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invoke.texi (i386 and x86-64 Options): Two small spell fixes. 

* doc/invoke.texi (i386 and x86-64 Options) [mrecip]:
	Two small spell fixes.

From-SVN: r131414
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Uros Bizjak 2008-01-09 08:35:49 +01:00
parent 876e92ef8c
commit b73d152763
1 changed files with 2 additions and 2 deletions
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@ -10647,14 +10647,14 @@ or @code{remainder} built-in functions: see @ref{Other Builtins} for details.
@item -mrecip @item -mrecip
@opindex mrecip @opindex mrecip
This option will enable GCC to use RCPSS and RSQRTSS instructions (and their This option will enable GCC to use RCPSS and RSQRTSS instructions (and their
vectorized variants RCPPS and RSQRTPS) with additional Newton-Rhapson step vectorized variants RCPPS and RSQRTPS) with an additional Newton-Rhapson step
to increase precision instead of DIVSS and SQRTSS (and their vectorized to increase precision instead of DIVSS and SQRTSS (and their vectorized
variants) for single precision floating point arguments. These instructions variants) for single precision floating point arguments. These instructions
are generated only when @option{-funsafe-math-optimizations} is enabled are generated only when @option{-funsafe-math-optimizations} is enabled
together with @option{-finite-math-only} and @option{-fno-trapping-math}. together with @option{-finite-math-only} and @option{-fno-trapping-math}.
Note that while the throughput of the sequence is higher than the throughput Note that while the throughput of the sequence is higher than the throughput
of the non-reciprocal instruction, the precision of the sequence can be of the non-reciprocal instruction, the precision of the sequence can be
decreased up to 2 ulp (i.e. the inverse of 1.0 equals 0.99999994). decreased by up to 2 ulp (i.e. the inverse of 1.0 equals 0.99999994).
@item -mveclibabi=@var{type} @item -mveclibabi=@var{type}
@opindex mveclibabi @opindex mveclibabi