeLog
    trunk/libgcc/configure
    trunk/libgcc/configure.ac