[Bug middle-end/19953] Special-case real + complex arithmetic operation (-ffast-math)

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-02-24 20:00 -------
Subject: Bug 19953

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2005-02-24 20:00:09

Modified files:
	gcc            : ChangeLog builtins.c fold-const.c tree.h 
Added files:
	gcc/testsuite/gcc.dg/tree-ssa: complex-1.c complex-2.c 

Log message:
	PR middle-end/19953
	* builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
	(fold_builtin_1): Call them.
	* fold-const.c (fold_complex_mult_parts): Split out from ...
	(fold_complex_mult): ... here.  Fix typo in both imaginary case.
	(fold_complex_div_parts, fold_complex_div): New.
	(fold): Use them.
	* tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7581&r2=2.7582
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/builtins.c.diff?cvsroot=gcc&r1=1.425&r2=1.426
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.516&r2=1.517
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.h.diff?cvsroot=gcc&r1=1.692&r2=1.693
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/complex-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/complex-2.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19953