r256557 - in /trunk/gcc: ChangeLog config/rs600...

[wschmidt@gcc.gnu.org]

Author: wschmidt
Date: Thu Jan 11 22:32:41 2018
New Revision: 256557

URL: https://gcc.gnu.org/viewcvs?rev=256557&root=gcc&view=rev
Log:
[gcc]

2018-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000-builtin.def (BU_P7_MISC_X): New #define.
	(SPEC_BARRIER): New instantiation of BU_P7_MISC_X.
	* config/rs6000/rs6000.c (rs6000_expand_builtin): Handle
	MISC_BUILTIN_SPEC_BARRIER.
	(rs6000_init_builtins): Likewise.
	* config/rs6000/rs6000.md (UNSPECV_SPEC_BARRIER): New UNSPECV
	enum value.
	(speculation_barrier): New define_insn.
	* doc/extend.texi: Document __builtin_speculation_barrier.

[gcc/testsuite]

2018-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/spec-barr-1.c: New file.


Added:
    trunk/gcc/testsuite/gcc.target/powerpc/spec-barr-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000-builtin.def
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/config/rs6000/rs6000.md
    trunk/gcc/doc/extend.texi
    trunk/gcc/testsuite/ChangeLog