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-rw-r--r--gcc/sched-int.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/sched-int.h b/gcc/sched-int.h
index 97b7d2d..32a9db9 100644
--- a/gcc/sched-int.h
+++ b/gcc/sched-int.h
@@ -471,7 +471,9 @@ public:
/* An INSN_LIST containing all insns with pending read operations. */
rtx_insn_list *pending_read_insns;
- /* An EXPR_LIST containing all MEM rtx's which are pending reads. */
+ /* An EXPR_LIST containing all MEM rtx's which are pending reads. The list
+ can contain stack pointer instead of memory. This is a special case (see
+ sched-deps.cc::sched_analyze_1). */
rtx_expr_list *pending_read_mems;
/* An INSN_LIST containing all insns with pending write operations. */