Constant-propogate 0+x and x+0 after bounds

After     | File Name                                    | Before    || Change    | % Change
--------------------------------------------------------------------------------------------
21m22.67s | Total                                        | 21m28.24s || -0m05.56s | -0.43%
--------------------------------------------------------------------------------------------
4m09.95s  | PushButtonSynthesis.vo                       | 4m14.76s  || -0m04.81s | -1.88%
3m07.95s  | p384_32.c                                    | 3m11.17s  || -0m03.21s | -1.68%
2m06.43s  | Rewriter.vo                                  | 2m06.15s  || +0m00.28s | +0.22%
1m55.83s  | RewriterWf2.vo                               | 1m56.15s  || -0m00.32s | -0.27%
1m52.36s  | RewriterRulesGood.vo                         | 1m52.34s  || +0m00.01s | +0.01%
1m46.52s  | RewriterRulesInterpGood.vo                   | 1m45.70s  || +0m00.82s | +0.77%
0m46.56s  | RewriterInterpProofs1.vo                     | 0m46.72s  || -0m00.15s | -0.34%
0m45.04s  | ExtractionHaskell/word_by_word_montgomery    | 0m45.33s  || -0m00.28s | -0.63%
0m39.17s  | p521_32.c                                    | 0m39.07s  || +0m00.10s | +0.25%
0m32.40s  | p521_64.c                                    | 0m32.64s  || -0m00.24s | -0.73%
0m31.13s  | ExtractionHaskell/unsaturated_solinas        | 0m30.88s  || +0m00.25s | +0.80%
0m24.20s  | ExtractionHaskell/saturated_solinas          | 0m24.27s  || -0m00.07s | -0.28%
0m23.72s  | RewriterWf1.vo                               | 0m23.42s  || +0m00.29s | +1.28%
0m17.52s  | ExtractionOCaml/word_by_word_montgomery      | 0m17.10s  || +0m00.41s | +2.45%
0m13.39s  | secp256k1_32.c                               | 0m13.29s  || +0m00.10s | +0.75%
0m13.08s  | p256_32.c                                    | 0m13.26s  || -0m00.17s | -1.35%
0m11.49s  | p484_64.c                                    | 0m11.18s  || +0m00.31s | +2.77%
0m10.68s  | ExtractionOCaml/unsaturated_solinas          | 0m10.64s  || +0m00.03s | +0.37%
0m10.11s  | ExtractionOCaml/word_by_word_montgomery.ml   | 0m10.10s  || +0m00.00s | +0.09%
0m07.96s  | ExtractionOCaml/saturated_solinas            | 0m07.95s  || +0m00.00s | +0.12%
0m06.81s  | ExtractionOCaml/unsaturated_solinas.ml       | 0m06.76s  || +0m00.04s | +0.73%
0m06.30s  | ExtractionHaskell/word_by_word_montgomery.hs | 0m06.26s  || +0m00.04s | +0.63%
0m06.07s  | p224_32.c                                    | 0m05.94s  || +0m00.12s | +2.18%
0m06.06s  | BoundsPipeline.vo                            | 0m06.08s  || -0m00.02s | -0.32%
0m05.46s  | p384_64.c                                    | 0m05.30s  || +0m00.16s | +3.01%
0m05.28s  | ExtractionOCaml/saturated_solinas.ml         | 0m05.18s  || +0m00.10s | +1.93%
0m04.97s  | ExtractionHaskell/unsaturated_solinas.hs     | 0m04.99s  || -0m00.02s | -0.40%
0m04.13s  | ExtractionHaskell/saturated_solinas.hs       | 0m04.10s  || +0m00.03s | +0.73%
0m02.34s  | curve25519_32.c                              | 0m02.21s  || +0m00.12s | +5.88%
0m01.59s  | curve25519_64.c                              | 0m01.47s  || +0m00.12s | +8.16%
0m01.46s  | CLI.vo                                       | 0m01.48s  || -0m00.02s | -1.35%
0m01.15s  | secp256k1_64.c                               | 0m01.03s  || +0m00.11s | +11.65%
0m01.14s  | RewriterProofs.vo                            | 0m01.13s  || +0m00.01s | +0.88%
0m01.14s  | StandaloneHaskellMain.vo                     | 0m01.09s  || +0m00.04s | +4.58%
0m01.14s  | StandaloneOCamlMain.vo                       | 0m01.12s  || +0m00.01s | +1.78%
0m01.09s  | p256_64.c                                    | 0m00.98s  || +0m00.11s | +11.22%
0m01.06s  | p224_64.c                                    | 0m01.00s  || +0m00.06s | +6.00%

1 files changed, 117 insertions, 121 deletions

diff --git a/p521_64.c b/p521_64.c
index 08ba9e1b7..503368e0d 100644
--- a/p521_64.c
+++ b/p521_64.c
@@ -647,70 +647,70 @@ static void fiat_p521_to_bytes(uint8_t out1[66], const uint64_t arg1[9]) {
   uint8_t x101 = (uint8_t)(x99 >> 8);
   uint8_t x102 = (uint8_t)(x99 & UINT8_C(0xff));
   uint8_t x103 = (uint8_t)(x101 & UINT8_C(0xff));
-  uint64_t x104 = (0x0 + x28);
-  uint64_t x105 = (x104 >> 8);
-  uint8_t x106 = (uint8_t)(x104 & UINT8_C(0xff));
-  uint64_t x107 = (x105 >> 8);
-  uint8_t x108 = (uint8_t)(x105 & UINT8_C(0xff));
-  uint64_t x109 = (x107 >> 8);
-  uint8_t x110 = (uint8_t)(x107 & UINT8_C(0xff));
-  uint64_t x111 = (x109 >> 8);
-  uint8_t x112 = (uint8_t)(x109 & UINT8_C(0xff));
-  uint64_t x113 = (x111 >> 8);
-  uint8_t x114 = (uint8_t)(x111 & UINT8_C(0xff));
-  uint64_t x115 = (x113 >> 8);
-  uint8_t x116 = (uint8_t)(x113 & UINT8_C(0xff));
-  uint8_t x117 = (uint8_t)(x115 >> 8);
-  uint8_t x118 = (uint8_t)(x115 & UINT8_C(0xff));
-  uint64_t x119 = (x117 + x40);
-  uint64_t x120 = (x119 >> 8);
-  uint8_t x121 = (uint8_t)(x119 & UINT8_C(0xff));
-  uint64_t x122 = (x120 >> 8);
-  uint8_t x123 = (uint8_t)(x120 & UINT8_C(0xff));
-  uint64_t x124 = (x122 >> 8);
-  uint8_t x125 = (uint8_t)(x122 & UINT8_C(0xff));
-  uint64_t x126 = (x124 >> 8);
-  uint8_t x127 = (uint8_t)(x124 & UINT8_C(0xff));
-  uint64_t x128 = (x126 >> 8);
-  uint8_t x129 = (uint8_t)(x126 & UINT8_C(0xff));
-  uint64_t x130 = (x128 >> 8);
-  uint8_t x131 = (uint8_t)(x128 & UINT8_C(0xff));
-  uint8_t x132 = (uint8_t)(x130 >> 8);
-  uint8_t x133 = (uint8_t)(x130 & UINT8_C(0xff));
-  uint64_t x134 = (x132 + x39);
-  uint64_t x135 = (x134 >> 8);
-  uint8_t x136 = (uint8_t)(x134 & UINT8_C(0xff));
-  uint64_t x137 = (x135 >> 8);
-  uint8_t x138 = (uint8_t)(x135 & UINT8_C(0xff));
-  uint64_t x139 = (x137 >> 8);
-  uint8_t x140 = (uint8_t)(x137 & UINT8_C(0xff));
-  uint64_t x141 = (x139 >> 8);
-  uint8_t x142 = (uint8_t)(x139 & UINT8_C(0xff));
-  uint64_t x143 = (x141 >> 8);
-  uint8_t x144 = (uint8_t)(x141 & UINT8_C(0xff));
-  uint64_t x145 = (x143 >> 8);
-  uint8_t x146 = (uint8_t)(x143 & UINT8_C(0xff));
-  uint8_t x147 = (uint8_t)(x145 >> 8);
-  uint8_t x148 = (uint8_t)(x145 & UINT8_C(0xff));
-  uint64_t x149 = (x147 + x38);
-  uint64_t x150 = (x149 >> 8);
-  uint8_t x151 = (uint8_t)(x149 & UINT8_C(0xff));
-  uint64_t x152 = (x150 >> 8);
-  uint8_t x153 = (uint8_t)(x150 & UINT8_C(0xff));
-  uint64_t x154 = (x152 >> 8);
-  uint8_t x155 = (uint8_t)(x152 & UINT8_C(0xff));
-  uint64_t x156 = (x154 >> 8);
-  uint8_t x157 = (uint8_t)(x154 & UINT8_C(0xff));
-  uint64_t x158 = (x156 >> 8);
-  uint8_t x159 = (uint8_t)(x156 & UINT8_C(0xff));
-  uint64_t x160 = (x158 >> 8);
-  uint8_t x161 = (uint8_t)(x158 & UINT8_C(0xff));
-  uint8_t x162 = (uint8_t)(x160 >> 8);
-  uint8_t x163 = (uint8_t)(x160 & UINT8_C(0xff));
-  uint8_t x164 = (uint8_t)(x162 & UINT8_C(0xff));
-  uint64_t x165 = (0x0 + x36);
-  uint64_t x166 = (x165 >> 8);
-  uint8_t x167 = (uint8_t)(x165 & UINT8_C(0xff));
+  uint64_t x104 = (x28 >> 8);
+  uint8_t x105 = (uint8_t)(x28 & UINT8_C(0xff));
+  uint64_t x106 = (x104 >> 8);
+  uint8_t x107 = (uint8_t)(x104 & UINT8_C(0xff));
+  uint64_t x108 = (x106 >> 8);
+  uint8_t x109 = (uint8_t)(x106 & UINT8_C(0xff));
+  uint64_t x110 = (x108 >> 8);
+  uint8_t x111 = (uint8_t)(x108 & UINT8_C(0xff));
+  uint64_t x112 = (x110 >> 8);
+  uint8_t x113 = (uint8_t)(x110 & UINT8_C(0xff));
+  uint64_t x114 = (x112 >> 8);
+  uint8_t x115 = (uint8_t)(x112 & UINT8_C(0xff));
+  uint8_t x116 = (uint8_t)(x114 >> 8);
+  uint8_t x117 = (uint8_t)(x114 & UINT8_C(0xff));
+  uint64_t x118 = (x116 + x40);
+  uint64_t x119 = (x118 >> 8);
+  uint8_t x120 = (uint8_t)(x118 & UINT8_C(0xff));
+  uint64_t x121 = (x119 >> 8);
+  uint8_t x122 = (uint8_t)(x119 & UINT8_C(0xff));
+  uint64_t x123 = (x121 >> 8);
+  uint8_t x124 = (uint8_t)(x121 & UINT8_C(0xff));
+  uint64_t x125 = (x123 >> 8);
+  uint8_t x126 = (uint8_t)(x123 & UINT8_C(0xff));
+  uint64_t x127 = (x125 >> 8);
+  uint8_t x128 = (uint8_t)(x125 & UINT8_C(0xff));
+  uint64_t x129 = (x127 >> 8);
+  uint8_t x130 = (uint8_t)(x127 & UINT8_C(0xff));
+  uint8_t x131 = (uint8_t)(x129 >> 8);
+  uint8_t x132 = (uint8_t)(x129 & UINT8_C(0xff));
+  uint64_t x133 = (x131 + x39);
+  uint64_t x134 = (x133 >> 8);
+  uint8_t x135 = (uint8_t)(x133 & UINT8_C(0xff));
+  uint64_t x136 = (x134 >> 8);
+  uint8_t x137 = (uint8_t)(x134 & UINT8_C(0xff));
+  uint64_t x138 = (x136 >> 8);
+  uint8_t x139 = (uint8_t)(x136 & UINT8_C(0xff));
+  uint64_t x140 = (x138 >> 8);
+  uint8_t x141 = (uint8_t)(x138 & UINT8_C(0xff));
+  uint64_t x142 = (x140 >> 8);
+  uint8_t x143 = (uint8_t)(x140 & UINT8_C(0xff));
+  uint64_t x144 = (x142 >> 8);
+  uint8_t x145 = (uint8_t)(x142 & UINT8_C(0xff));
+  uint8_t x146 = (uint8_t)(x144 >> 8);
+  uint8_t x147 = (uint8_t)(x144 & UINT8_C(0xff));
+  uint64_t x148 = (x146 + x38);
+  uint64_t x149 = (x148 >> 8);
+  uint8_t x150 = (uint8_t)(x148 & UINT8_C(0xff));
+  uint64_t x151 = (x149 >> 8);
+  uint8_t x152 = (uint8_t)(x149 & UINT8_C(0xff));
+  uint64_t x153 = (x151 >> 8);
+  uint8_t x154 = (uint8_t)(x151 & UINT8_C(0xff));
+  uint64_t x155 = (x153 >> 8);
+  uint8_t x156 = (uint8_t)(x153 & UINT8_C(0xff));
+  uint64_t x157 = (x155 >> 8);
+  uint8_t x158 = (uint8_t)(x155 & UINT8_C(0xff));
+  uint64_t x159 = (x157 >> 8);
+  uint8_t x160 = (uint8_t)(x157 & UINT8_C(0xff));
+  uint8_t x161 = (uint8_t)(x159 >> 8);
+  uint8_t x162 = (uint8_t)(x159 & UINT8_C(0xff));
+  uint8_t x163 = (uint8_t)(x161 & UINT8_C(0xff));
+  uint64_t x164 = (x36 >> 8);
+  uint8_t x165 = (uint8_t)(x36 & UINT8_C(0xff));
+  uint64_t x166 = (x164 >> 8);
+  uint8_t x167 = (uint8_t)(x164 & UINT8_C(0xff));
   uint64_t x168 = (x166 >> 8);
   uint8_t x169 = (uint8_t)(x166 & UINT8_C(0xff));
   uint64_t x170 = (x168 >> 8);
@@ -719,10 +719,8 @@ static void fiat_p521_to_bytes(uint8_t out1[66], const uint64_t arg1[9]) {
   uint8_t x173 = (uint8_t)(x170 & UINT8_C(0xff));
   uint64_t x174 = (x172 >> 8);
   uint8_t x175 = (uint8_t)(x172 & UINT8_C(0xff));
-  uint64_t x176 = (x174 >> 8);
+  fiat_p521_uint1 x176 = (fiat_p521_uint1)(x174 >> 8);
   uint8_t x177 = (uint8_t)(x174 & UINT8_C(0xff));
-  fiat_p521_uint1 x178 = (fiat_p521_uint1)(x176 >> 8);
-  uint8_t x179 = (uint8_t)(x176 & UINT8_C(0xff));
   out1[0] = x45;
   out1[1] = x47;
   out1[2] = x49;
@@ -752,43 +750,43 @@ static void fiat_p521_to_bytes(uint8_t out1[66], const uint64_t arg1[9]) {
   out1[26] = x100;
   out1[27] = x102;
   out1[28] = x103;
-  out1[29] = x106;
-  out1[30] = x108;
-  out1[31] = x110;
-  out1[32] = x112;
-  out1[33] = x114;
-  out1[34] = x116;
-  out1[35] = x118;
-  out1[36] = x121;
-  out1[37] = x123;
-  out1[38] = x125;
-  out1[39] = x127;
-  out1[40] = x129;
-  out1[41] = x131;
-  out1[42] = x133;
-  out1[43] = x136;
-  out1[44] = x138;
-  out1[45] = x140;
-  out1[46] = x142;
-  out1[47] = x144;
-  out1[48] = x146;
-  out1[49] = x148;
-  out1[50] = x151;
-  out1[51] = x153;
-  out1[52] = x155;
-  out1[53] = x157;
-  out1[54] = x159;
-  out1[55] = x161;
-  out1[56] = x163;
-  out1[57] = x164;
-  out1[58] = x167;
-  out1[59] = x169;
-  out1[60] = x171;
-  out1[61] = x173;
-  out1[62] = x175;
-  out1[63] = x177;
-  out1[64] = x179;
-  out1[65] = x178;
+  out1[29] = x105;
+  out1[30] = x107;
+  out1[31] = x109;
+  out1[32] = x111;
+  out1[33] = x113;
+  out1[34] = x115;
+  out1[35] = x117;
+  out1[36] = x120;
+  out1[37] = x122;
+  out1[38] = x124;
+  out1[39] = x126;
+  out1[40] = x128;
+  out1[41] = x130;
+  out1[42] = x132;
+  out1[43] = x135;
+  out1[44] = x137;
+  out1[45] = x139;
+  out1[46] = x141;
+  out1[47] = x143;
+  out1[48] = x145;
+  out1[49] = x147;
+  out1[50] = x150;
+  out1[51] = x152;
+  out1[52] = x154;
+  out1[53] = x156;
+  out1[54] = x158;
+  out1[55] = x160;
+  out1[56] = x162;
+  out1[57] = x163;
+  out1[58] = x165;
+  out1[59] = x167;
+  out1[60] = x169;
+  out1[61] = x171;
+  out1[62] = x173;
+  out1[63] = x175;
+  out1[64] = x177;
+  out1[65] = x176;
 }
 
 /*
@@ -883,26 +881,24 @@ static void fiat_p521_from_bytes(uint64_t out1[9], const uint8_t arg1[66]) {
   uint64_t x83 = (x81 & UINT64_C(0x3ffffffffffffff));
   uint64_t x84 = (x82 + x75);
   uint64_t x85 = (x84 & UINT64_C(0x3ffffffffffffff));
-  uint64_t x86 = (0x0 + x74);
-  uint8_t x87 = (uint8_t)(x86 >> 58);
-  uint64_t x88 = (x86 & UINT64_C(0x3ffffffffffffff));
-  uint64_t x89 = (x87 + x73);
-  uint8_t x90 = (uint8_t)(x89 >> 58);
-  uint64_t x91 = (x89 & UINT64_C(0x3ffffffffffffff));
-  uint64_t x92 = (x90 + x72);
-  uint8_t x93 = (uint8_t)(x92 >> 58);
-  uint64_t x94 = (x92 & UINT64_C(0x3ffffffffffffff));
-  uint64_t x95 = (x93 + x71);
-  uint64_t x96 = (x95 & UINT64_C(0x3ffffffffffffff));
-  uint64_t x97 = (0x0 + x70);
+  uint8_t x86 = (uint8_t)(x74 >> 58);
+  uint64_t x87 = (x74 & UINT64_C(0x3ffffffffffffff));
+  uint64_t x88 = (x86 + x73);
+  uint8_t x89 = (uint8_t)(x88 >> 58);
+  uint64_t x90 = (x88 & UINT64_C(0x3ffffffffffffff));
+  uint64_t x91 = (x89 + x72);
+  uint8_t x92 = (uint8_t)(x91 >> 58);
+  uint64_t x93 = (x91 & UINT64_C(0x3ffffffffffffff));
+  uint64_t x94 = (x92 + x71);
+  uint64_t x95 = (x94 & UINT64_C(0x3ffffffffffffff));
   out1[0] = x69;
   out1[1] = x80;
   out1[2] = x83;
   out1[3] = x85;
-  out1[4] = x88;
-  out1[5] = x91;
-  out1[6] = x94;
-  out1[7] = x96;
-  out1[8] = x97;
+  out1[4] = x87;
+  out1[5] = x90;
+  out1[6] = x93;
+  out1[7] = x95;
+  out1[8] = x70;
 }