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Commit f71e957e by Dave Korn Committed by Dave Korn
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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
parent c82476bf
Showing with 9 additions and 2 deletions
gcc/ChangeLog
2007-04-02 Dave Korn <dave.korn@artimi.com>
* doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2007-04-02 Dave Korn <dave.korn@artimi.com>
* libgcc2.h (exception_descriptor): Don't forward-declare.
(__get_eh_table_language, __get_eh_table_version): Delete
prototypes of long-dead functions.
......
gcc/doc/tm.texi
......@@ -9577,8 +9577,11 @@ to @code{Pmode}.
@defmac FUNCTION_MODE
An alias for the machine mode used for memory references to functions
being called, in @code{call} RTL expressions. On most machines this
should be @code{QImode}.
being called, in @code{call} RTL expressions. On most CISC machines,
where an instruction can begin at any byte address, this should be
@code{QImode}. On most RISC machines, where all instructions have fixed
size and alignment, this should be a mode with the same size and alignment
as the machine instruction words - typically @code{SImode} or @code{HImode}.
@end defmac
@defmac STDC_0_IN_SYSTEM_HEADERS
......
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