docs: document threader-mode param

gcc/ChangeLog:

	* doc/invoke.texi: Document threader-mode param.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 65bb9981f023481dc8c6e243e00e5aee046672d0..4efc8b757ec06a82ee9900424e5f3c2231fd15e6 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -13421,6 +13421,9 @@ Setting to 0 disables the analysis completely.
 @item modref-max-escape-points
 Specifies the maximum number of escape points tracked by modref per SSA-name.
 
+@item threader-mode
+Specifies the mode the backwards threader should run in.
+
 @item profile-func-internal-id
 A parameter to control whether to use function internal id in profile
 database lookup. If the value is 0, the compiler uses an id that