Changes from teg@redhat.com - subtle bugs that only show up under

certain circumstances.


include/global.h:
  Fix for gcc with strict aliasing.
  Thanks to teg@redhat.com for the patch.
strings/strstr-sparc.s:
  %g6 -> %o2
  %g6 and %g7 are reserved for OS use by Sun's ABI.
  Thanks to teg@redhat.com for the patch.

include/global.h

@@ -682,10 +682,14 @@ typedef char		bool;	/* Ordinary boolean values 0 1 */
 			  *((T)+4)=(uchar) (((A) >> 32)); }
 #define int8store(T,A)	*((ulonglong *) (T))= (ulonglong) (A)
 
-#define doubleget(V,M)	{ *((long *) &V) = *((long*) M); \
-			  *(((long *) &V)+1) = *(((long*) M)+1); }
-#define doublestore(T,V) { *((long *) T) = *((long*) &V); \
-			   *(((long *) T)+1) = *(((long*) &V)+1); }
+typedef union {
+  double v;
+  long m[2];
+} doubleget_union;
+#define doubleget(V,M)	{ ((doubleget_union *)&V)->m[0] = *((long*) M); \
+			  ((doubleget_union *)&V)->m[1] = *(((long*) M)+1); }
+#define doublestore(T,V) { *((long *) T) = ((doubleget_union *)&V)->m[0]; \
+			   *(((long *) T)+1) = ((doubleget_union *)&V)->m[1]; }
 #define float4get(V,M) { *((long *) &(V)) = *((long*) (M)); }
 #define float8get(V,M) doubleget((V),(M))
 #define float4store(V,M) memcpy((byte*) V,(byte*) (&M),sizeof(float))

strings/strstr-sparc.s

@@ -31,12 +31,12 @@ strstr:
 !    if (*str++ == *search) {
 !      i=(char*) str; j=(char*) search+1;
 
-	ldsb	[%o1],%g6		! g6= First char of search
+	ldsb	[%o1],%o2		! g6= First char of search
 .top:
 	ldsb	[%o0],%g3		! g3= First char of rest of str
 	cmp	%g3,0
 	be	.abort			! Found end null		; 
-	cmp	%g3,%g6
+	cmp	%g3,%o2
 	bne	.top
 	add	%o0,1,%o0