r222116 - in /trunk/gcc: ChangeLog config/rx/rx...

[nickc@gcc.gnu.org]

Author: nickc
Date: Wed Apr 15 07:41:07 2015
New Revision: 222116

URL: https://gcc.gnu.org/viewcvs?rev=222116&root=gcc&view=rev
Log:
	* config/rx/rx.opt (mallow-string-insns): New option.
	* config/rx/rx.c (RX_BUILTIN_RMPA): Disable the use of this
	builtin if string instructions are denied.
	* config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Define
	__RX_ALLOW_STRING_INSNS__ or __RX_DISALLOW_STRING_INSNS__, as
	appropriate.
	(ASM_SPEC): Pass -mno-allow-string-insns on to the assembler.
	* config/rx/rx.md (movstr): Enable pattern only if string
	instructions are allowed.
	(rx_movstr, rx_strend, movmemsi, rx_movmem): Likewise.
	(cmpstrnsi, cmpstrsi, rx_cmpstrn, rmpa): Likewise.
	* config/rx/t-rx (MULTILIB_OPTIONS): Add mno-allow-string-insns.
	(MULTILIB_DIRNAMES): Add no-strings.
	* doc/invoke.texi: Document -mno-allow-string-insns.

	* gcc.target/rx/builtins.c: Disable RMPA test if string
	instructions are not allowed.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rx/rx.c
    trunk/gcc/config/rx/rx.h
    trunk/gcc/config/rx/rx.md
    trunk/gcc/config/rx/rx.opt
    trunk/gcc/config/rx/t-rx
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/rx/builtins.c