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r120978 - in /trunk/gcc: ChangeLog common.opt d...


Author: sayle
Date: Fri Jan 19 19:35:22 2007
New Revision: 120978

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=120978
Log:

	* common.opt (fsigned-zeros): New command line option.
	* flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
	of flag_unsafe_math_optimizations.
	* opts.c (set_fast_math_flags): The -ffast-math command line option
	implies -fno-signed-zeros.
	(fast_math_flags_set_p): Likewise.

	* doc/invoke.texi: Document new -fno-signed-zeros option, and update
	the documentation of -ffast-math appropriately.  Wrap long lines.

	* gcc.dg/pr30172-1.c: Specify the -fno-signed-zeros command line
	option instead of -funsafe-math-optimizations.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/common.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/flags.h
    trunk/gcc/opts.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/pr30172-1.c


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