r256627 - in /trunk/gcc: ChangeLog expr.c gimpl...

[rsandifo@gcc.gnu.org]

Author: rsandifo
Date: Sat Jan 13 17:59:08 2018
New Revision: 256627

URL: https://gcc.gnu.org/viewcvs?rev=256627&root=gcc&view=rev
Log:
Allow ADDR_EXPRs of TARGET_MEM_REFs

This patch allows ADDR_EXPR <TARGET_MEM_REF ...>, which is useful
when calling internal functions that take pointers to memory that
is conditionally loaded or stored.  This is a prerequisite to the
following ivopts patch.

2018-01-13  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

gcc/
	* expr.c (expand_expr_addr_expr_1): Handle ADDR_EXPRs of
	TARGET_MEM_REFs.
	* gimple-expr.h (is_gimple_addressable: Likewise.
	* gimple-expr.c (is_gimple_address): Likewise.
	* internal-fn.c (expand_call_mem_ref): New function.
	(expand_mask_load_optab_fn): Use it.
	(expand_mask_store_optab_fn): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c
    trunk/gcc/gimple-expr.c
    trunk/gcc/gimple-expr.h
    trunk/gcc/internal-fn.c