[Bug middle-end/19551] [3.4/4.0 Regression] pure (complex types) function call removed as dead (LAPACK routine claic1.f bug)

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-01-24 09:11 -------
Subject: Bug 19551

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	jakub@gcc.gnu.org	2005-01-24 09:10:53

Modified files:
	gcc            : ChangeLog flow.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/execute: 20050121-1.c 

Log message:
	* flow.c (propagate_one_insn): Formatting.
	
	PR middle-end/19551
	* flow.c (libcall_dead_p): Be more conservative if unsure.
	If there are any instructions between insn and call, see if they are
	all dead before saying the libcall is dead.
	
	* gcc.c-torture/execute/20050121-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.780&r2=2.2326.2.781
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.572.4.3&r2=1.572.4.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3389.2.351&r2=1.3389.2.352
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050121-1.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19551