Remove MAKEPROD.

MAKEPROD is just MAKEBLOCK2(0), but one word shorter. Since this opcode is
never encountered in the fast path, this optimization is not worth the
extra complexity.

2 files changed, 1 insertions, 11 deletions

diff --git a/kernel/byterun/coq_fix_code.c b/kernel/byterun/coq_fix_code.c
index 51ac290ad0..4bc6848ba7 100644
--- a/kernel/byterun/coq_fix_code.c
+++ b/kernel/byterun/coq_fix_code.c
@@ -43,7 +43,7 @@ void init_arity () {
     arity[GETFIELD0]=arity[GETFIELD1]=
     arity[CONST0]=arity[CONST1]=arity[CONST2]=arity[CONST3]=
     arity[PUSHCONST0]=arity[PUSHCONST1]=arity[PUSHCONST2]=arity[PUSHCONST3]=
-    arity[ACCUMULATE]=arity[STOP]=arity[MAKEPROD]=
+    arity[ACCUMULATE]=arity[STOP]=
     0;
   /* instruction with one operand */
   arity[ACC]=arity[PUSHACC]=arity[POP]=arity[ENVACC]=arity[PUSHENVACC]=
diff --git a/kernel/byterun/coq_interp.c b/kernel/byterun/coq_interp.c
index a1537cd963..a9ea6d9f46 100644
--- a/kernel/byterun/coq_interp.c
+++ b/kernel/byterun/coq_interp.c
@@ -1270,16 +1270,6 @@ value coq_interprete
         Next;
       }
 
-      Instruct(MAKEPROD) {
-        print_instr("MAKEPROD");
-        *--sp=accu;
-        Alloc_small(accu,2,0);
-        Field(accu, 0) = sp[0];
-        Field(accu, 1) = sp[1];
-        sp += 2;
-        Next;
-      }
-
       Instruct(BRANCH) {
         /* unconditional branching */
         print_instr("BRANCH");