Merge commit 'upstream/master'

12 files changed, 768 insertions, 4 deletions

diff --git a/post/lib_ppc/Makefile b/post/lib_ppc/Makefile
index 14354a0..9f1b329 100644
--- a/post/lib_ppc/Makefile
+++ b/post/lib_ppc/Makefile
@@ -21,6 +21,7 @@
 # MA 02111-1307 USA
 #
 
+SUBDIRS = fpu
 
 LIB	= libpostppc.a
 
diff --git a/post/lib_ppc/asm.S b/post/lib_ppc/asm.S
index a0815a4..5e72b34 100644
--- a/post/lib_ppc/asm.S
+++ b/post/lib_ppc/asm.S
@@ -34,6 +34,7 @@
 /* void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); */
 	.global	cpu_post_exec_02
 cpu_post_exec_02:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 
@@ -56,6 +57,7 @@ cpu_post_exec_02:
 /* void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3, ulong op4); */
 	.global	cpu_post_exec_04
 cpu_post_exec_04:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 
@@ -80,6 +82,7 @@ cpu_post_exec_04:
 /* void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2); */
 	.global	cpu_post_exec_12
 cpu_post_exec_12:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -100,6 +103,7 @@ cpu_post_exec_12:
 /* void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1); */
 	.global	cpu_post_exec_11
 cpu_post_exec_11:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -119,6 +123,7 @@ cpu_post_exec_11:
 /* void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1); */
 	.global	cpu_post_exec_21
 cpu_post_exec_21:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -148,6 +153,7 @@ cpu_post_exec_21:
     ulong op2); */
 	.global	cpu_post_exec_22
 cpu_post_exec_22:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -177,6 +183,7 @@ cpu_post_exec_22:
 /* void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3); */
 	.global	cpu_post_exec_12w
 cpu_post_exec_12w:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -198,6 +205,7 @@ cpu_post_exec_12w:
 /* void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2); */
 	.global	cpu_post_exec_11w
 cpu_post_exec_11w:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -218,6 +226,7 @@ cpu_post_exec_11w:
 /* void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3); */
 	.global	cpu_post_exec_22w
 cpu_post_exec_22w:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -241,6 +250,7 @@ cpu_post_exec_22w:
 /* void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2); */
 	.global	cpu_post_exec_21w
 cpu_post_exec_21w:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -263,6 +273,7 @@ cpu_post_exec_21w:
 /* void cpu_post_exec_21x (ulong *code, ulong *op1, ulong *op2, ulong op3); */
 	.global	cpu_post_exec_21x
 cpu_post_exec_21x:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
@@ -286,6 +297,7 @@ cpu_post_exec_21x:
     ulong cr); */
 	.global	cpu_post_exec_31
 cpu_post_exec_31:
+	isync
 	mflr	r0
 	stwu	r0, -4(r1)
 	stwu	r4, -4(r1)
diff --git a/post/lib_ppc/b.c b/post/lib_ppc/b.c
index b4b17c8..6e276c4 100644
--- a/post/lib_ppc/b.c
+++ b/post/lib_ppc/b.c
@@ -49,7 +49,7 @@ extern void cpu_post_exec_31 (ulong *code, ulong *ctr, ulong *lr, ulong *jump,
     ulong cr);
 
 static int cpu_post_test_bc (ulong cmd, ulong bo, ulong bi,
-    int pjump, int dec, int link, ulong pctr, ulong cr)
+    int pjump, int decr, int link, ulong pctr, ulong cr)
 {
     int ret = 0;
     ulong lr = 0;
@@ -77,7 +77,7 @@ static int cpu_post_test_bc (ulong cmd, ulong bo, ulong bi,
 	ret = pjump == jump ? 0 : -1;
     if (ret == 0)
     {
-	if (dec)
+	if (decr)
 	    ret = pctr == ctr + 1 ? 0 : -1;
 	else
 	    ret = pctr == ctr ? 0 : -1;
@@ -163,7 +163,7 @@ int cpu_post_test_b (void)
 		    {
 			for (ctr = 1; ctr <= 2 && ret == 0; ctr++)
 			{
-			    int dec = cd < 2;
+			    int decr = cd < 2;
 			    int cr = cond ? 0x80000000 : 0x00000000;
 			    int jumpc = cc >= 2 ||
 					(cc == 0 && !cond) ||
@@ -174,7 +174,7 @@ int cpu_post_test_b (void)
 			    int jump = jumpc && jumpd;
 
 			    ret = cpu_post_test_bc (link ? OP_BCL : OP_BC,
-				(cc << 3) + (cd << 1), 0, jump, dec, link,
+				(cc << 3) + (cd << 1), 0, jump, decr, link,
 				ctr, cr);
 
 			    if (ret != 0)
diff --git a/post/lib_ppc/fpu/20001122-1.c b/post/lib_ppc/fpu/20001122-1.c
new file mode 100644
index 0000000..f689b82
--- /dev/null
+++ b/post/lib_ppc/fpu/20001122-1.c
@@ -0,0 +1,62 @@
+/*
+ * 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
+ */
+/*
+ * 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
+
+int fpu_post_test_math1 (void)
+{
+	volatile double a, *p;
+	double c, d;
+	volatile double b;
+
+	d = 1.0;
+	p = &b;
+
+	do
+	{
+		c = d;
+		d = c * 0.5;
+		b = 1 + d;
+	} while (b != 1.0);
+
+	a = 1.0 + c;
+
+	if (a == 1.0) {
+		post_log ("Error in FPU math1 test\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
diff --git a/post/lib_ppc/fpu/20010114-2.c b/post/lib_ppc/fpu/20010114-2.c
new file mode 100644
index 0000000..6e60507
--- /dev/null
+++ b/post/lib_ppc/fpu/20010114-2.c
@@ -0,0 +1,66 @@
+/*
+ * 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
+ */
+/*
+ * 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 float rintf (float x)
+{
+	volatile float TWO23 = 8388608.0;
+
+	if (__builtin_fabs (x) < TWO23)
+	{
+		if (x > 0.0)
+		{
+			x += TWO23;
+			x -= TWO23;
+		}
+		else if (x < 0.0)
+		{
+			x = TWO23 - x;
+			x = -(x - TWO23);
+		}
+	}
+
+	return x;
+}
+
+int fpu_post_test_math2 (void)
+{
+	if (rintf (-1.5) != -2.0) {
+		post_log ("Error in FPU math2 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
diff --git a/post/lib_ppc/fpu/20010226-1.c b/post/lib_ppc/fpu/20010226-1.c
new file mode 100644
index 0000000..b2c47e3
--- /dev/null
+++ b/post/lib_ppc/fpu/20010226-1.c
@@ -0,0 +1,54 @@
+/*
+ * 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
+ */
+/*
+ * 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
+
+int fpu_post_test_math3 (void)
+{
+	volatile long double dfrom = 1.1;
+	volatile long double m1;
+	volatile long double m2;
+	volatile unsigned long mant_long;
+
+	m1 = dfrom / 2.0;
+	m2 = m1 * 4294967296.0;
+	mant_long = ((unsigned long) m2) & 0xffffffff;
+
+	if (mant_long != 0x8ccccccc) {
+		post_log ("Error in FPU math3 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
diff --git a/post/lib_ppc/fpu/980619-1.c b/post/lib_ppc/fpu/980619-1.c
new file mode 100644
index 0000000..990aa0c
--- /dev/null
+++ b/post/lib_ppc/fpu/980619-1.c
@@ -0,0 +1,60 @@
+/*
+ * 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
+ */
+/*
+ * 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
+
+int fpu_post_test_math4 (void)
+{
+	volatile float reale = 1.0f;
+	volatile float oneplus;
+	int i;
+
+	if (sizeof (float) != 4)
+		return 0;
+
+	for (i = 0; ; i++)
+	{
+		oneplus = 1.0f + reale;
+		if (oneplus == 1.0f)
+			break;
+		reale = reale / 2.0f;
+	}
+	/* Assumes ieee754 accurate arithmetic above.  */
+	if (i != 24) {
+		post_log ("Error in FPU math4 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
diff --git a/post/lib_ppc/fpu/Makefile b/post/lib_ppc/fpu/Makefile
new file mode 100644
index 0000000..82646c8
--- /dev/null
+++ b/post/lib_ppc/fpu/Makefile
@@ -0,0 +1,32 @@
+#
+# (C) Copyright 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
+#
+
+
+LIB	= libpostppcfpu.a
+
+COBJS	+= fpu.o 20001122-1.o 20010114-2.o 20010226-1.o 980619-1.o
+COBJS	+= acc1.o compare-fp-1.o mul-subnormal-single-1.o
+
+include $(TOPDIR)/post/rules.mk
+
+CFLAGS += -mhard-float -fkeep-inline-functions
diff --git a/post/lib_ppc/fpu/acc1.c b/post/lib_ppc/fpu/acc1.c
new file mode 100644
index 0000000..4cecbf6
--- /dev/null
+++ b/post/lib_ppc/fpu/acc1.c
@@ -0,0 +1,57 @@
+/*
+ * 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
+ */
+/*
+ * 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 double func (const double *array)
+{
+	double d = *array;
+
+	if (d == 0.0)
+		return d;
+	else
+		return d + func (array + 1);
+}
+
+int fpu_post_test_math5 (void)
+{
+	double values[] = { 0.1e-100, 1.0, -1.0, 0.0 };
+
+	if (func (values) != 0.1e-100) {
+		post_log ("Error in FPU math5 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
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 */
diff --git a/post/lib_ppc/fpu/fpu.c b/post/lib_ppc/fpu/fpu.c
new file mode 100644
index 0000000..07dcba8
--- /dev/null
+++ b/post/lib_ppc/fpu/fpu.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Sergei Poselenov <sposelenov@emcraft.com>
+ *
+ * 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
+ */
+
+#include <common.h>
+
+/*
+ * FPU test
+ *
+ * This test checks the arithmetic logic unit (ALU) of CPU.
+ * It tests independently various groups of instructions using
+ * run-time modification of the code to reduce the memory footprint.
+ * For more details refer to post/cpu/ *.c files.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+#include <watchdog.h>
+
+extern int fpu_status (void);
+extern void fpu_enable (void);
+extern void fpu_disable (void);
+
+extern int fpu_post_test_math1 (void);
+extern int fpu_post_test_math2 (void);
+extern int fpu_post_test_math3 (void);
+extern int fpu_post_test_math4 (void);
+extern int fpu_post_test_math5 (void);
+extern int fpu_post_test_math6 (void);
+extern int fpu_post_test_math7 (void);
+
+int fpu_post_test (int flags)
+{
+	int fpu = fpu_status ();
+
+	int ret = 0;
+
+	WATCHDOG_RESET ();
+
+	if (!fpu)
+		fpu_enable ();
+
+	if (ret == 0)
+		ret = fpu_post_test_math1 ();
+	if (ret == 0)
+		ret = fpu_post_test_math2 ();
+	if (ret == 0)
+		ret = fpu_post_test_math3 ();
+	if (ret == 0)
+		ret = fpu_post_test_math4 ();
+	if (ret == 0)
+		ret = fpu_post_test_math5 ();
+	if (ret == 0)
+		ret = fpu_post_test_math6 ();
+	if (ret == 0)
+		ret = fpu_post_test_math7 ();
+
+	if (!fpu)
+		fpu_disable ();
+
+	WATCHDOG_RESET ();
+
+	return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */
diff --git a/post/lib_ppc/fpu/mul-subnormal-single-1.c b/post/lib_ppc/fpu/mul-subnormal-single-1.c
new file mode 100644
index 0000000..67f48da
--- /dev/null
+++ b/post/lib_ppc/fpu/mul-subnormal-single-1.c
@@ -0,0 +1,103 @@
+/*
+ * 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
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ * Check that certain subnormal numbers (formerly known as denormalized
+ * numbers) are rounded to within 0.5 ulp.  PR other/14354.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_FPU
+
+union uf
+{
+	unsigned int u;
+	float f;
+};
+
+static float
+u2f (unsigned int v)
+{
+	union uf u;
+	u.u = v;
+	return u.f;
+}
+
+static unsigned int
+f2u (float v)
+{
+	union uf u;
+	u.f = v;
+	return u.u;
+}
+
+static int ok = 1;
+
+static void
+tstmul (unsigned int ux, unsigned int uy, unsigned int ur)
+{
+	float x = u2f (ux);
+	float y = u2f (uy);
+
+	if (f2u (x * y) != ur)
+	/* Set a variable rather than aborting here, to simplify tracing when
+	   several computations are wrong.  */
+		ok = 0;
+}
+
+/* We don't want to make this const and static, or else we risk inlining
+   causing the test to fold as constants at compile-time.  */
+struct
+{
+  unsigned int p1, p2, res;
+} static volatile expected[] =
+{
+	{0xfff, 0x3f800400, 0xfff},
+	{0xf, 0x3fc88888, 0x17},
+	{0xf, 0x3f844444, 0xf}
+};
+
+int fpu_post_test_math7 (void)
+{
+	unsigned int i;
+
+	for (i = 0; i < sizeof (expected) / sizeof (expected[0]); i++)
+	{
+		tstmul (expected[i].p1, expected[i].p2, expected[i].res);
+		tstmul (expected[i].p2, expected[i].p1, expected[i].res);
+	}
+
+	if (!ok) {
+		post_log ("Error in FPU math7 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_FPU */
+#endif /* CONFIG_POST */