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diff test/bitfield.c @ 336:d488b72254fb

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bit-field done.
author kono
date Fri, 25 Jun 2004 03:56:48 +0900
parents
children 7fe7ce0a791f
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/bitfield.c	Fri Jun 25 03:56:48 2004 +0900
@@ -0,0 +1,539 @@
+
+
+typedef union {
+    struct _PTE {
+	    unsigned long v:1;
+	    unsigned long vsid:24;
+	    unsigned long h:1;
+	    unsigned long api:6;
+	    unsigned long rpn:20;
+
+	    unsigned long :3;
+	    unsigned long r:1;
+	    unsigned long c:1;
+	    unsigned long w:1;
+	    unsigned long i:1;
+	    unsigned long m:1;
+	    unsigned long g:1;
+	    unsigned long :1;
+	    unsigned long pp:2;
+    } pte;
+    struct {
+	    unsigned char v:1;
+	    signed long vsid:24;
+	    unsigned long h:1;
+	    signed char api:6;
+	    signed long rpn:20;
+
+	    signed long :3;
+	    unsigned long r:1;
+	    unsigned long c:1;
+	    unsigned long w:1;
+	    unsigned long i:1;
+	    unsigned long m:1;
+	    unsigned long g:1;
+	    unsigned long :1;
+	    signed long pp:2;
+    } sg;
+    unsigned long u[2];
+} PTE;
+
+PTE g;
+
+main()
+{
+       PTE a,*p;
+      int i = 0;
+      int j = 0;
+
+      a.pte.rpn = 55;
+      j = a.pte.rpn;
+printf("% 3d:  %d\n",i++,j);
+      a.pte.c = 1;
+      j = a.pte.c;
+printf("% 3d:  %d\n",i++,j);
+      a.pte.pp = -1;
+      j = a.pte.pp;
+printf("% 3d:  %d\n",i++,j);
+      a.sg.pp = -1;
+      j = a.sg.pp;
+printf("% 3d:  %d\n",i++,j);
+
+      p = &g;
+
+      g.u[0]=0;
+      g.u[1]=0;
+       
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. v = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. vsid = -1;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. h = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. api = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. rpn = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.pte. r = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. c = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. w = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. i = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. m = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. g = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. pp = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+      g.u[0]=-1;
+      g.u[1]=-1;
+
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. v = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. vsid = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. h = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. api = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. rpn = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.pte. r = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. c = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. w = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. i = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. m = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. g = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. pp = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+      g.u[0]=-1;
+      g.u[1]=-1;
+
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. v = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. vsid = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. h = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. api = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. rpn = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.pte. r = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. c = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. w = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. i = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. m = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. g = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. pp = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+      g.u[0]=-1;
+      g.u[1]=-1;
+
+for(i=0;i<0x200;i++) {
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. v = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. vsid = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. h = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. api = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. rpn = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.pte. r = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. c = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. w = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. i = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. m = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. g = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.pte. pp = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+}
+
+      g = a;
+
+      printf("%d %d %d\n",a.pte.pp,g.pte.pp,p->pte.pp);
+     main2();
+     main5();
+    return 0;
+}
+
+main2()
+{
+      int i = 0;
+
+      g.u[0]=0;
+      g.u[1]=0;
+       
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. v = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. vsid = -1;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. h = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. api = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. rpn = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.sg. r = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. c = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. w = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. i = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. m = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. g = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. pp = 3;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+      g.u[0]=-1;
+      g.u[1]=-1;
+
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. v = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. vsid = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. h = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. api = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. rpn = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.sg. r = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. c = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. w = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. i = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. m = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. g = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. pp = 0;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+      g.u[0]=-1;
+      g.u[1]=-1;
+
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. v = 0x55;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. vsid = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. h = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. api = 0x55;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. rpn = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.sg. r = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. c = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. w = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. i = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. m = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. g = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. pp = 0x5555555;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+      g.u[0]=-1;
+      g.u[1]=-1;
+
+for(i=-0x100;i<0x100;i++) {
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. v = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. vsid = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. h = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. api = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. rpn = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+
+        g.sg. r = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. c = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. w = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. i = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. m = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. g = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+        g.sg. pp = i;
+printf("% 3d:  0x%08x%08x\n",i++,g.u[0],g.u[1]);
+}
+
+// printf("size of %d\n",sizeof(g.sg.pp));    no size of for bit-field
+
+}
+
+//  int :12         bit-field cannot be a return value;
+//  main3( int a:8 ) bit-field cannot be an argument;
+main3( int a )
+{
+     // int b:9;       // nor local variable
+     int b;
+
+
+     g.pte.rpn--;
+     g.pte.rpn++;
+     --g.pte.rpn;
+     ++g.pte.rpn;
+     g.pte.rpn += 3;
+     g.pte.rpn -= 3;
+     g.pte.rpn *= 3;
+     g.pte.rpn /= 3;
+     g.pte.rpn %= 3;
+     g.pte.rpn |= 3;
+     g.pte.rpn &= 3;
+     g.pte.rpn ^= 3;
+
+     return --b;
+}
+
+
+
+
+union ll1 {
+   int a[8];
+   struct {
+        char a:4;
+	long long v:33;
+	long long w:33;
+	long long x:33;
+   } b;
+} ll1;
+
+union ll0 {
+   int a[8];
+   struct {
+        char a:4;
+	long long v:48;
+	long long w:48;
+	long long x:48;
+   } b;
+} ll0;
+
+
+union ll {
+   int a[8];
+   struct {
+        char a:4;
+	long long v:56;
+	long long w:56;
+	long long x:56;
+   } b;
+} ll;
+
+union cc {
+   int a;
+   struct {
+	char a:1;
+	char b:4;
+	char c:7;
+	char d:4;
+	char e:4;
+	char f:4;
+   } b;
+} cc;
+
+union ii {
+   int a;
+   struct {
+	int a:1;
+	int b:4;
+	int c:4;
+	int d:4;
+	int e:4;
+	int f:4;
+    } b;
+} ii;
+
+int m1 = -1;
+int p1 = 1;
+int zero = 0;
+
+main5()
+{
+     ii.b.a = -1;
+     printf("00:%d\n",ii.b.a);
+
+     ll1.b.v = m1;
+     printf("01:%llx\n",ll1.b.v);
+     printf("02:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll1.a[0],ll1.a[1],ll1.a[2],ll1.a[3],
+	ll1.a[4],ll1.a[5],ll1.a[6],ll1.a[7]
+      );
+     ll1.b.v = zero;
+     ll1.b.w = m1;
+     printf("02:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll1.a[0],ll1.a[1],ll1.a[2],ll1.a[3],
+	ll1.a[4],ll1.a[5],ll1.a[6],ll1.a[7]
+      );
+     ll1.b.w = zero;
+     ll1.b.x = m1;
+     printf("02:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll1.a[0],ll1.a[1],ll1.a[2],ll1.a[3],
+	ll1.a[4],ll1.a[5],ll1.a[6],ll1.a[7]
+      );
+
+     ll0.b.v = m1;
+     printf("01:%llx\n",ll0.b.v);
+     printf("02:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll0.a[0],ll0.a[1],ll0.a[2],ll0.a[3],
+	ll0.a[4],ll0.a[5],ll0.a[6],ll0.a[7]
+      );
+     ll0.b.v = zero;
+     ll0.b.w = m1;
+     printf("02:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll0.a[0],ll0.a[1],ll0.a[2],ll0.a[3],
+	ll0.a[4],ll0.a[5],ll0.a[6],ll0.a[7]
+      );
+     ll0.b.w = zero;
+     ll0.b.x = m1;
+     printf("02:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll0.a[0],ll0.a[1],ll0.a[2],ll0.a[3],
+	ll0.a[4],ll0.a[5],ll0.a[6],ll0.a[7]
+      );
+
+     ll.b.v = m1;
+     printf("1:%llx\n",ll.b.v);
+     printf("2:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll.a[0],ll.a[1],ll.a[2],ll.a[3],
+	ll.a[4],ll.a[5],ll.a[6],ll.a[7]
+      );
+     ll.b.v = zero;
+     ll.b.w = m1;
+     printf("2:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll.a[0],ll.a[1],ll.a[2],ll.a[3],
+	ll.a[4],ll.a[5],ll.a[6],ll.a[7]
+      );
+     ll.b.w = zero;
+     ll.b.x = m1;
+     printf("2:%08x %08x %08x %08x %08x %08x %08x %08x\n",
+	ll.a[0],ll.a[1],ll.a[2],ll.a[3],
+	ll.a[4],ll.a[5],ll.a[6],ll.a[7]
+      );
+
+     printf("char a:1; char b:4; char c:7; char d:4; char e:4; char f:4;\n");
+     cc.b.a = m1;
+     printf("a:%08x\n",cc.a);
+     cc.b.b = m1;
+     printf("b:%08x\n",cc.a);
+     cc.b.c = m1;
+     printf("c:%08x\n",cc.a);
+     cc.b.d = m1;
+     printf("d:%08x\n",cc.a);
+     cc.b.e = m1;
+     printf("e:%08x\n",cc.a);
+     cc.b.f = m1;
+     printf("f:%08x\n",cc.a);
+     printf("3:%d %d\n",cc.b.c,cc.b.d);
+     cc.a = m1;
+     printf("f:%08x\n",cc.a);
+     cc.b.a = zero;
+     printf("a:%08x\n",cc.a);
+     cc.b.b = zero;
+     printf("b:%08x\n",cc.a);
+     cc.b.c = zero;
+     printf("c:%08x\n",cc.a);
+     cc.b.d = zero;
+     printf("d:%08x\n",cc.a);
+     cc.b.e = zero;
+     printf("e:%08x\n",cc.a);
+     cc.b.f = zero;
+     printf("f:%08x\n",cc.a);
+     printf("3:%d %d\n",cc.b.c,cc.b.d);
+     cc.a = zero;
+     printf("f:%08x\n",cc.a);
+     cc.b.a = p1;
+     printf("a:%08x\n",cc.a);
+     cc.b.b = p1;
+     printf("b:%08x\n",cc.a);
+     cc.b.c = p1;
+     printf("c:%08x\n",cc.a);
+     cc.b.d = p1;
+     printf("d:%08x\n",cc.a);
+     cc.b.e = p1;
+     printf("e:%08x\n",cc.a);
+     cc.b.f = p1;
+     printf("f:%08x\n",cc.a);
+     printf("3:%d %d\n",cc.b.c,cc.b.d);
+     cc.a = m1;
+     printf("f:%08x\n",cc.a);
+     cc.b.a = p1;
+     printf("a:%08x\n",cc.a);
+     cc.b.b = p1;
+     printf("b:%08x\n",cc.a);
+     cc.b.c = p1;
+     printf("c:%08x\n",cc.a);
+     cc.b.d = p1;
+     printf("d:%08x\n",cc.a);
+     cc.b.e = p1;
+     printf("e:%08x\n",cc.a);
+     cc.b.f = p1;
+     printf("f:%08x\n",cc.a);
+     printf("3:%d %d\n",cc.b.c,cc.b.d);
+
+     ii.b.a = m1;
+     printf("6:%08x\n",ii.a);
+     ii.b.d = m1;
+     printf("6:%08x\n",ii.a);
+     printf("5:%d %d\n",ii.b.a,ii.b.d);
+}
+
+