diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8a15550..2ec7e6e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 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. diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 0d4185d..7129118 100644 --- a/gcc/doc/tm.texi +++ b/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 |