aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJason Merrill <jason@gcc.gnu.org>2000-03-27 00:58:16 -0500
committerJason Merrill <jason@gcc.gnu.org>2000-03-27 00:58:16 -0500
commit208e52d998378776d5dd365e3e9d7b058325516b (patch)
tree0e9e6b8f34614ab49b5626e869ff07ffedacf72f
parent17aec3eb3b5042c4386627faa6a0384505454943 (diff)
downloadgcc-208e52d998378776d5dd365e3e9d7b058325516b.zip
gcc-208e52d998378776d5dd365e3e9d7b058325516b.tar.gz
gcc-208e52d998378776d5dd365e3e9d7b058325516b.tar.bz2
tweak ARG_POINTER_CFA_OFFSET docs
From-SVN: r32760
-rw-r--r--gcc/tm.texi6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tm.texi b/gcc/tm.texi
index 1a1396f..803e014 100644
--- a/gcc/tm.texi
+++ b/gcc/tm.texi
@@ -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.