* invoke.texi: Document __FAST_MATH__.

From-SVN: r40249

* invoke.texi: Document __FAST_MATH__.
From-SVN: r40249
d97b75be · Brad Lucier · Neil Booth · 1b5640cd · d97b75be · d97b75be
Commit d97b75be authored Mar 05, 2001 by Brad Lucier Committed by Neil Booth Mar 05, 2001
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gcc/ChangeLog
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gcc/invoke.texi
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+2001-03-05  Brad Lucier  <lucier@math.purdue.edu>
+
+	* invoke.texi: Document __FAST_MATH__.
+
 2001-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

 	* crtstuff.c: Restore include of auto-host.h.

--- a/gcc/invoke.texi
+++ b/gcc/invoke.texi
@@ -2940,6 +2940,8 @@ example, it allows the compiler to assume arguments to the @code{sqrt}
 function are non-negative numbers and that no floating-point values
 are NaNs.

+This option causes the preprocessor macro __FAST_MATH__ to be defined.
+
 This option should never be turned on by any @samp{-O} option since
 it can result in incorrect output for programs which depend on
 an exact implementation of IEEE or ISO rules/specifications for