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-rw-r--r--gcc/params.def10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def
index d7e9bc0..ca952c1 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -68,6 +68,16 @@ DEFPARAM(PARAM_MAX_DELAY_SLOT_LIVE_SEARCH,
"The maximum number of instructions to consider to find accurate live register information",
333)
+/* This parameter limits the number of branch elements that the
+ scheduler will track anti-dependancies through without resetting
+ the tracking mechanism. Large functions with few calls or barriers
+ can generate lists containing many 1000's of dependancies. Generally
+ the compiler either uses all available memory, or runs for far too long. */
+DEFPARAM(PARAM_MAX_PENDING_LIST_LENGTH,
+ "max-pending-list-length",
+ "The maximum length of scheduling's pending operations list",
+ 32)
+
/* The GCSE optimization will be disabled if it would require
significantly more memory than this value. */
DEFPARAM(PARAM_MAX_GCSE_MEMORY,