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-rw-r--r--gcc/reg-notes.def4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def
index 943eff4..a542990 100644
--- a/gcc/reg-notes.def
+++ b/gcc/reg-notes.def
@@ -224,6 +224,10 @@ REG_NOTE (ARGS_SIZE)
pseudo reg. */
REG_NOTE (RETURNED)
+/* Indicates the instruction is a stack check probe that should not
+ be combined with other stack adjustments. */
+REG_NOTE (STACK_CHECK)
+
/* Used to mark a call with the function decl called by the call.
The decl might not be available in the call due to splitting of the call
insn. This note is a SYMBOL_REF. */