32-bit big endian machines couldn't properly compile amd64 binaries because
the halves of 64-bit integers or doubles got reordered.  this simplifies things,
and fixes the issue

Reference: /n/atom/patch/applied/6cletab
Date: Sun Aug 16 03:50:40 CES 2015
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/6l/l.h	Sun Aug 16 03:49:50 2015
+++ /sys/src/cmd/6l/l.h	Sun Aug 16 03:49:51 2015
@@ -381,8 +381,6 @@
 vlong	entryvalue(void);
 void	errorexit(void);
 void	export(void);
-int	find1(long, int);
-int	find2(long, int);
 void	follow(void);
 void	gethunk(void);
 void	histtoauto(void);
--- /sys/src/cmd/6l/obj.c	Sun Aug 16 03:49:54 2015
+++ /sys/src/cmd/6l/obj.c	Sun Aug 16 03:49:56 2015
@@ -1449,24 +1449,34 @@
 	}
 }
 
+static uvlong lorder = 0x0706050403020100ull;
+
+void
+letab(uchar *t, int w, int n)
+{
+	uchar *o;
+	uint i;
+
+	o = (uchar*)&lorder;
+	o += (o[0]!=0)*(8-w);		/* if big endian, use tail not head */
+	for(i = 0; i < n; i++)
+		t[i] = o[i];
+}
+
 void
 nuxiinit(void)
 {
-	int i, c;
+	int i;
+
+	letab(inuxi1, 4, 1);			/* cast to 4 bytes, 1 byte tab */
+	letab(inuxi2, 4, 2);
+	letab(inuxi4, 4, 4);
+	letab(inuxi8, 8, 8);
+	letab(fnuxi4, 4, 4);
+	letab(fnuxi8, 4, 4);		/* undo Ieee word swap */
+	for(i = 4; i < 8; i++)
+		fnuxi8[i] = fnuxi8[i-4]+4;
 
-	for(i=0; i<4; i++) {
-		c = find1(0x04030201L, i+1);
-		if(i < 2)
-			inuxi2[i] = c;
-		if(i < 1)
-			inuxi1[i] = c;
-		inuxi4[i] = c;
-		inuxi8[i] = c;
-		inuxi8[i+4] = c+4;
-		fnuxi4[i] = c;
-		fnuxi8[i] = c;
-		fnuxi8[i+4] = c+4;
-	}
 	if(debug['v']) {
 		Bprint(&bso, "inuxi = ");
 		for(i=0; i<1; i++)
@@ -1489,35 +1499,6 @@
 		Bprint(&bso, "\n");
 	}
 	Bflush(&bso);
-}
-
-int
-find1(long l, int c)
-{
-	char *p;
-	int i;
-
-	p = (char*)&l;
-	for(i=0; i<4; i++)
-		if(*p++ == c)
-			return i;
-	return 0;
-}
-
-int
-find2(long l, int c)
-{
-	short *p;
-	int i;
-
-	p = (short*)&l;
-	for(i=0; i<4; i+=2) {
-		if(((*p >> 8) & 0xff) == c)
-			return i;
-		if((*p++ & 0xff) == c)
-			return i+1;
-	}
-	return 0;
 }
 
 long