jez becomes jnz, complete cmp+jmp contraction

lisc/test/alt.ssa

@@ -9,15 +9,15 @@
 	%alt =w phi @start 0, @left %alt1, @right %alt1
 	%cnt =w phi @start 100, @left %cnt, @right %cnt1
 	%alt1 =w sub 1, %alt
-	jez %alt1, @left, @right
+	jnz %alt1, @right, @left
 @left
 	%x =w phi @loop 10, @left %x1
 	%x1 =w sub %x, 1
 	%z =w copy %x
-	jez %z, @loop, @left
+	jnz %z, @left, @loop
 @right
 	%cnt1 =w sub %cnt, %ten
-	jez %cnt1, @end, @loop
+	jnz %cnt1, @loop, @end
 @end
 	%ret =w add %cnt, %dum
 	ret

lisc/test/cup.ssa

@@ -5,6 +5,6 @@
 	%n0  =l phi @start -1988, @loop %n1
 	%n1  =l add 1, %n0
 	%cmp =w csle 1991, %n1
-	jez %cmp, @loop, @end
+	jnz %cmp, @end, @loop
 @end
 	ret

lisc/test/eucl.ssa

@@ -9,7 +9,7 @@
 	%a =w phi @start 380, @loop %r
 	%b =w phi @start 747, @loop %a
 	%r =w rem %b, %a
-	jez %r, @end, @loop
+	jnz %r, @loop, @end
 
 @end
 	ret

lisc/test/fix1.ssa

@@ -1,7 +1,7 @@
 @start
 	%x =w copy 1
 @loop
-	jez %x, @isz, @noz
+	jnz %x, @noz, @isz
 @noz
 	%x =w copy 0
 	jmp @end

lisc/test/fix2.ssa

@@ -1,10 +1,10 @@
 @start
 	%x =w copy 1
 @loop
-	jez %x, @isz, @noz
+	jnz %x, @noz, @isz
 @noz
 	%x =w copy 0
-	jez %x, @end, @loop
+	jnz %x, @loop, @end
 @isz
 	%x =w copy 1
 	jmp @loop

lisc/test/live.ssa

@@ -8,7 +8,7 @@
 @start
 	%b =w copy 0
 	%x =w copy 10
-	jez 0, @left, @loop
+	jnz 0, @loop, @left
 @left
 	jmp @inloop
 @loop

lisc/test/loop.ssa

@@ -8,7 +8,7 @@
 	%n  =w phi @start   0, @loop %n1
 	%n1 =w sub %n, 1
 	%s1 =w add %s, %n
-	jez %n1, @end, @loop
+	jnz %n1, @loop, @end
 
 @end
 	ret

lisc/test/rpo.ssa

@@ -1,10 +1,10 @@
 @start
 	jmp @foo
 @baz
-	jez 1, @end, @foo
+	jnz 1, @end, @foo
 @bar
 	jmp @end
 @foo
-	jez 0, @bar, @baz
+	jnz 0, @bar, @baz
 @end
 	ret