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Re: ia64 flush to zero mode
On Fri, Jun 22, 2001 at 10:57:01PM +0100, Joseph S. Myers wrote:
> Can you make the documentation for these options clarify that they may
> affect linking as well as compilation, then?
How about this?
r~
Index: invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.16
diff -c -p -d -r1.16 invoke.texi
*** invoke.texi 2001/06/21 15:25:54 1.16
--- invoke.texi 2001/06/22 22:37:56
*************** sets @option{-fno-math-errno}.
*** 3373,3379 ****
@opindex funsafe-math-optimizations
Allow optimizations for floating-point arithmetic that (a) assume
that arguments and results are valid and (b) may violate IEEE or
! ANSI standards.
This option should never be turned on by any @option{-O} option since
it can result in incorrect output for programs which depend on
--- 3373,3381 ----
@opindex funsafe-math-optimizations
Allow optimizations for floating-point arithmetic that (a) assume
that arguments and results are valid and (b) may violate IEEE or
! ANSI standards. When used at link-time, it may include libraries
! or startup files that change the default FPU control word or other
! similar optimizations.
This option should never be turned on by any @option{-O} option since
it can result in incorrect output for programs which depend on