Hi,
can a gatekeeper help review this patch,
This patch will allocate stack space for unused variable in -O0. It's
useful for debug-ability in -O0.
Index: osprey/be/com/data_layout.cxx
===================================================================
--- osprey/be/com/data_layout.cxx (revision 3650)
+++ osprey/be/com/data_layout.cxx (working copy)
@@ -2588,6 +2588,14 @@
Set_Error_Phase("Data Layout");
Clear_Vararg_Symbols();
+ if (Opt_Level < 1) {
+ FOREACH_SYMBOL (CURRENT_SYMTAB, st, i) {
+ if (ST_class(st) == CLASS_VAR) {
+ Allocate_Object(st);
+ }
+ }
+ }
+
For_all (Inito_Table, CURRENT_SYMTAB, finalize_inito());
/* if nested pu, then may not see reference in this pu,
@@ -3370,7 +3378,7 @@
return;
}
- if (ST_is_not_used(st)) return;
+ if (ST_is_not_used(st)&& Opt_Level >= 1) return;
if (ST_has_named_section(st)) {
// bug fix for OSP_138
--
yongchong
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