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gcc/gcc ChangeLog builtins.def builtins.c doc/ ...


CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2004-02-01 14:59:16

Modified files:
	gcc            : ChangeLog builtins.def builtins.c 
	gcc/doc        : extend.texi 
	gcc/testsuite  : ChangeLog 
	gcc/testsuite/gcc.dg: builtins-1.c 
Added files:
	gcc/testsuite/gcc.dg: builtins-31.c builtins-32.c 

Log message:
	* builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
	BUILT_IN_SIGNBITL): New GCC builtins.
	* builtins.c (expand_builtin_signbit): New function to RTL expand
	calls to signbit, signbitf and signbitl as inline intrinsics.
	(expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
	(fold_builtin_signbit): New function to perform constant folding
	of signbit, signbitf and signbitl.
	(fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.
	
	* doc/extend.texi: Document new signbit{,f,l} builtins.
	
	* gcc.dg/builtins-1.c: Also test for __builtin_signbit{,f,l}.
	* gcc.dg/builtins-31.c: New testcase.
	* gcc.dg/builtins-32.c: New testcase.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.2594&r2=2.2595
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/builtins.def.diff?cvsroot=gcc&r1=1.74&r2=1.75
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/builtins.c.diff?cvsroot=gcc&r1=1.278&r2=1.279
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/extend.texi.diff?cvsroot=gcc&r1=1.182&r2=1.183
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3447&r2=1.3448
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/builtins-31.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/builtins-32.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/builtins-1.c.diff?cvsroot=gcc&r1=1.8&r2=1.9


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