r222657 - in /trunk/gcc/go: ChangeLog go-gcc.cc...

[ian@gcc.gnu.org]

Author: ian
Date: Thu Apr 30 20:44:03 2015
New Revision: 222657

URL: https://gcc.gnu.org/viewcvs?rev=222657&root=gcc&view=rev
Log:
compiler: Use backend interface for stack allocation.

Stack allocation was being done by making a temporary variable and
taking its address.  This does not work when allocating in a loop
because every allocated variable will refer to the same address.
The backend now provides a way to safely allocate in a loop.

	* go-gcc.cc (Gcc_backend::stack_allocation_expression): New
	method.

Modified:
    trunk/gcc/go/ChangeLog
    trunk/gcc/go/go-gcc.cc
    trunk/gcc/go/gofrontend/backend.h
    trunk/gcc/go/gofrontend/expressions.cc
    trunk/gcc/go/gofrontend/expressions.h