From 6a78eaa3e613a48336cdfc9f153bc05be14d436e Mon Sep 17 00:00:00 2001
From: Jan Hubicka <jh@suse.cz>
Date: Sun, 14 Sep 2008 19:05:39 +0200
Subject: invoke.texi (-fconserve-stack): Document.

	* invoke.texi (-fconserve-stack): Document.
	* opts.c (decode_options): Handle conserve_stack.
	* common.opt (fconvserve_stack): New.

From-SVN: r140362
---
 gcc/opts.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'gcc/opts.c')

diff --git a/gcc/opts.c b/gcc/opts.c
index 5e97bdd..b45c0c5 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1112,6 +1112,14 @@ decode_options (unsigned int argc, const char **argv)
       optimization_current_node = optimization_default_node;
       first_time_p = false;
     }
+  if (flag_conserve_stack)
+    {
+      if (!PARAM_SET_P (PARAM_LARGE_STACK_FRAME))
+        PARAM_VALUE (PARAM_LARGE_STACK_FRAME) = 100;
+      if (!PARAM_SET_P (PARAM_STACK_FRAME_GROWTH))
+        PARAM_VALUE (PARAM_STACK_FRAME_GROWTH) = 40;
+    }
+
 }
 
 #define LEFT_COLUMN	27
-- 
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