From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Tue, 23 Oct 2007 21:48:57 +0000 (+0000)
Subject: Clarify a comment.
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=8002857b06a68e3caaa530fda07f2151e91956f8;p=libfirm

Clarify a comment.

[r16321]
---

diff --git a/ir/be/ia32/ia32_address_mode.c b/ir/be/ia32/ia32_address_mode.c
index 12ac64e4e..d6e4359be 100644
--- a/ir/be/ia32/ia32_address_mode.c
+++ b/ir/be/ia32/ia32_address_mode.c
@@ -351,8 +351,9 @@ void ia32_create_address_mode(ia32_address_t *addr, ir_node *node, int force)
 	}
 
 	/* starting point Add, Sub or Shl, FrameAddr */
-	if(is_Shl(node)) { /* we don't want to eat add x, x as shl here, so only
-	                      test for real Shl instructions */
+	if(is_Shl(node)) {
+		/* We don't want to eat add x, x as shl here, so only test for real Shl
+		 * instructions, because we want the former as Lea x, x, not Shl x, 1 */
 		if(eat_shl(addr, node))
 			return;
 	} else if(is_immediate(addr, node, 0)) {