From d79dbd92f9104712c6cf41ab3c029dec318a757d Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 25 Aug 2018 09:49:20 +0900
Subject: fixup! New bytecode implementation of mruby VM.

---
 mrbgems/mruby-compiler/core/codegen.c | 100 ----------------------------------
 src/vm.c                              |  10 ----
 2 files changed, 110 deletions(-)

diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index bf5cc14b0..075945b3b 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -445,108 +445,8 @@ gen_move(codegen_scope *s, uint16_t dst, uint16_t src, int nopeep)
       break;
     default:
       goto normal;
-=======
-struct mrb_insn_data {
-  uint8_t insn;
-  uint16_t a;
-  uint16_t b;
-  uint8_t c;
-};
-
-struct mrb_insn_data
-mrb_decode_insn(codegen_scope *s, mrb_code *pc)
-{
-  struct mrb_insn_data data = { 0 };
-  mrb_code insn = READ_B();
-  uint16_t a = 0;
-  uint16_t b = 0;
-  uint8_t  c = 0;
-
-  switch (insn) {
-#define FETCH_Z() /* empty */
-#define OPCODE(i,x) case OP_ ## i: FETCH_ ## x (); break;
-#include "mruby/ops.h"
-#undef OPCODE
-  }
-  switch (insn) {
-  case OP_EXT1:
-    insn = READ_B();
-    switch (insn) {
-#define OPCODE(i,x) case OP_ ## i: FETCH_ ## x ## _1 (); break;
-#include "mruby/ops.h"
-#undef OPCODE
-    }
-    break;
-  case OP_EXT2:
-    insn = READ_B();
-    switch (insn) {
-#define OPCODE(i,x) case OP_ ## i: FETCH_ ## x ## _2 (); break;
-#include "mruby/ops.h"
-#undef OPCODE
-    }
-    break;
-  case OP_EXT3:
-    insn = READ_B();
-    switch (insn) {
-#define OPCODE(i,x) case OP_ ## i: FETCH_ ## x ## _3 (); break;
-#include "mruby/ops.h"
-#undef OPCODE
-    }
-    break;
-  default:
-    break;
-  }
-  data.insn = insn;
-  data.a = a;
-  data.b = b;
-  data.c = c;
-  return data;
-}
-
-struct mrb_insn_data
-mrb_last_insn(codegen_scope *s)
-{
-  if (s->pc == s->lastpc) {
-    struct mrb_insn_data data;
-
-    data.insn = OP_NOP;
-    return data;
-  }
-  return mrb_decode_insn(s, &s->iseq[s->lastpc]);
-}
-
-static mrb_bool
-no_peephole(codegen_scope *s)
-{
-  return no_optimize(s) || s->lastlabel == s->pc || s->pc == 0 || s->pc == s->lastpc;
-}
-
-static uint16_t
-genjmp(codegen_scope *s, mrb_code i, uint16_t pc)
-{
-  uint16_t pos;
-
-  s->lastpc = s->pc;
-  gen_B(s, i);
-  pos = s->pc;
-  gen_S(s, pc);
-  return pos;
-}
-
-static uint16_t
-genjmp2(codegen_scope *s, mrb_code i, uint16_t a, int pc, int val)
-{
-  uint16_t pos;
-
-  if (!no_peephole(s) && !val) {
-    struct mrb_insn_data data = mrb_last_insn(s);
-
-    if (data.insn == OP_MOVE && data.a == a) {
-      s->pc = s->lastpc;
-      a = data.b;
     }
   }
-  return genop(s, i);
 }
 
 static void
diff --git a/src/vm.c b/src/vm.c
index b47469ebf..d0ea6b3bd 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1069,16 +1069,6 @@ RETRY_TRY_BLOCK:
       NEXT;
     }
 
-    CASE(OP_LOADI, BB) {
-      SET_INT_VALUE(regs[a], b);
-      NEXT;
-    }
-
-    CASE(OP_LOADINEG, BB) {
-      SET_INT_VALUE(regs[a], -b);
-      NEXT;
-    }
-
     CASE(OP_LOADI__1,B) goto L_LOADI;
     CASE(OP_LOADI_0,B) goto L_LOADI;
     CASE(OP_LOADI_1,B) goto L_LOADI;
-- 
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