[Bug tree-optimization/17343] [4.0 Regression] a dispatch table can be shortened for certain switch statements

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-10-01 15:22 -------
Subject: Bug 17343

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	pinskia@gcc.gnu.org	2004-10-01 15:22:27

Modified files:
	gcc            : ChangeLog tree-cfg.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg/tree-ssa: pr17343.c 

Log message:
	2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/17343
	* gcc.dg/tree-ssa/pr17343.c: New test.
	
	2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/17343
	* tree-cfg.c (group_case_labels): Get the label and not
	the case expr for the default case.
	When the label we looking at is the default, decrement the
	new_size.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.5711&r2=2.5712
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&r1=2.61&r2=2.62
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4367&r2=1.4368
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr17343.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17343