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riscv-gcc-1
Commit d97b75be by Brad Lucier Committed by Neil Booth
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* invoke.texi: Document __FAST_MATH__. 

From-SVN: r40249
parent 1b5640cd
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gcc/ChangeLog
2001-03-05 Brad Lucier <lucier@math.purdue.edu>
* invoke.texi: Document __FAST_MATH__.
2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* crtstuff.c: Restore include of auto-host.h. * crtstuff.c: Restore include of auto-host.h.
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gcc/invoke.texi
...@@ -2940,6 +2940,8 @@ example, it allows the compiler to assume arguments to the @code{sqrt} ...@@ -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 function are non-negative numbers and that no floating-point values
are NaNs. 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 This option should never be turned on by any @samp{-O} option since
it can result in incorrect output for programs which depend on it can result in incorrect output for programs which depend on
an exact implementation of IEEE or ISO rules/specifications for an exact implementation of IEEE or ISO rules/specifications for
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