r123137 - in /trunk/gcc: ChangeLog c-lex.c real...

[manu@gcc.gnu.org]

Author: manu
Date: Thu Mar 22 23:04:24 2007
New Revision: 123137

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123137
Log:
2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR other/23572
	* c-lex.c (interpret_float): On overflow, emit pedantic warning if
	infinities not supported, otherwise emit warning if -Woverflow. On
	underflow, emit warning if -Woverflow.
	* real.c (real_from_string): Return -1 if underflow, +1 if overflow
	and 0 otherwise.
	* real.h (real_from_string): Update declaration
testsuite/
	* gcc.dg/float-range-4.c: New.
	* gcc.dg/float-range-1.c: Update. Test for a warning.
	* gcc.dg/float-range-3.c: New.
	* gcc.dg/float-range-5.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/float-range-3.c
    trunk/gcc/testsuite/gcc.dg/float-range-4.c
    trunk/gcc/testsuite/gcc.dg/float-range-5.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-lex.c
    trunk/gcc/real.c
    trunk/gcc/real.h
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/float-range-1.c