gcc/gcc ChangeLog config/vax/vax.h config/vax/ ...

[danglin@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	danglin@gcc.gnu.org	2004-12-28 05:26:00

Modified files:
	gcc            : ChangeLog 
	gcc/config/vax : vax.h vax.md 

Log message:
	rtl-optimization/12863
	* config/vax/vax.h (CASE_DROPS_THROUGH): Don't define.
	* config/vax/vax.md (casesi): Emit a test-and-branch to make sure
	that the case is in range, to make sure the casesi insn is always
	in range and never falls through.
	(casesi1): Add comment to explain why casesi never falls through.
	Remove the unnamed special case casesi pattern.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.756&r2=2.2326.2.757
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/vax/vax.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.64.6.1&r2=1.64.6.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/vax/vax.md.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.25&r2=1.25.14.1