tm.texi (FUNCTION_MODE): Update and extend documentation.
2007-04-02 Dave Korn <dave.korn@artimi.com> * doc/tm.texi (FUNCTION_MODE): Update and extend documentation. From-SVN: r123419
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2007-04-02 Dave Korn <dave.korn@artimi.com>
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* doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
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2007-04-02 Dave Korn <dave.korn@artimi.com>
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* libgcc2.h (exception_descriptor): Don't forward-declare.
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@ -9577,8 +9577,11 @@ to @code{Pmode}.
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@defmac FUNCTION_MODE
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An alias for the machine mode used for memory references to functions
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being called, in @code{call} RTL expressions. On most machines this
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should be @code{QImode}.
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being called, in @code{call} RTL expressions. On most CISC machines,
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where an instruction can begin at any byte address, this should be
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@code{QImode}. On most RISC machines, where all instructions have fixed
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size and alignment, this should be a mode with the same size and alignment
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as the machine instruction words - typically @code{SImode} or @code{HImode}.
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@end defmac
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@defmac STDC_0_IN_SYSTEM_HEADERS
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