Merge with git://www.denx.de/git/u-boot.git

1 files changed, 225 insertions, 0 deletions

diff --git a/post/lib_ppc/fpu/compare-fp-1.c b/post/lib_ppc/fpu/compare-fp-1.c
new file mode 100644
index 0000000..d866ad5
--- /dev/null
+++ b/post/lib_ppc/fpu/compare-fp-1.c
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+/*
+ * Test for correctness of composite floating-point comparisons.
+ * Written by Paolo Bonzini, 26th May 2004.
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+static int failed;
+
+#define TEST(c) if ((c) != ok) failed++
+#define ORD(a, b) (!__builtin_isunordered ((a), (b)))
+#define UNORD(a, b) (__builtin_isunordered ((a), (b)))
+#define UNEQ(a, b) (__builtin_isunordered ((a), (b)) || ((a) == (b)))
+#define UNLT(a, b) (__builtin_isunordered ((a), (b)) || ((a) < (b)))
+#define UNLE(a, b) (__builtin_isunordered ((a), (b)) || ((a) <= (b)))
+#define UNGT(a, b) (__builtin_isunordered ((a), (b)) || ((a) > (b)))
+#define UNGE(a, b) (__builtin_isunordered ((a), (b)) || ((a) >= (b)))
+#define LTGT(a, b) (__builtin_islessgreater ((a), (b)))
+
+static float pinf;
+static float ninf;
+static float NaN;
+
+static void iuneq (float x, float y, int ok)
+{
+	TEST (UNEQ (x, y));
+	TEST (!LTGT (x, y));
+	TEST (UNLE (x, y) && UNGE (x,y));
+}
+
+static void ieq (float x, float y, int ok)
+{
+	TEST (ORD (x, y) && UNEQ (x, y));
+}
+
+static void iltgt (float x, float y, int ok)
+{
+	TEST (!UNEQ (x, y)); /* Not optimizable. */
+	TEST (LTGT (x, y)); /* Same, __builtin_islessgreater does not trap. */
+	TEST (ORD (x, y) && (UNLT (x, y) || UNGT (x,y)));
+}
+
+static void ine (float x, float y, int ok)
+{
+	TEST (UNLT (x, y) || UNGT (x, y));
+}
+
+static void iunlt (float x, float y, int ok)
+{
+	TEST (UNLT (x, y));
+	TEST (UNORD (x, y) || (x < y));
+}
+
+static void ilt (float x, float y, int ok)
+{
+	TEST (ORD (x, y) && UNLT (x, y)); /* Not optimized */
+	TEST ((x <= y) && (x != y));
+	TEST ((x <= y) && (y != x));
+	TEST ((x != y) && (x <= y)); /* Not optimized */
+	TEST ((y != x) && (x <= y)); /* Not optimized */
+}
+
+static void iunle (float x, float y, int ok)
+{
+	TEST (UNLE (x, y));
+	TEST (UNORD (x, y) || (x <= y));
+}
+
+static void ile (float x, float y, int ok)
+{
+	TEST (ORD (x, y) && UNLE (x, y)); /* Not optimized */
+	TEST ((x < y) || (x == y));
+	TEST ((y > x) || (x == y));
+	TEST ((x == y) || (x < y)); /* Not optimized */
+	TEST ((y == x) || (x < y)); /* Not optimized */
+}
+
+static void iungt (float x, float y, int ok)
+{
+	TEST (UNGT (x, y));
+	TEST (UNORD (x, y) || (x > y));
+}
+
+static void igt (float x, float y, int ok)
+{
+	TEST (ORD (x, y) && UNGT (x, y)); /* Not optimized */
+	TEST ((x >= y) && (x != y));
+	TEST ((x >= y) && (y != x));
+	TEST ((x != y) && (x >= y)); /* Not optimized */
+	TEST ((y != x) && (x >= y)); /* Not optimized */
+}
+
+static void iunge (float x, float y, int ok)
+{
+	TEST (UNGE (x, y));
+	TEST (UNORD (x, y) || (x >= y));
+}
+
+static void ige (float x, float y, int ok)
+{
+	TEST (ORD (x, y) && UNGE (x, y)); /* Not optimized */
+	TEST ((x > y) || (x == y));
+	TEST ((y < x) || (x == y));
+	TEST ((x == y) || (x > y)); /* Not optimized */
+	TEST ((y == x) || (x > y)); /* Not optimized */
+}
+
+int fpu_post_test_math6 (void)
+{
+	pinf = __builtin_inf ();
+	ninf = -__builtin_inf ();
+	NaN = __builtin_nan ("");
+
+	iuneq (ninf, pinf, 0);
+	iuneq (NaN, NaN, 1);
+	iuneq (pinf, ninf, 0);
+	iuneq (1, 4, 0);
+	iuneq (3, 3, 1);
+	iuneq (5, 2, 0);
+
+	ieq (1, 4, 0);
+	ieq (3, 3, 1);
+	ieq (5, 2, 0);
+
+	iltgt (ninf, pinf, 1);
+	iltgt (NaN, NaN, 0);
+	iltgt (pinf, ninf, 1);
+	iltgt (1, 4, 1);
+	iltgt (3, 3, 0);
+	iltgt (5, 2, 1);
+
+	ine (1, 4, 1);
+	ine (3, 3, 0);
+	ine (5, 2, 1);
+
+	iunlt (NaN, ninf, 1);
+	iunlt (pinf, NaN, 1);
+	iunlt (pinf, ninf, 0);
+	iunlt (pinf, pinf, 0);
+	iunlt (ninf, ninf, 0);
+	iunlt (1, 4, 1);
+	iunlt (3, 3, 0);
+	iunlt (5, 2, 0);
+
+	ilt (1, 4, 1);
+	ilt (3, 3, 0);
+	ilt (5, 2, 0);
+
+	iunle (NaN, ninf, 1);
+	iunle (pinf, NaN, 1);
+	iunle (pinf, ninf, 0);
+	iunle (pinf, pinf, 1);
+	iunle (ninf, ninf, 1);
+	iunle (1, 4, 1);
+	iunle (3, 3, 1);
+	iunle (5, 2, 0);
+
+	ile (1, 4, 1);
+	ile (3, 3, 1);
+	ile (5, 2, 0);
+
+	iungt (NaN, ninf, 1);
+	iungt (pinf, NaN, 1);
+	iungt (pinf, ninf, 1);
+	iungt (pinf, pinf, 0);
+	iungt (ninf, ninf, 0);
+	iungt (1, 4, 0);
+	iungt (3, 3, 0);
+	iungt (5, 2, 1);
+
+	igt (1, 4, 0);
+	igt (3, 3, 0);
+	igt (5, 2, 1);
+
+	iunge (NaN, ninf, 1);
+	iunge (pinf, NaN, 1);
+	iunge (ninf, pinf, 0);
+	iunge (pinf, pinf, 1);
+	iunge (ninf, ninf, 1);
+	iunge (1, 4, 0);
+	iunge (3, 3, 1);
+	iunge (5, 2, 1);
+
+	ige (1, 4, 0);
+	ige (3, 3, 1);
+	ige (5, 2, 1);
+
+	if (failed) {
+		post_log ("Error in FPU math6 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */