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r251437 - in /branches/gcc-6-branch/gcc: Change...


Author: meissner
Date: Tue Aug 29 21:06:21 2017
New Revision: 251437

URL: https://gcc.gnu.org/viewcvs?rev=251437&root=gcc&view=rev
Log:
<add missing ChangeLogs>

[gcc]
2017-07-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81193
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
	provides the hardware capability bits, define the macro
	__BUILTIN_CPU_SUPPORTS__.
	* config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
	if GLIBC does not provide the hardware capability bits.  Add a
	gcc_unreachable call if the built-in cpu function is neither
	__builtin_cpu_is nor __builtin_cpu_supports.
	* doc/extend.texi (PowerPC built-in functions): Document that
	GLIBC 2.23 or newer is needed by __builtin_cpu_is and
	__builtin_cpu_supports.  Document the macros defined by GCC if the
	newer GLIBC is available.

[gcc/testsuite]
2017-07-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81193
	* lib/target-supports.exp
	(check_ppc_cpu_supports_hw_available): New test to make sure
	__builtin_cpu_supports works on power7 and newer.

	Back port from trunk
	2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81193
	* gcc.target/powerpc/cpu-builtin-1.c: Add guard against using
	__builtin_cpu_supports with old GLIBC's.


Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/ChangeLog


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