emscripten.diff

diff --git a/src/fastLong.js b/src/fastLong.js
index 2b70b2f..977c7ec 100644
--- a/src/fastLong.js
+++ b/src/fastLong.js
@@ -12,47 +12,6 @@ function ___muldsi3($a, $b) {
   $12 = Math_imul($11, $1) | 0;
   return (tempRet0 = (($8 >>> 16) + (Math_imul($11, $6) | 0) | 0) + ((($8 & 65535) + $12 | 0) >>> 16) | 0, 0 | ($8 + $12 << 16 | $3 & 65535)) | 0;
 }
-function ___divdi3($a$0, $a$1, $b$0, $b$1) {
-  $a$0 = $a$0 | 0;
-  $a$1 = $a$1 | 0;
-  $b$0 = $b$0 | 0;
-  $b$1 = $b$1 | 0;
-  var $1$0 = 0, $1$1 = 0, $2$0 = 0, $2$1 = 0, $4$0 = 0, $4$1 = 0, $6$0 = 0, $7$0 = 0, $7$1 = 0, $8$0 = 0, $10$0 = 0;
-  $1$0 = $a$1 >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
-  $1$1 = (($a$1 | 0) < 0 ? -1 : 0) >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
-  $2$0 = $b$1 >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
-  $2$1 = (($b$1 | 0) < 0 ? -1 : 0) >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
-  $4$0 = _i64Subtract($1$0 ^ $a$0, $1$1 ^ $a$1, $1$0, $1$1) | 0;
-  $4$1 = tempRet0;
-  $6$0 = _i64Subtract($2$0 ^ $b$0, $2$1 ^ $b$1, $2$0, $2$1) | 0;
-  $7$0 = $2$0 ^ $1$0;
-  $7$1 = $2$1 ^ $1$1;
-  $8$0 = ___udivmoddi4($4$0, $4$1, $6$0, tempRet0, 0) | 0;
-  $10$0 = _i64Subtract($8$0 ^ $7$0, tempRet0 ^ $7$1, $7$0, $7$1) | 0;
-  return (tempRet0 = tempRet0, $10$0) | 0;
-}
-function ___remdi3($a$0, $a$1, $b$0, $b$1) {
-  $a$0 = $a$0 | 0;
-  $a$1 = $a$1 | 0;
-  $b$0 = $b$0 | 0;
-  $b$1 = $b$1 | 0;
-  var $rem = 0, $1$0 = 0, $1$1 = 0, $2$0 = 0, $2$1 = 0, $4$0 = 0, $4$1 = 0, $6$0 = 0, $10$0 = 0, $10$1 = 0, __stackBase__ = 0;
-  __stackBase__ = STACKTOP;
-  STACKTOP = STACKTOP + 8 | 0;
-  $rem = __stackBase__ | 0;
-  $1$0 = $a$1 >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
-  $1$1 = (($a$1 | 0) < 0 ? -1 : 0) >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
-  $2$0 = $b$1 >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
-  $2$1 = (($b$1 | 0) < 0 ? -1 : 0) >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
-  $4$0 = _i64Subtract($1$0 ^ $a$0, $1$1 ^ $a$1, $1$0, $1$1) | 0;
-  $4$1 = tempRet0;
-  $6$0 = _i64Subtract($2$0 ^ $b$0, $2$1 ^ $b$1, $2$0, $2$1) | 0;
-  ___udivmoddi4($4$0, $4$1, $6$0, tempRet0, $rem) | 0;
-  $10$0 = _i64Subtract(HEAP32[$rem >> 2] ^ $1$0, HEAP32[$rem + 4 >> 2] ^ $1$1, $1$0, $1$1) | 0;
-  $10$1 = tempRet0;
-  STACKTOP = __stackBase__;
-  return (tempRet0 = $10$1, $10$0) | 0;
-}
 function ___muldi3($a$0, $a$1, $b$0, $b$1) {
   $a$0 = $a$0 | 0;
   $a$1 = $a$1 | 0;
@@ -66,234 +25,5 @@ function ___muldi3($a$0, $a$1, $b$0, $b$1) {
   $2 = Math_imul($a$1, $y_sroa_0_0_extract_trunc) | 0;
   return (tempRet0 = ((Math_imul($b$1, $x_sroa_0_0_extract_trunc) | 0) + $2 | 0) + $1$1 | $1$1 & 0, 0 | $1$0 & -1) | 0;
 }
-function ___udivdi3($a$0, $a$1, $b$0, $b$1) {
-  $a$0 = $a$0 | 0;
-  $a$1 = $a$1 | 0;
-  $b$0 = $b$0 | 0;
-  $b$1 = $b$1 | 0;
-  var $1$0 = 0;
-  $1$0 = ___udivmoddi4($a$0, $a$1, $b$0, $b$1, 0) | 0;
-  return (tempRet0 = tempRet0, $1$0) | 0;
-}
-function ___uremdi3($a$0, $a$1, $b$0, $b$1) {
-  $a$0 = $a$0 | 0;
-  $a$1 = $a$1 | 0;
-  $b$0 = $b$0 | 0;
-  $b$1 = $b$1 | 0;
-  var $rem = 0, __stackBase__ = 0;
-  __stackBase__ = STACKTOP;
-  STACKTOP = STACKTOP + 8 | 0;
-  $rem = __stackBase__ | 0;
-  ___udivmoddi4($a$0, $a$1, $b$0, $b$1, $rem) | 0;
-  STACKTOP = __stackBase__;
-  return (tempRet0 = HEAP32[$rem + 4 >> 2] | 0, HEAP32[$rem >> 2] | 0) | 0;
-}
-function ___udivmoddi4($a$0, $a$1, $b$0, $b$1, $rem) {
-  $a$0 = $a$0 | 0;
-  $a$1 = $a$1 | 0;
-  $b$0 = $b$0 | 0;
-  $b$1 = $b$1 | 0;
-  $rem = $rem | 0;
-  var $n_sroa_0_0_extract_trunc = 0, $n_sroa_1_4_extract_shift$0 = 0, $n_sroa_1_4_extract_trunc = 0, $d_sroa_0_0_extract_trunc = 0, $d_sroa_1_4_extract_shift$0 = 0, $d_sroa_1_4_extract_trunc = 0, $4 = 0, $17 = 0, $37 = 0, $49 = 0, $51 = 0, $57 = 0, $58 = 0, $66 = 0, $78 = 0, $86 = 0, $88 = 0, $89 = 0, $91 = 0, $92 = 0, $95 = 0, $105 = 0, $117 = 0, $119 = 0, $125 = 0, $126 = 0, $130 = 0, $q_sroa_1_1_ph = 0, $q_sroa_0_1_ph = 0, $r_sroa_1_1_ph = 0, $r_sroa_0_1_ph = 0, $sr_1_ph = 0, $d_sroa_0_0_insert_insert99$0 = 0, $d_sroa_0_0_insert_insert99$1 = 0, $137$0 = 0, $137$1 = 0, $carry_0203 = 0, $sr_1202 = 0, $r_sroa_0_1201 = 0, $r_sroa_1_1200 = 0, $q_sroa_0_1199 = 0, $q_sroa_1_1198 = 0, $147 = 0, $149 = 0, $r_sroa_0_0_insert_insert42$0 = 0, $r_sroa_0_0_insert_insert42$1 = 0, $150$1 = 0, $151$0 = 0, $152 = 0, $154$0 = 0, $r_sroa_0_0_extract_trunc = 0, $r_sroa_1_4_extract_trunc = 0, $155 = 0, $carry_0_lcssa$0 = 0, $carry_0_lcssa$1 = 0, $r_sroa_0_1_lcssa = 0, $r_sroa_1_1_lcssa = 0, $q_sroa_0_1_lcssa = 0, $q_sroa_1_1_lcssa = 0, $q_sroa_0_0_insert_ext75$0 = 0, $q_sroa_0_0_insert_ext75$1 = 0, $q_sroa_0_0_insert_insert77$1 = 0, $_0$0 = 0, $_0$1 = 0;
-  $n_sroa_0_0_extract_trunc = $a$0;
-  $n_sroa_1_4_extract_shift$0 = $a$1;
-  $n_sroa_1_4_extract_trunc = $n_sroa_1_4_extract_shift$0;
-  $d_sroa_0_0_extract_trunc = $b$0;
-  $d_sroa_1_4_extract_shift$0 = $b$1;
-  $d_sroa_1_4_extract_trunc = $d_sroa_1_4_extract_shift$0;
-  if (($n_sroa_1_4_extract_trunc | 0) == 0) {
-    $4 = ($rem | 0) != 0;
-    if (($d_sroa_1_4_extract_trunc | 0) == 0) {
-      if ($4) {
-        HEAP32[$rem >> 2] = ($n_sroa_0_0_extract_trunc >>> 0) % ($d_sroa_0_0_extract_trunc >>> 0);
-        HEAP32[$rem + 4 >> 2] = 0;
-      }
-      $_0$1 = 0;
-      $_0$0 = ($n_sroa_0_0_extract_trunc >>> 0) / ($d_sroa_0_0_extract_trunc >>> 0) >>> 0;
-      return (tempRet0 = $_0$1, $_0$0) | 0;
-    } else {
-      if (!$4) {
-        $_0$1 = 0;
-        $_0$0 = 0;
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      }
-      HEAP32[$rem >> 2] = $a$0 & -1;
-      HEAP32[$rem + 4 >> 2] = $a$1 & 0;
-      $_0$1 = 0;
-      $_0$0 = 0;
-      return (tempRet0 = $_0$1, $_0$0) | 0;
-    }
-  }
-  $17 = ($d_sroa_1_4_extract_trunc | 0) == 0;
-  do {
-    if (($d_sroa_0_0_extract_trunc | 0) == 0) {
-      if ($17) {
-        if (($rem | 0) != 0) {
-          HEAP32[$rem >> 2] = ($n_sroa_1_4_extract_trunc >>> 0) % ($d_sroa_0_0_extract_trunc >>> 0);
-          HEAP32[$rem + 4 >> 2] = 0;
-        }
-        $_0$1 = 0;
-        $_0$0 = ($n_sroa_1_4_extract_trunc >>> 0) / ($d_sroa_0_0_extract_trunc >>> 0) >>> 0;
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      }
-      if (($n_sroa_0_0_extract_trunc | 0) == 0) {
-        if (($rem | 0) != 0) {
-          HEAP32[$rem >> 2] = 0;
-          HEAP32[$rem + 4 >> 2] = ($n_sroa_1_4_extract_trunc >>> 0) % ($d_sroa_1_4_extract_trunc >>> 0);
-        }
-        $_0$1 = 0;
-        $_0$0 = ($n_sroa_1_4_extract_trunc >>> 0) / ($d_sroa_1_4_extract_trunc >>> 0) >>> 0;
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      }
-      $37 = $d_sroa_1_4_extract_trunc - 1 | 0;
-      if (($37 & $d_sroa_1_4_extract_trunc | 0) == 0) {
-        if (($rem | 0) != 0) {
-          HEAP32[$rem >> 2] = 0 | $a$0 & -1;
-          HEAP32[$rem + 4 >> 2] = $37 & $n_sroa_1_4_extract_trunc | $a$1 & 0;
-        }
-        $_0$1 = 0;
-        $_0$0 = $n_sroa_1_4_extract_trunc >>> ((_llvm_cttz_i32($d_sroa_1_4_extract_trunc | 0) | 0) >>> 0);
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      }
-      $49 = _llvm_ctlz_i32($d_sroa_1_4_extract_trunc | 0) | 0;
-      $51 = $49 - (_llvm_ctlz_i32($n_sroa_1_4_extract_trunc | 0) | 0) | 0;
-      if ($51 >>> 0 <= 30) {
-        $57 = $51 + 1 | 0;
-        $58 = 31 - $51 | 0;
-        $sr_1_ph = $57;
-        $r_sroa_0_1_ph = $n_sroa_1_4_extract_trunc << $58 | $n_sroa_0_0_extract_trunc >>> ($57 >>> 0);
-        $r_sroa_1_1_ph = $n_sroa_1_4_extract_trunc >>> ($57 >>> 0);
-        $q_sroa_0_1_ph = 0;
-        $q_sroa_1_1_ph = $n_sroa_0_0_extract_trunc << $58;
-        break;
-      }
-      if (($rem | 0) == 0) {
-        $_0$1 = 0;
-        $_0$0 = 0;
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      }
-      HEAP32[$rem >> 2] = 0 | $a$0 & -1;
-      HEAP32[$rem + 4 >> 2] = $n_sroa_1_4_extract_shift$0 | $a$1 & 0;
-      $_0$1 = 0;
-      $_0$0 = 0;
-      return (tempRet0 = $_0$1, $_0$0) | 0;
-    } else {
-      if (!$17) {
-        $117 = _llvm_ctlz_i32($d_sroa_1_4_extract_trunc | 0) | 0;
-        $119 = $117 - (_llvm_ctlz_i32($n_sroa_1_4_extract_trunc | 0) | 0) | 0;
-        if ($119 >>> 0 <= 31) {
-          $125 = $119 + 1 | 0;
-          $126 = 31 - $119 | 0;
-          $130 = $119 - 31 >> 31;
-          $sr_1_ph = $125;
-          $r_sroa_0_1_ph = $n_sroa_0_0_extract_trunc >>> ($125 >>> 0) & $130 | $n_sroa_1_4_extract_trunc << $126;
-          $r_sroa_1_1_ph = $n_sroa_1_4_extract_trunc >>> ($125 >>> 0) & $130;
-          $q_sroa_0_1_ph = 0;
-          $q_sroa_1_1_ph = $n_sroa_0_0_extract_trunc << $126;
-          break;
-        }
-        if (($rem | 0) == 0) {
-          $_0$1 = 0;
-          $_0$0 = 0;
-          return (tempRet0 = $_0$1, $_0$0) | 0;
-        }
-        HEAP32[$rem >> 2] = 0 | $a$0 & -1;
-        HEAP32[$rem + 4 >> 2] = $n_sroa_1_4_extract_shift$0 | $a$1 & 0;
-        $_0$1 = 0;
-        $_0$0 = 0;
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      }
-      $66 = $d_sroa_0_0_extract_trunc - 1 | 0;
-      if (($66 & $d_sroa_0_0_extract_trunc | 0) != 0) {
-        $86 = (_llvm_ctlz_i32($d_sroa_0_0_extract_trunc | 0) | 0) + 33 | 0;
-        $88 = $86 - (_llvm_ctlz_i32($n_sroa_1_4_extract_trunc | 0) | 0) | 0;
-        $89 = 64 - $88 | 0;
-        $91 = 32 - $88 | 0;
-        $92 = $91 >> 31;
-        $95 = $88 - 32 | 0;
-        $105 = $95 >> 31;
-        $sr_1_ph = $88;
-        $r_sroa_0_1_ph = $91 - 1 >> 31 & $n_sroa_1_4_extract_trunc >>> ($95 >>> 0) | ($n_sroa_1_4_extract_trunc << $91 | $n_sroa_0_0_extract_trunc >>> ($88 >>> 0)) & $105;
-        $r_sroa_1_1_ph = $105 & $n_sroa_1_4_extract_trunc >>> ($88 >>> 0);
-        $q_sroa_0_1_ph = $n_sroa_0_0_extract_trunc << $89 & $92;
-        $q_sroa_1_1_ph = ($n_sroa_1_4_extract_trunc << $89 | $n_sroa_0_0_extract_trunc >>> ($95 >>> 0)) & $92 | $n_sroa_0_0_extract_trunc << $91 & $88 - 33 >> 31;
-        break;
-      }
-      if (($rem | 0) != 0) {
-        HEAP32[$rem >> 2] = $66 & $n_sroa_0_0_extract_trunc;
-        HEAP32[$rem + 4 >> 2] = 0;
-      }
-      if (($d_sroa_0_0_extract_trunc | 0) == 1) {
-        $_0$1 = $n_sroa_1_4_extract_shift$0 | $a$1 & 0;
-        $_0$0 = 0 | $a$0 & -1;
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      } else {
-        $78 = _llvm_cttz_i32($d_sroa_0_0_extract_trunc | 0) | 0;
-        $_0$1 = 0 | $n_sroa_1_4_extract_trunc >>> ($78 >>> 0);
-        $_0$0 = $n_sroa_1_4_extract_trunc << 32 - $78 | $n_sroa_0_0_extract_trunc >>> ($78 >>> 0) | 0;
-        return (tempRet0 = $_0$1, $_0$0) | 0;
-      }
-    }
-  } while (0);
-  if (($sr_1_ph | 0) == 0) {
-    $q_sroa_1_1_lcssa = $q_sroa_1_1_ph;
-    $q_sroa_0_1_lcssa = $q_sroa_0_1_ph;
-    $r_sroa_1_1_lcssa = $r_sroa_1_1_ph;
-    $r_sroa_0_1_lcssa = $r_sroa_0_1_ph;
-    $carry_0_lcssa$1 = 0;
-    $carry_0_lcssa$0 = 0;
-  } else {
-    $d_sroa_0_0_insert_insert99$0 = 0 | $b$0 & -1;
-    $d_sroa_0_0_insert_insert99$1 = $d_sroa_1_4_extract_shift$0 | $b$1 & 0;
-    $137$0 = _i64Add($d_sroa_0_0_insert_insert99$0, $d_sroa_0_0_insert_insert99$1, -1, -1) | 0;
-    $137$1 = tempRet0;
-    $q_sroa_1_1198 = $q_sroa_1_1_ph;
-    $q_sroa_0_1199 = $q_sroa_0_1_ph;
-    $r_sroa_1_1200 = $r_sroa_1_1_ph;
-    $r_sroa_0_1201 = $r_sroa_0_1_ph;
-    $sr_1202 = $sr_1_ph;
-    $carry_0203 = 0;
-    while (1) {
-      $147 = $q_sroa_0_1199 >>> 31 | $q_sroa_1_1198 << 1;
-      $149 = $carry_0203 | $q_sroa_0_1199 << 1;
-      $r_sroa_0_0_insert_insert42$0 = 0 | ($r_sroa_0_1201 << 1 | $q_sroa_1_1198 >>> 31);
-      $r_sroa_0_0_insert_insert42$1 = $r_sroa_0_1201 >>> 31 | $r_sroa_1_1200 << 1 | 0;
-      _i64Subtract($137$0, $137$1, $r_sroa_0_0_insert_insert42$0, $r_sroa_0_0_insert_insert42$1) | 0;
-      $150$1 = tempRet0;
-      $151$0 = $150$1 >> 31 | (($150$1 | 0) < 0 ? -1 : 0) << 1;
-      $152 = $151$0 & 1;
-      $154$0 = _i64Subtract($r_sroa_0_0_insert_insert42$0, $r_sroa_0_0_insert_insert42$1, $151$0 & $d_sroa_0_0_insert_insert99$0, ((($150$1 | 0) < 0 ? -1 : 0) >> 31 | (($150$1 | 0) < 0 ? -1 : 0) << 1) & $d_sroa_0_0_insert_insert99$1) | 0;
-      $r_sroa_0_0_extract_trunc = $154$0;
-      $r_sroa_1_4_extract_trunc = tempRet0;
-      $155 = $sr_1202 - 1 | 0;
-      if (($155 | 0) == 0) {
-        break;
-      } else {
-        $q_sroa_1_1198 = $147;
-        $q_sroa_0_1199 = $149;
-        $r_sroa_1_1200 = $r_sroa_1_4_extract_trunc;
-        $r_sroa_0_1201 = $r_sroa_0_0_extract_trunc;
-        $sr_1202 = $155;
-        $carry_0203 = $152;
-      }
-    }
-    $q_sroa_1_1_lcssa = $147;
-    $q_sroa_0_1_lcssa = $149;
-    $r_sroa_1_1_lcssa = $r_sroa_1_4_extract_trunc;
-    $r_sroa_0_1_lcssa = $r_sroa_0_0_extract_trunc;
-    $carry_0_lcssa$1 = 0;
-    $carry_0_lcssa$0 = $152;
-  }
-  $q_sroa_0_0_insert_ext75$0 = $q_sroa_0_1_lcssa;
-  $q_sroa_0_0_insert_ext75$1 = 0;
-  $q_sroa_0_0_insert_insert77$1 = $q_sroa_1_1_lcssa | $q_sroa_0_0_insert_ext75$1;
-  if (($rem | 0) != 0) {
-    HEAP32[$rem >> 2] = 0 | $r_sroa_0_1_lcssa;
-    HEAP32[$rem + 4 >> 2] = $r_sroa_1_1_lcssa | 0;
-  }
-  $_0$1 = (0 | $q_sroa_0_0_insert_ext75$0) >>> 31 | $q_sroa_0_0_insert_insert77$1 << 1 | ($q_sroa_0_0_insert_ext75$1 << 1 | $q_sroa_0_0_insert_ext75$0 >>> 31) & 0 | $carry_0_lcssa$1;
-  $_0$0 = ($q_sroa_0_0_insert_ext75$0 << 1 | 0 >>> 31) & -2 | $carry_0_lcssa$0;
-  return (tempRet0 = $_0$1, $_0$0) | 0;
-}
 // =======================================================================
 
diff --git a/src/jsifier.js b/src/jsifier.js
index a717b79..51bab6f 100644
--- a/src/jsifier.js
+++ b/src/jsifier.js
@@ -1883,8 +1883,14 @@ function JSify(data, functionsOnly) {
       }
       // these may be duplicated in side modules and the main module without issue
       print(read('fastLong.js'));
+      if (!USE_BPG_STRIP)
+        print(read('fastLongDiv.js'));
       print('// EMSCRIPTEN_END_FUNCS\n');
-      print(read('long.js'));
+      if (PRECISE_I64_MATH == 2) {
+        print('var i64Math = null;');
+      } else {
+        print(read('long.js'));
+      }
     } else {
       print('// EMSCRIPTEN_END_FUNCS\n');
       print('// Warning: printing of i64 values may be slightly rounded! No deep i64 math used, so precise i64 code not included');
diff --git a/src/postamble.js b/src/postamble.js
index bac17ab..06800ee 100644
--- a/src/postamble.js
+++ b/src/postamble.js
@@ -52,6 +52,7 @@ dependenciesFulfilled = function runCaller() {
   if (!Module['calledRun']) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
 }
 
+#if !USE_BPG_STRIP
 Module['callMain'] = Module.callMain = function callMain(args) {
   assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on __ATMAIN__)');
   assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
@@ -108,6 +109,7 @@ Module['callMain'] = Module.callMain = function callMain(args) {
     calledMain = true;
   }
 }
+#endif
 
 {{GLOBAL_VARS}}
 
@@ -142,9 +144,11 @@ function run(args) {
       Module.printErr('pre-main prep time: ' + (Date.now() - preloadStartTime) + ' ms');
     }
 
+#if !USE_BPG_STRIP
     if (Module['_main'] && shouldRunNow) {
       Module['callMain'](args);
     }
+#endif
 
     postRun();
   }
diff --git a/src/preamble.js b/src/preamble.js
index a1bc48e..9a2e36b 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -633,6 +633,8 @@ function allocate(slab, types, allocator, ptr) {
 }
 Module['allocate'] = allocate;
 
+#if !USE_BPG_STRIP
+
 function Pointer_stringify(ptr, /* optional */ length) {
   if (length === 0) return '';
   // TODO: use TextDecoder
@@ -924,6 +926,11 @@ function demangle(func) {
 function demangleAll(text) {
   return text.replace(/__Z[\w\d_]+/g, function(x) { var y = demangle(x); return x === y ? x : (x + ' [' + y + ']') });
 }
+#else
+function demangleAll(text) {
+    return text;
+}
+#endif
 
 function jsStackTrace() {
   var err = new Error();
diff --git a/src/settings.js b/src/settings.js
index eb34d2d..49a0a11 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -594,6 +594,8 @@ var USE_SDL = 1; // Specify the SDL version that is being linked against.
                  // 2 is a port of the SDL C code on emscripten-ports
 var USE_SDL_IMAGE = 1; // Specify the SDL_image version that is being linked against. Must match USE_SDL
 
+// strip unused code by BPG
+var USE_BPG_STRIP = 1;
 
 // Compiler debugging options
 var DEBUG_TAGS_SHOWING = [];
diff --git a/src/fastLongDiv.js b/src/fastLongDiv.js
new file mode 100644
index 0000000..d1e5b49
--- /dev/null
+++ b/src/fastLongDiv.js
@@ -0,0 +1,273 @@
+// ======== compiled code from system/lib/compiler-rt , see readme therein
+function ___divdi3($a$0, $a$1, $b$0, $b$1) {
+  $a$0 = $a$0 | 0;
+  $a$1 = $a$1 | 0;
+  $b$0 = $b$0 | 0;
+  $b$1 = $b$1 | 0;
+  var $1$0 = 0, $1$1 = 0, $2$0 = 0, $2$1 = 0, $4$0 = 0, $4$1 = 0, $6$0 = 0, $7$0 = 0, $7$1 = 0, $8$0 = 0, $10$0 = 0;
+  $1$0 = $a$1 >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
+  $1$1 = (($a$1 | 0) < 0 ? -1 : 0) >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
+  $2$0 = $b$1 >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
+  $2$1 = (($b$1 | 0) < 0 ? -1 : 0) >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
+  $4$0 = _i64Subtract($1$0 ^ $a$0, $1$1 ^ $a$1, $1$0, $1$1) | 0;
+  $4$1 = tempRet0;
+  $6$0 = _i64Subtract($2$0 ^ $b$0, $2$1 ^ $b$1, $2$0, $2$1) | 0;
+  $7$0 = $2$0 ^ $1$0;
+  $7$1 = $2$1 ^ $1$1;
+  $8$0 = ___udivmoddi4($4$0, $4$1, $6$0, tempRet0, 0) | 0;
+  $10$0 = _i64Subtract($8$0 ^ $7$0, tempRet0 ^ $7$1, $7$0, $7$1) | 0;
+  return (tempRet0 = tempRet0, $10$0) | 0;
+}
+function ___remdi3($a$0, $a$1, $b$0, $b$1) {
+  $a$0 = $a$0 | 0;
+  $a$1 = $a$1 | 0;
+  $b$0 = $b$0 | 0;
+  $b$1 = $b$1 | 0;
+  var $rem = 0, $1$0 = 0, $1$1 = 0, $2$0 = 0, $2$1 = 0, $4$0 = 0, $4$1 = 0, $6$0 = 0, $10$0 = 0, $10$1 = 0, __stackBase__ = 0;
+  __stackBase__ = STACKTOP;
+  STACKTOP = STACKTOP + 8 | 0;
+  $rem = __stackBase__ | 0;
+  $1$0 = $a$1 >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
+  $1$1 = (($a$1 | 0) < 0 ? -1 : 0) >> 31 | (($a$1 | 0) < 0 ? -1 : 0) << 1;
+  $2$0 = $b$1 >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
+  $2$1 = (($b$1 | 0) < 0 ? -1 : 0) >> 31 | (($b$1 | 0) < 0 ? -1 : 0) << 1;
+  $4$0 = _i64Subtract($1$0 ^ $a$0, $1$1 ^ $a$1, $1$0, $1$1) | 0;
+  $4$1 = tempRet0;
+  $6$0 = _i64Subtract($2$0 ^ $b$0, $2$1 ^ $b$1, $2$0, $2$1) | 0;
+  ___udivmoddi4($4$0, $4$1, $6$0, tempRet0, $rem) | 0;
+  $10$0 = _i64Subtract(HEAP32[$rem >> 2] ^ $1$0, HEAP32[$rem + 4 >> 2] ^ $1$1, $1$0, $1$1) | 0;
+  $10$1 = tempRet0;
+  STACKTOP = __stackBase__;
+  return (tempRet0 = $10$1, $10$0) | 0;
+}
+function ___udivdi3($a$0, $a$1, $b$0, $b$1) {
+  $a$0 = $a$0 | 0;
+  $a$1 = $a$1 | 0;
+  $b$0 = $b$0 | 0;
+  $b$1 = $b$1 | 0;
+  var $1$0 = 0;
+  $1$0 = ___udivmoddi4($a$0, $a$1, $b$0, $b$1, 0) | 0;
+  return (tempRet0 = tempRet0, $1$0) | 0;
+}
+function ___uremdi3($a$0, $a$1, $b$0, $b$1) {
+  $a$0 = $a$0 | 0;
+  $a$1 = $a$1 | 0;
+  $b$0 = $b$0 | 0;
+  $b$1 = $b$1 | 0;
+  var $rem = 0, __stackBase__ = 0;
+  __stackBase__ = STACKTOP;
+  STACKTOP = STACKTOP + 8 | 0;
+  $rem = __stackBase__ | 0;
+  ___udivmoddi4($a$0, $a$1, $b$0, $b$1, $rem) | 0;
+  STACKTOP = __stackBase__;
+  return (tempRet0 = HEAP32[$rem + 4 >> 2] | 0, HEAP32[$rem >> 2] | 0) | 0;
+}
+function ___udivmoddi4($a$0, $a$1, $b$0, $b$1, $rem) {
+  $a$0 = $a$0 | 0;
+  $a$1 = $a$1 | 0;
+  $b$0 = $b$0 | 0;
+  $b$1 = $b$1 | 0;
+  $rem = $rem | 0;
+  var $n_sroa_0_0_extract_trunc = 0, $n_sroa_1_4_extract_shift$0 = 0, $n_sroa_1_4_extract_trunc = 0, $d_sroa_0_0_extract_trunc = 0, $d_sroa_1_4_extract_shift$0 = 0, $d_sroa_1_4_extract_trunc = 0, $4 = 0, $17 = 0, $37 = 0, $49 = 0, $51 = 0, $57 = 0, $58 = 0, $66 = 0, $78 = 0, $86 = 0, $88 = 0, $89 = 0, $91 = 0, $92 = 0, $95 = 0, $105 = 0, $117 = 0, $119 = 0, $125 = 0, $126 = 0, $130 = 0, $q_sroa_1_1_ph = 0, $q_sroa_0_1_ph = 0, $r_sroa_1_1_ph = 0, $r_sroa_0_1_ph = 0, $sr_1_ph = 0, $d_sroa_0_0_insert_insert99$0 = 0, $d_sroa_0_0_insert_insert99$1 = 0, $137$0 = 0, $137$1 = 0, $carry_0203 = 0, $sr_1202 = 0, $r_sroa_0_1201 = 0, $r_sroa_1_1200 = 0, $q_sroa_0_1199 = 0, $q_sroa_1_1198 = 0, $147 = 0, $149 = 0, $r_sroa_0_0_insert_insert42$0 = 0, $r_sroa_0_0_insert_insert42$1 = 0, $150$1 = 0, $151$0 = 0, $152 = 0, $154$0 = 0, $r_sroa_0_0_extract_trunc = 0, $r_sroa_1_4_extract_trunc = 0, $155 = 0, $carry_0_lcssa$0 = 0, $carry_0_lcssa$1 = 0, $r_sroa_0_1_lcssa = 0, $r_sroa_1_1_lcssa = 0, $q_sroa_0_1_lcssa = 0, $q_sroa_1_1_lcssa = 0, $q_sroa_0_0_insert_ext75$0 = 0, $q_sroa_0_0_insert_ext75$1 = 0, $q_sroa_0_0_insert_insert77$1 = 0, $_0$0 = 0, $_0$1 = 0;
+  $n_sroa_0_0_extract_trunc = $a$0;
+  $n_sroa_1_4_extract_shift$0 = $a$1;
+  $n_sroa_1_4_extract_trunc = $n_sroa_1_4_extract_shift$0;
+  $d_sroa_0_0_extract_trunc = $b$0;
+  $d_sroa_1_4_extract_shift$0 = $b$1;
+  $d_sroa_1_4_extract_trunc = $d_sroa_1_4_extract_shift$0;
+  if (($n_sroa_1_4_extract_trunc | 0) == 0) {
+    $4 = ($rem | 0) != 0;
+    if (($d_sroa_1_4_extract_trunc | 0) == 0) {
+      if ($4) {
+        HEAP32[$rem >> 2] = ($n_sroa_0_0_extract_trunc >>> 0) % ($d_sroa_0_0_extract_trunc >>> 0);
+        HEAP32[$rem + 4 >> 2] = 0;
+      }
+      $_0$1 = 0;
+      $_0$0 = ($n_sroa_0_0_extract_trunc >>> 0) / ($d_sroa_0_0_extract_trunc >>> 0) >>> 0;
+      return (tempRet0 = $_0$1, $_0$0) | 0;
+    } else {
+      if (!$4) {
+        $_0$1 = 0;
+        $_0$0 = 0;
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      }
+      HEAP32[$rem >> 2] = $a$0 & -1;
+      HEAP32[$rem + 4 >> 2] = $a$1 & 0;
+      $_0$1 = 0;
+      $_0$0 = 0;
+      return (tempRet0 = $_0$1, $_0$0) | 0;
+    }
+  }
+  $17 = ($d_sroa_1_4_extract_trunc | 0) == 0;
+  do {
+    if (($d_sroa_0_0_extract_trunc | 0) == 0) {
+      if ($17) {
+        if (($rem | 0) != 0) {
+          HEAP32[$rem >> 2] = ($n_sroa_1_4_extract_trunc >>> 0) % ($d_sroa_0_0_extract_trunc >>> 0);
+          HEAP32[$rem + 4 >> 2] = 0;
+        }
+        $_0$1 = 0;
+        $_0$0 = ($n_sroa_1_4_extract_trunc >>> 0) / ($d_sroa_0_0_extract_trunc >>> 0) >>> 0;
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      }
+      if (($n_sroa_0_0_extract_trunc | 0) == 0) {
+        if (($rem | 0) != 0) {
+          HEAP32[$rem >> 2] = 0;
+          HEAP32[$rem + 4 >> 2] = ($n_sroa_1_4_extract_trunc >>> 0) % ($d_sroa_1_4_extract_trunc >>> 0);
+        }
+        $_0$1 = 0;
+        $_0$0 = ($n_sroa_1_4_extract_trunc >>> 0) / ($d_sroa_1_4_extract_trunc >>> 0) >>> 0;
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      }
+      $37 = $d_sroa_1_4_extract_trunc - 1 | 0;
+      if (($37 & $d_sroa_1_4_extract_trunc | 0) == 0) {
+        if (($rem | 0) != 0) {
+          HEAP32[$rem >> 2] = 0 | $a$0 & -1;
+          HEAP32[$rem + 4 >> 2] = $37 & $n_sroa_1_4_extract_trunc | $a$1 & 0;
+        }
+        $_0$1 = 0;
+        $_0$0 = $n_sroa_1_4_extract_trunc >>> ((_llvm_cttz_i32($d_sroa_1_4_extract_trunc | 0) | 0) >>> 0);
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      }
+      $49 = _llvm_ctlz_i32($d_sroa_1_4_extract_trunc | 0) | 0;
+      $51 = $49 - (_llvm_ctlz_i32($n_sroa_1_4_extract_trunc | 0) | 0) | 0;
+      if ($51 >>> 0 <= 30) {
+        $57 = $51 + 1 | 0;
+        $58 = 31 - $51 | 0;
+        $sr_1_ph = $57;
+        $r_sroa_0_1_ph = $n_sroa_1_4_extract_trunc << $58 | $n_sroa_0_0_extract_trunc >>> ($57 >>> 0);
+        $r_sroa_1_1_ph = $n_sroa_1_4_extract_trunc >>> ($57 >>> 0);
+        $q_sroa_0_1_ph = 0;
+        $q_sroa_1_1_ph = $n_sroa_0_0_extract_trunc << $58;
+        break;
+      }
+      if (($rem | 0) == 0) {
+        $_0$1 = 0;
+        $_0$0 = 0;
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      }
+      HEAP32[$rem >> 2] = 0 | $a$0 & -1;
+      HEAP32[$rem + 4 >> 2] = $n_sroa_1_4_extract_shift$0 | $a$1 & 0;
+      $_0$1 = 0;
+      $_0$0 = 0;
+      return (tempRet0 = $_0$1, $_0$0) | 0;
+    } else {
+      if (!$17) {
+        $117 = _llvm_ctlz_i32($d_sroa_1_4_extract_trunc | 0) | 0;
+        $119 = $117 - (_llvm_ctlz_i32($n_sroa_1_4_extract_trunc | 0) | 0) | 0;
+        if ($119 >>> 0 <= 31) {
+          $125 = $119 + 1 | 0;
+          $126 = 31 - $119 | 0;
+          $130 = $119 - 31 >> 31;
+          $sr_1_ph = $125;
+          $r_sroa_0_1_ph = $n_sroa_0_0_extract_trunc >>> ($125 >>> 0) & $130 | $n_sroa_1_4_extract_trunc << $126;
+          $r_sroa_1_1_ph = $n_sroa_1_4_extract_trunc >>> ($125 >>> 0) & $130;
+          $q_sroa_0_1_ph = 0;
+          $q_sroa_1_1_ph = $n_sroa_0_0_extract_trunc << $126;
+          break;
+        }
+        if (($rem | 0) == 0) {
+          $_0$1 = 0;
+          $_0$0 = 0;
+          return (tempRet0 = $_0$1, $_0$0) | 0;
+        }
+        HEAP32[$rem >> 2] = 0 | $a$0 & -1;
+        HEAP32[$rem + 4 >> 2] = $n_sroa_1_4_extract_shift$0 | $a$1 & 0;
+        $_0$1 = 0;
+        $_0$0 = 0;
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      }
+      $66 = $d_sroa_0_0_extract_trunc - 1 | 0;
+      if (($66 & $d_sroa_0_0_extract_trunc | 0) != 0) {
+        $86 = (_llvm_ctlz_i32($d_sroa_0_0_extract_trunc | 0) | 0) + 33 | 0;
+        $88 = $86 - (_llvm_ctlz_i32($n_sroa_1_4_extract_trunc | 0) | 0) | 0;
+        $89 = 64 - $88 | 0;
+        $91 = 32 - $88 | 0;
+        $92 = $91 >> 31;
+        $95 = $88 - 32 | 0;
+        $105 = $95 >> 31;
+        $sr_1_ph = $88;
+        $r_sroa_0_1_ph = $91 - 1 >> 31 & $n_sroa_1_4_extract_trunc >>> ($95 >>> 0) | ($n_sroa_1_4_extract_trunc << $91 | $n_sroa_0_0_extract_trunc >>> ($88 >>> 0)) & $105;
+        $r_sroa_1_1_ph = $105 & $n_sroa_1_4_extract_trunc >>> ($88 >>> 0);
+        $q_sroa_0_1_ph = $n_sroa_0_0_extract_trunc << $89 & $92;
+        $q_sroa_1_1_ph = ($n_sroa_1_4_extract_trunc << $89 | $n_sroa_0_0_extract_trunc >>> ($95 >>> 0)) & $92 | $n_sroa_0_0_extract_trunc << $91 & $88 - 33 >> 31;
+        break;
+      }
+      if (($rem | 0) != 0) {
+        HEAP32[$rem >> 2] = $66 & $n_sroa_0_0_extract_trunc;
+        HEAP32[$rem + 4 >> 2] = 0;
+      }
+      if (($d_sroa_0_0_extract_trunc | 0) == 1) {
+        $_0$1 = $n_sroa_1_4_extract_shift$0 | $a$1 & 0;
+        $_0$0 = 0 | $a$0 & -1;
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      } else {
+        $78 = _llvm_cttz_i32($d_sroa_0_0_extract_trunc | 0) | 0;
+        $_0$1 = 0 | $n_sroa_1_4_extract_trunc >>> ($78 >>> 0);
+        $_0$0 = $n_sroa_1_4_extract_trunc << 32 - $78 | $n_sroa_0_0_extract_trunc >>> ($78 >>> 0) | 0;
+        return (tempRet0 = $_0$1, $_0$0) | 0;
+      }
+    }
+  } while (0);
+  if (($sr_1_ph | 0) == 0) {
+    $q_sroa_1_1_lcssa = $q_sroa_1_1_ph;
+    $q_sroa_0_1_lcssa = $q_sroa_0_1_ph;
+    $r_sroa_1_1_lcssa = $r_sroa_1_1_ph;
+    $r_sroa_0_1_lcssa = $r_sroa_0_1_ph;
+    $carry_0_lcssa$1 = 0;
+    $carry_0_lcssa$0 = 0;
+  } else {
+    $d_sroa_0_0_insert_insert99$0 = 0 | $b$0 & -1;
+    $d_sroa_0_0_insert_insert99$1 = $d_sroa_1_4_extract_shift$0 | $b$1 & 0;
+    $137$0 = _i64Add($d_sroa_0_0_insert_insert99$0, $d_sroa_0_0_insert_insert99$1, -1, -1) | 0;
+    $137$1 = tempRet0;
+    $q_sroa_1_1198 = $q_sroa_1_1_ph;
+    $q_sroa_0_1199 = $q_sroa_0_1_ph;
+    $r_sroa_1_1200 = $r_sroa_1_1_ph;
+    $r_sroa_0_1201 = $r_sroa_0_1_ph;
+    $sr_1202 = $sr_1_ph;
+    $carry_0203 = 0;
+    while (1) {
+      $147 = $q_sroa_0_1199 >>> 31 | $q_sroa_1_1198 << 1;
+      $149 = $carry_0203 | $q_sroa_0_1199 << 1;
+      $r_sroa_0_0_insert_insert42$0 = 0 | ($r_sroa_0_1201 << 1 | $q_sroa_1_1198 >>> 31);
+      $r_sroa_0_0_insert_insert42$1 = $r_sroa_0_1201 >>> 31 | $r_sroa_1_1200 << 1 | 0;
+      _i64Subtract($137$0, $137$1, $r_sroa_0_0_insert_insert42$0, $r_sroa_0_0_insert_insert42$1) | 0;
+      $150$1 = tempRet0;
+      $151$0 = $150$1 >> 31 | (($150$1 | 0) < 0 ? -1 : 0) << 1;
+      $152 = $151$0 & 1;
+      $154$0 = _i64Subtract($r_sroa_0_0_insert_insert42$0, $r_sroa_0_0_insert_insert42$1, $151$0 & $d_sroa_0_0_insert_insert99$0, ((($150$1 | 0) < 0 ? -1 : 0) >> 31 | (($150$1 | 0) < 0 ? -1 : 0) << 1) & $d_sroa_0_0_insert_insert99$1) | 0;
+      $r_sroa_0_0_extract_trunc = $154$0;
+      $r_sroa_1_4_extract_trunc = tempRet0;
+      $155 = $sr_1202 - 1 | 0;
+      if (($155 | 0) == 0) {
+        break;
+      } else {
+        $q_sroa_1_1198 = $147;
+        $q_sroa_0_1199 = $149;
+        $r_sroa_1_1200 = $r_sroa_1_4_extract_trunc;
+        $r_sroa_0_1201 = $r_sroa_0_0_extract_trunc;
+        $sr_1202 = $155;
+        $carry_0203 = $152;
+      }
+    }
+    $q_sroa_1_1_lcssa = $147;
+    $q_sroa_0_1_lcssa = $149;
+    $r_sroa_1_1_lcssa = $r_sroa_1_4_extract_trunc;
+    $r_sroa_0_1_lcssa = $r_sroa_0_0_extract_trunc;
+    $carry_0_lcssa$1 = 0;
+    $carry_0_lcssa$0 = $152;
+  }
+  $q_sroa_0_0_insert_ext75$0 = $q_sroa_0_1_lcssa;
+  $q_sroa_0_0_insert_ext75$1 = 0;
+  $q_sroa_0_0_insert_insert77$1 = $q_sroa_1_1_lcssa | $q_sroa_0_0_insert_ext75$1;
+  if (($rem | 0) != 0) {
+    HEAP32[$rem >> 2] = 0 | $r_sroa_0_1_lcssa;
+    HEAP32[$rem + 4 >> 2] = $r_sroa_1_1_lcssa | 0;
+  }
+  $_0$1 = (0 | $q_sroa_0_0_insert_ext75$0) >>> 31 | $q_sroa_0_0_insert_insert77$1 << 1 | ($q_sroa_0_0_insert_ext75$1 << 1 | $q_sroa_0_0_insert_ext75$0 >>> 31) & 0 | $carry_0_lcssa$1;
+  $_0$0 = ($q_sroa_0_0_insert_ext75$0 << 1 | 0 >>> 31) & -2 | $carry_0_lcssa$0;
+  return (tempRet0 = $_0$1, $_0$0) | 0;
+}
+// =======================================================================
+