diff --git a/post/lib_powerpc/andi.c b/post/lib_powerpc/andi.c
index 52ec7c4..2791cd7 100644
--- a/post/lib_powerpc/andi.c
+++ b/post/lib_powerpc/andi.c
@@ -61,8 +61,7 @@
 	0x80000000
     },
 };
-static unsigned int cpu_post_andi_size =
-    sizeof (cpu_post_andi_table) / sizeof (struct cpu_post_andi_s);
+static unsigned int cpu_post_andi_size = ARRAY_SIZE(cpu_post_andi_table);
 
 int cpu_post_test_andi (void)
 {
diff --git a/post/lib_powerpc/cmp.c b/post/lib_powerpc/cmp.c
index 5f6a3b9..ae5b72b 100644
--- a/post/lib_powerpc/cmp.c
+++ b/post/lib_powerpc/cmp.c
@@ -95,8 +95,7 @@
 	0x04
     },
 };
-static unsigned int cpu_post_cmp_size =
-    sizeof (cpu_post_cmp_table) / sizeof (struct cpu_post_cmp_s);
+static unsigned int cpu_post_cmp_size = ARRAY_SIZE(cpu_post_cmp_table);
 
 int cpu_post_test_cmp (void)
 {
diff --git a/post/lib_powerpc/cmpi.c b/post/lib_powerpc/cmpi.c
index 1a2fc3d..4160a2a 100644
--- a/post/lib_powerpc/cmpi.c
+++ b/post/lib_powerpc/cmpi.c
@@ -95,8 +95,7 @@
 	0x04
     },
 };
-static unsigned int cpu_post_cmpi_size =
-    sizeof (cpu_post_cmpi_table) / sizeof (struct cpu_post_cmpi_s);
+static unsigned int cpu_post_cmpi_size = ARRAY_SIZE(cpu_post_cmpi_table);
 
 int cpu_post_test_cmpi (void)
 {
diff --git a/post/lib_powerpc/cr.c b/post/lib_powerpc/cr.c
index fbee6d5..ada7c7a 100644
--- a/post/lib_powerpc/cr.c
+++ b/post/lib_powerpc/cr.c
@@ -59,8 +59,7 @@
     0xaaaaaaaa,
     0x55555555,
 };
-static unsigned int cpu_post_cr_size1 =
-    sizeof (cpu_post_cr_table1) / sizeof (ulong);
+static unsigned int cpu_post_cr_size1 = ARRAY_SIZE(cpu_post_cr_table1);
 
 static struct cpu_post_cr_s2 {
     ulong xer;
@@ -76,8 +75,7 @@
 	5
     },
 };
-static unsigned int cpu_post_cr_size2 =
-    sizeof (cpu_post_cr_table2) / sizeof (struct cpu_post_cr_s2);
+static unsigned int cpu_post_cr_size2 = ARRAY_SIZE(cpu_post_cr_table2);
 
 static struct cpu_post_cr_s3 {
     ulong cr;
@@ -99,8 +97,7 @@
 	0x71234567
     },
 };
-static unsigned int cpu_post_cr_size3 =
-    sizeof (cpu_post_cr_table3) / sizeof (struct cpu_post_cr_s3);
+static unsigned int cpu_post_cr_size3 = ARRAY_SIZE(cpu_post_cr_table3);
 
 static struct cpu_post_cr_s4 {
     ulong cmd;
@@ -240,8 +237,7 @@
 	0x0000ffff
     },
 };
-static unsigned int cpu_post_cr_size4 =
-    sizeof (cpu_post_cr_table4) / sizeof (struct cpu_post_cr_s4);
+static unsigned int cpu_post_cr_size4 = ARRAY_SIZE(cpu_post_cr_table4);
 
 int cpu_post_test_cr (void)
 {
diff --git a/post/lib_powerpc/fpu/mul-subnormal-single-1.c b/post/lib_powerpc/fpu/mul-subnormal-single-1.c
index 23a3f30..b3f8deb 100644
--- a/post/lib_powerpc/fpu/mul-subnormal-single-1.c
+++ b/post/lib_powerpc/fpu/mul-subnormal-single-1.c
@@ -86,7 +86,7 @@
 {
 	unsigned int i;
 
-	for (i = 0; i < sizeof (expected) / sizeof (expected[0]); i++)
+	for (i = 0; i < ARRAY_SIZE(expected); i++)
 	{
 		tstmul (expected[i].p1, expected[i].p2, expected[i].res);
 		tstmul (expected[i].p2, expected[i].p1, expected[i].res);
diff --git a/post/lib_powerpc/load.c b/post/lib_powerpc/load.c
index 98d4373..49924f2 100644
--- a/post/lib_powerpc/load.c
+++ b/post/lib_powerpc/load.c
@@ -171,8 +171,7 @@
 	1
     },
 };
-static unsigned int cpu_post_load_size =
-    sizeof (cpu_post_load_table) / sizeof (struct cpu_post_load_s);
+static unsigned int cpu_post_load_size = ARRAY_SIZE(cpu_post_load_table);
 
 int cpu_post_test_load (void)
 {
diff --git a/post/lib_powerpc/multi.c b/post/lib_powerpc/multi.c
index e42a7c0..5845616 100644
--- a/post/lib_powerpc/multi.c
+++ b/post/lib_powerpc/multi.c
@@ -57,7 +57,7 @@
 	    ASM_BLR,
 	};
 
-	for (i = 0; i < sizeof(src) / sizeof(src[0]); i ++)
+	for (i = 0; i < ARRAY_SIZE(src); ++i)
 	{
 	    src[i] = i;
 	    dst[i] = 0;
diff --git a/post/lib_powerpc/rlwimi.c b/post/lib_powerpc/rlwimi.c
index fd628b3..15d96ac 100644
--- a/post/lib_powerpc/rlwimi.c
+++ b/post/lib_powerpc/rlwimi.c
@@ -62,8 +62,7 @@
 	0xffaaffff
     },
 };
-static unsigned int cpu_post_rlwimi_size =
-    sizeof (cpu_post_rlwimi_table) / sizeof (struct cpu_post_rlwimi_s);
+static unsigned int cpu_post_rlwimi_size = ARRAY_SIZE(cpu_post_rlwimi_table);
 
 int cpu_post_test_rlwimi (void)
 {
diff --git a/post/lib_powerpc/rlwinm.c b/post/lib_powerpc/rlwinm.c
index 88a28c6..a04ec52 100644
--- a/post/lib_powerpc/rlwinm.c
+++ b/post/lib_powerpc/rlwinm.c
@@ -59,8 +59,7 @@
 	0x0000ff00
    },
 };
-static unsigned int cpu_post_rlwinm_size =
-    sizeof (cpu_post_rlwinm_table) / sizeof (struct cpu_post_rlwinm_s);
+static unsigned int cpu_post_rlwinm_size = ARRAY_SIZE(cpu_post_rlwinm_table);
 
 int cpu_post_test_rlwinm (void)
 {
diff --git a/post/lib_powerpc/rlwnm.c b/post/lib_powerpc/rlwnm.c
index 60bcb6d..764fe0c 100644
--- a/post/lib_powerpc/rlwnm.c
+++ b/post/lib_powerpc/rlwnm.c
@@ -60,8 +60,7 @@
 	0x0000ff00
    },
 };
-static unsigned int cpu_post_rlwnm_size =
-    sizeof (cpu_post_rlwnm_table) / sizeof (struct cpu_post_rlwnm_s);
+static unsigned int cpu_post_rlwnm_size = ARRAY_SIZE(cpu_post_rlwnm_table);
 
 int cpu_post_test_rlwnm (void)
 {
diff --git a/post/lib_powerpc/srawi.c b/post/lib_powerpc/srawi.c
index be153ad..90a1e4d 100644
--- a/post/lib_powerpc/srawi.c
+++ b/post/lib_powerpc/srawi.c
@@ -61,8 +61,7 @@
 	0xf0000000
     },
 };
-static unsigned int cpu_post_srawi_size =
-    sizeof (cpu_post_srawi_table) / sizeof (struct cpu_post_srawi_s);
+static unsigned int cpu_post_srawi_size = ARRAY_SIZE(cpu_post_srawi_table);
 
 int cpu_post_test_srawi (void)
 {
diff --git a/post/lib_powerpc/store.c b/post/lib_powerpc/store.c
index 1956f6b..441389c 100644
--- a/post/lib_powerpc/store.c
+++ b/post/lib_powerpc/store.c
@@ -156,8 +156,7 @@
 	0xff
     },
 };
-static unsigned int cpu_post_store_size =
-    sizeof (cpu_post_store_table) / sizeof (struct cpu_post_store_s);
+static unsigned int cpu_post_store_size = ARRAY_SIZE(cpu_post_store_table);
 
 int cpu_post_test_store (void)
 {
diff --git a/post/lib_powerpc/three.c b/post/lib_powerpc/three.c
index 7f8c1e2..4391386 100644
--- a/post/lib_powerpc/three.c
+++ b/post/lib_powerpc/three.c
@@ -155,8 +155,7 @@
 	0x40
     },
 };
-static unsigned int cpu_post_three_size =
-    sizeof (cpu_post_three_table) / sizeof (struct cpu_post_three_s);
+static unsigned int cpu_post_three_size = ARRAY_SIZE(cpu_post_three_table);
 
 int cpu_post_test_three (void)
 {
diff --git a/post/lib_powerpc/threei.c b/post/lib_powerpc/threei.c
index 31953f9..95b6322 100644
--- a/post/lib_powerpc/threei.c
+++ b/post/lib_powerpc/threei.c
@@ -75,8 +75,7 @@
 	0xffff8000
     },
 };
-static unsigned int cpu_post_threei_size =
-    sizeof (cpu_post_threei_table) / sizeof (struct cpu_post_threei_s);
+static unsigned int cpu_post_threei_size = ARRAY_SIZE(cpu_post_threei_table);
 
 int cpu_post_test_threei (void)
 {
diff --git a/post/lib_powerpc/threex.c b/post/lib_powerpc/threex.c
index 350a12a..7769218 100644
--- a/post/lib_powerpc/threex.c
+++ b/post/lib_powerpc/threex.c
@@ -125,8 +125,7 @@
 	0x1000
     },
 };
-static unsigned int cpu_post_threex_size =
-    sizeof (cpu_post_threex_table) / sizeof (struct cpu_post_threex_s);
+static unsigned int cpu_post_threex_size = ARRAY_SIZE(cpu_post_threex_table);
 
 int cpu_post_test_threex (void)
 {
diff --git a/post/lib_powerpc/two.c b/post/lib_powerpc/two.c
index 2b11147..7f08880 100644
--- a/post/lib_powerpc/two.c
+++ b/post/lib_powerpc/two.c
@@ -81,8 +81,7 @@
 	~5
     },
 };
-static unsigned int cpu_post_two_size =
-    sizeof (cpu_post_two_table) / sizeof (struct cpu_post_two_s);
+static unsigned int cpu_post_two_size = ARRAY_SIZE(cpu_post_two_table);
 
 int cpu_post_test_two (void)
 {
diff --git a/post/lib_powerpc/twox.c b/post/lib_powerpc/twox.c
index d6714f9..88140bf 100644
--- a/post/lib_powerpc/twox.c
+++ b/post/lib_powerpc/twox.c
@@ -81,8 +81,7 @@
 	12
     },
 };
-static unsigned int cpu_post_twox_size =
-    sizeof (cpu_post_twox_table) / sizeof (struct cpu_post_twox_s);
+static unsigned int cpu_post_twox_size = ARRAY_SIZE(cpu_post_twox_table);
 
 int cpu_post_test_twox (void)
 {