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authorRichard Henderson <rth@redhat.com>2001-10-11 10:46:53 -0700
committerRichard Henderson <rth@gcc.gnu.org>2001-10-11 10:46:53 -0700
commit8063ddcf237c3bb42fc0b09d19dad816d0dc0b28 (patch)
treee3d1221dd3890e45b2570a9d103eda4dfa333f05
parent0faae2f5222db231c1287c1dda3499e88a29946d (diff)
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dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look for a DECL_INITIAL.
* dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look for a DECL_INITIAL. From-SVN: r46193
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/dwarf2out.c10
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 71aa87c..7d8a498 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-10-11 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look
+ for a DECL_INITIAL.
+
2001-10-11 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/xcoff.h (UNALIGNED_DOUBLE_INT_ASM_OP): Only
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index e8a5f18..275e5b4 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -8567,6 +8567,16 @@ rtl_for_decl_location (decl)
#endif
}
+ /* A variable with no DECL_RTL but a DECL_INITIAL is a compile-time
+ constant, and will have been substituted directly into all
+ expressions that use it. C does not have such a concept, but
+ C++ and other languages do. */
+ else if (DECL_INITIAL (decl))
+ {
+ rtl = expand_expr (DECL_INITIAL (decl), NULL_RTX, VOIDmode,
+ EXPAND_INITIALIZER);
+ }
+
return rtl;
}