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Diffstat (limited to 'gcc/tm.texi')
| -rw-r--r-- | gcc/tm.texi | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/gcc/tm.texi b/gcc/tm.texi index 4474bc3b854..45d4819c2eb 100644 --- a/gcc/tm.texi +++ b/gcc/tm.texi @@ -3644,18 +3644,15 @@ not generate any instructions in this case. @findex STRICT_ARGUMENT_NAMING @item STRICT_ARGUMENT_NAMING -Define this macro to be a nonzero value if the location where a function -argument is passed depends on whether or not it is a named argument. +Define this macro if the location where a function argument is passed +depends on whether or not it is a named argument. This macro controls how the @var{named} argument to @code{FUNCTION_ARG} -is set for varargs and stdarg functions. If this macro returns a -nonzero value, the @var{named} argument is always true for named -arguments, and false for unnamed arguments. If it returns a value of -zero, but @code{SETUP_INCOMING_VARARGS} is defined, then all arguments -are treated as named. Otherwise, all named arguments except the last -are treated as named. - -You need not define this macro if it always returns zero. +is set for varargs and stdarg functions. With this macro defined, +the @var{named} argument is always true for named arguments, and false for +unnamed arguments. If this is not defined, but @code{SETUP_INCOMING_VARARGS} +is defined, then all arguments are treated as named. Otherwise, all named +arguments except the last are treated as named. @end table @node Trampolines |