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Diffstat (limited to 'gcc/doc/tm.texi')
-rw-r--r-- | gcc/doc/tm.texi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 880884f5f52..7dfb46b3a0d 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -3817,6 +3817,8 @@ registers. The value of this macro is the size, in bytes, of the area reserved for arguments passed in registers for the function represented by @var{fndecl}, which can be zero if GCC is calling a library function. +The argument @var{fndecl} can be the FUNCTION_DECL, or the type itself +of the function. This space can be allocated by the caller, or be a part of the machine-dependent stack frame: @code{OUTGOING_REG_PARM_STACK_SPACE} says |