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@ -182,7 +182,7 @@ make a difference.
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@cindex Haifa scheduler
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@cindex scheduler, experimental
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@item --enable-haifa
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@item --disable-haifa
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@itemx --disable-haifa
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Use @samp{--enable-haifa} to enable use of an experimental instruction
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scheduler (from IBM Haifa). This may or may not produce better code.
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Some targets on which it is known to be a win enable it by default; use
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@ -5540,8 +5540,8 @@ functions defined in the code, and makes them publicly visible.
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@cindex aliasing of parameters
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@cindex parameters, aliased
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@item -fargument-alias
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@item -fargument-noalias
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@item -fargument-noalias-global
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@itemx -fargument-noalias
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@itemx -fargument-noalias-global
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Specify the possible relationships among parameters and between
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parameters and global data.
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@ -2038,7 +2038,7 @@ between these kinds.
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@findex EXTRA_CONSTRAINT
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@item EXTRA_CONSTRAINT (@var{value}, @var{c})
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A C expression that defines the optional machine-dependent constraint
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letters (@item @samp{Q}, @samp{R}, @samp{S}, @samp{T}, @samp{U}) that can
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letters (@samp{Q}, @samp{R}, @samp{S}, @samp{T}, @samp{U}) that can
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be used to segregate specific types of operands, usually memory
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references, for the target machine. Normally this macro will not be
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defined. If it is required for a particular target machine, it should
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