gcc/gcc ChangeLog target.h target-def.h toplev ...

[rsandifo@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rsandifo@gcc.gnu.org	2005-05-31 15:51:44

Modified files:
	gcc            : ChangeLog target.h target-def.h toplev.c 
	gcc/doc        : tm.texi 
	gcc/config/sh  : sh.c 

Log message:
	* doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
	the documentation to make it more future-proof.
	(TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
	* target.h (gcc_target): Add check_pch_target_flags.
	* target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
	(TARGET_INITIALIZER): Include it.
	* toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
	* config/sh/sh.h (sh_pch_valid_p): Delete.
	* config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
	(sh_check_pch_target_flags): New function.
	(TARGET_CHECK_PCH_TARGET_FLAGS): Override default.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8953&r2=2.8954
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/target.h.diff?cvsroot=gcc&r1=1.134&r2=1.135
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/target-def.h.diff?cvsroot=gcc&r1=1.122&r2=1.123
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&r1=1.955&r2=1.956
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/tm.texi.diff?cvsroot=gcc&r1=1.429&r2=1.430
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh.c.diff?cvsroot=gcc&r1=1.329&r2=1.330