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-rw-r--r--gcc/function.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/function.c b/gcc/function.c
index 4645f5a..48018cf 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -138,6 +138,12 @@ int current_function_has_computed_jump;
int current_function_contains_functions;
+/* Nonzero if function being compiled doesn't modify the stack pointer
+ (ignoring the prologue and epilogue). This is only valid after
+ life_analysis has run. */
+
+int current_function_sp_is_unchanging;
+
/* Nonzero if the current function is a thunk (a lightweight function that
just adjusts one of its arguments and forwards to another function), so
we should try to cut corners where we can. */
@@ -5426,6 +5432,7 @@ init_function_start (subr, filename, line)
current_function_has_nonlocal_label = 0;
current_function_has_nonlocal_goto = 0;
current_function_contains_functions = 0;
+ current_function_sp_is_unchanging = 0;
current_function_is_thunk = 0;
current_function_returns_pcc_struct = 0;