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-rw-r--r--gcc/function.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/function.c b/gcc/function.c
index eb1e14e..e878dc1 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -1922,8 +1922,9 @@ use_register_for_decl (tree decl)
if (flag_float_store && FLOAT_TYPE_P (TREE_TYPE (decl)))
return false;
- /* Compiler-generated temporaries can always go in registers. */
- if (DECL_ARTIFICIAL (decl))
+ /* If we're not interested in tracking debugging information for
+ this decl, then we can certainly put it in a register. */
+ if (DECL_IGNORED_P (decl))
return true;
return (optimize || DECL_REGISTER (decl));
@@ -2105,6 +2106,7 @@ assign_parms_augmented_arg_list (struct assign_parm_data_all *all)
decl = build_decl (PARM_DECL, NULL_TREE, type);
DECL_ARG_TYPE (decl) = type;
DECL_ARTIFICIAL (decl) = 1;
+ DECL_IGNORED_P (decl) = 1;
TREE_CHAIN (decl) = fnargs;
fnargs = decl;