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tweak ARG_POINTER_CFA_OFFSET docs

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From-SVN: r32760
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Jason Merrill 2000-03-27 00:58:16 -05:00
parent 17aec3eb3b
commit 208e52d998
1 changed files with 4 additions and 2 deletions
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6
gcc/tm.texi
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@ -2316,9 +2316,11 @@ during virtual register instantiation.
The default value for this macro is @code{FIRST_PARM_OFFSET (fundecl)},
which is correct for most machines; in general, the arguments are found
immediately before the stack frame. See @file{function.c} for details.
immediately before the stack frame. Note that this is not the case on
some targets that save registers into the caller's frame, such as SPARC
and rs6000, and so such targets need to define this macro.
You only need to define this macro if this default is incorrect, and you
You only need to define this macro if the default is incorrect, and you
want to support call frame debugging information like that provided by
DWARF 2.