Fix nqp::cmp_{i|n|s} opcodes, add tests.

src/PAST/NQP.pir

@@ -246,22 +246,23 @@ entry to produce the node to be returned.
     maphash['x']        = 'repeat__Ssi'
 
     # relational opcodes
-    maphash['cmp_i']    = 'cmp_Iii'
+    maphash['cmp_i']    = 'cmp__Iii'
     maphash['iseq_i']   = 'iseq__Iii'
     maphash['isne_i']   = 'isne__Iii'
     maphash['islt_i']   = 'islt__Iii'
     maphash['isle_i']   = 'isle__Iii'
     maphash['isgt_i']   = 'isgt__Iii'
     maphash['isge_i']   = 'isge__Iii'
 
-    maphash['cmp_n']    = 'cmp_Inn'
+    maphash['cmp_n']    = 'cmp__Inn'
     maphash['iseq_n']   = 'iseq__Inn'
     maphash['isne_n']   = 'isne__Inn'
     maphash['islt_n']   = 'islt__Inn'
     maphash['isle_n']   = 'isle__Inn'
     maphash['isgt_n']   = 'isgt__Inn'
     maphash['isge_n']   = 'isge__Inn'
 
+    maphash['cmp_s']    = 'cmp__Iss'
     maphash['iseq_s']   = 'iseq__Iss'
     maphash['isne_s']   = 'isne__Iss'
     maphash['islt_s']   = 'islt__Iss'

t/nqp/59-nqpop.t

@@ -2,7 +2,7 @@
 
 # Test nqp::op pseudo-functions.
 
-plan(71);
+plan(80);
 
 
 ok( nqp::add_i(5,2) == 7, 'nqp::add_i');
@@ -27,6 +27,18 @@ ok( nqp::uc("Don't Panic") eq "DON'T PANIC", 'nqp::upcase');
 
 ok( nqp::iseq_i(2, 2) == 1, 'nqp::iseq_i');
 
+ok( nqp::cmp_i(2, 0) ==  1, 'nqp::cmp_i');
+ok( nqp::cmp_i(2, 2) ==  0, 'nqp::cmp_i');
+ok( nqp::cmp_i(2, 5) == -1, 'nqp::cmp_i');
+
+ok( nqp::cmp_n(2.5, 0.5) ==  1, 'nqp::cmp_n');
+ok( nqp::cmp_n(2.5, 2.5) ==  0, 'nqp::cmp_n');
+ok( nqp::cmp_n(2.5, 5.0) == -1, 'nqp::cmp_n');
+
+ok( nqp::cmp_s("c", "a") ==  1, 'nqp::cmp_s');
+ok( nqp::cmp_s("c", "c") ==  0, 'nqp::cmp_s');
+ok( nqp::cmp_s("c", "e") == -1, 'nqp::cmp_s');
+
 my @array := ['zero', 'one', 'two'];
 ok( nqp::elems(@array) == 3, 'nqp::elems');