From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Wed, 31 Oct 2007 17:05:06 +0000 (+0000)
Subject: tarval_is_minus_one() added
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=b404d6ea8ee8c4209bdda442bc02001a830330c2;p=libfirm

tarval_is_minus_one() added

[r16397]
---

diff --git a/ir/tv/tv.c b/ir/tv/tv.c
index e4e37da20..09c8de68f 100644
--- a/ir/tv/tv.c
+++ b/ir/tv/tv.c
@@ -761,6 +761,15 @@ int tarval_is_all_one(tarval *tv) {
 		tv == get_mode_all_one(get_tarval_mode(tv));
 }
 
+/*
+ * test if one, 1 means 'yes'
+ */
+int tarval_is_minus_one(tarval *a) {
+	return
+		a != tarval_bad &&
+		a == get_tarval_minus_one(get_tarval_mode(a));
+}
+
 /*
  * comparison
  */