aboutsummaryrefslogtreecommitdiff
path: root/gcc/function.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/function.c')
-rw-r--r--gcc/function.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/function.c b/gcc/function.c
index ac55f3a..3035786 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -140,12 +140,25 @@ int current_function_has_nonlocal_goto;
int current_function_contains_functions;
+/* Nonzero if function being compiled doesn't contain any calls
+ (ignoring the prologue and epilogue). This is set prior to
+ local register allocation and is valid for the remaining
+ compiler passes. */
+
+int current_function_is_leaf;
+
/* 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 function being compiled is a leaf function which only
+ uses leaf registers. This is valid after reload (specifically after
+ sched2) and is useful only if the port defines LEAF_REGISTERS. */
+
+int current_function_uses_only_leaf_regs;
+
/* Nonzero if the function being compiled issues a computed jump. */
int current_function_has_computed_jump;
@@ -5897,7 +5910,9 @@ 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_is_leaf = 0;
current_function_sp_is_unchanging = 0;
+ current_function_uses_only_leaf_regs = 0;
current_function_has_computed_jump = 0;
current_function_is_thunk = 0;