r263169 - in /trunk/gcc: ChangeLog config/arm/a...

Tue Jul 31 17:35:00 GMT 2018

Author: rearnsha
Date: Tue Jul 31 17:35:41 2018
New Revision: 263169

URL: https://gcc.gnu.org/viewcvs?rev=263169&root=gcc&view=rev
Log:
Arm - add speculation_barrier pattern

This patch defines a speculation barrier for AArch32.

	* config/arm/unspecs.md (unspecv): Add VUNSPEC_SPECULATION_BARRIER.
	* config/arm/arm.md (speculation_barrier): New expand.
	(speculation_barrier_insn): New pattern.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.md
    trunk/gcc/config/arm/unspecs.md