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, 67 insertions, 69 deletions

diff --git a/curve25519_32.c b/curve25519_32.c
index 508141786..820a5c9bb 100644
--- a/curve25519_32.c
+++ b/curve25519_32.c
@@ -749,41 +749,40 @@ static void fiat_25519_to_bytes(uint8_t out1[32], const uint32_t arg1[10]) {
   uint8_t x82 = (uint8_t)(x80 >> 8);
   uint8_t x83 = (uint8_t)(x80 & UINT8_C(0xff));
   uint8_t x84 = (uint8_t)(x82 & UINT8_C(0xff));
-  uint32_t x85 = (0x0 + x32);
-  uint32_t x86 = (x85 >> 8);
-  uint8_t x87 = (uint8_t)(x85 & UINT8_C(0xff));
-  uint32_t x88 = (x86 >> 8);
-  uint8_t x89 = (uint8_t)(x86 & UINT8_C(0xff));
-  fiat_25519_uint1 x90 = (fiat_25519_uint1)(x88 >> 8);
-  uint8_t x91 = (uint8_t)(x88 & UINT8_C(0xff));
-  uint32_t x92 = (x90 + x45);
-  uint32_t x93 = (x92 >> 8);
-  uint8_t x94 = (uint8_t)(x92 & UINT8_C(0xff));
-  uint32_t x95 = (x93 >> 8);
-  uint8_t x96 = (uint8_t)(x93 & UINT8_C(0xff));
-  uint8_t x97 = (uint8_t)(x95 >> 8);
-  uint8_t x98 = (uint8_t)(x95 & UINT8_C(0xff));
-  uint32_t x99 = (x97 + x44);
-  uint32_t x100 = (x99 >> 8);
-  uint8_t x101 = (uint8_t)(x99 & UINT8_C(0xff));
-  uint32_t x102 = (x100 >> 8);
-  uint8_t x103 = (uint8_t)(x100 & UINT8_C(0xff));
-  uint8_t x104 = (uint8_t)(x102 >> 8);
-  uint8_t x105 = (uint8_t)(x102 & UINT8_C(0xff));
-  uint32_t x106 = (x104 + x43);
-  uint32_t x107 = (x106 >> 8);
-  uint8_t x108 = (uint8_t)(x106 & UINT8_C(0xff));
-  uint32_t x109 = (x107 >> 8);
-  uint8_t x110 = (uint8_t)(x107 & UINT8_C(0xff));
-  uint8_t x111 = (uint8_t)(x109 >> 8);
-  uint8_t x112 = (uint8_t)(x109 & UINT8_C(0xff));
-  uint32_t x113 = (x111 + x42);
-  uint32_t x114 = (x113 >> 8);
-  uint8_t x115 = (uint8_t)(x113 & UINT8_C(0xff));
-  uint32_t x116 = (x114 >> 8);
-  uint8_t x117 = (uint8_t)(x114 & UINT8_C(0xff));
-  uint8_t x118 = (uint8_t)(x116 >> 8);
-  uint8_t x119 = (uint8_t)(x116 & UINT8_C(0xff));
+  uint32_t x85 = (x32 >> 8);
+  uint8_t x86 = (uint8_t)(x32 & UINT8_C(0xff));
+  uint32_t x87 = (x85 >> 8);
+  uint8_t x88 = (uint8_t)(x85 & UINT8_C(0xff));
+  fiat_25519_uint1 x89 = (fiat_25519_uint1)(x87 >> 8);
+  uint8_t x90 = (uint8_t)(x87 & UINT8_C(0xff));
+  uint32_t x91 = (x89 + x45);
+  uint32_t x92 = (x91 >> 8);
+  uint8_t x93 = (uint8_t)(x91 & UINT8_C(0xff));
+  uint32_t x94 = (x92 >> 8);
+  uint8_t x95 = (uint8_t)(x92 & UINT8_C(0xff));
+  uint8_t x96 = (uint8_t)(x94 >> 8);
+  uint8_t x97 = (uint8_t)(x94 & UINT8_C(0xff));
+  uint32_t x98 = (x96 + x44);
+  uint32_t x99 = (x98 >> 8);
+  uint8_t x100 = (uint8_t)(x98 & UINT8_C(0xff));
+  uint32_t x101 = (x99 >> 8);
+  uint8_t x102 = (uint8_t)(x99 & UINT8_C(0xff));
+  uint8_t x103 = (uint8_t)(x101 >> 8);
+  uint8_t x104 = (uint8_t)(x101 & UINT8_C(0xff));
+  uint32_t x105 = (x103 + x43);
+  uint32_t x106 = (x105 >> 8);
+  uint8_t x107 = (uint8_t)(x105 & UINT8_C(0xff));
+  uint32_t x108 = (x106 >> 8);
+  uint8_t x109 = (uint8_t)(x106 & UINT8_C(0xff));
+  uint8_t x110 = (uint8_t)(x108 >> 8);
+  uint8_t x111 = (uint8_t)(x108 & UINT8_C(0xff));
+  uint32_t x112 = (x110 + x42);
+  uint32_t x113 = (x112 >> 8);
+  uint8_t x114 = (uint8_t)(x112 & UINT8_C(0xff));
+  uint32_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));
   out1[0] = x51;
   out1[1] = x53;
   out1[2] = x55;
@@ -800,22 +799,22 @@ static void fiat_25519_to_bytes(uint8_t out1[32], const uint32_t arg1[10]) {
   out1[13] = x81;
   out1[14] = x83;
   out1[15] = x84;
-  out1[16] = x87;
-  out1[17] = x89;
-  out1[18] = x91;
-  out1[19] = x94;
-  out1[20] = x96;
-  out1[21] = x98;
-  out1[22] = x101;
-  out1[23] = x103;
-  out1[24] = x105;
-  out1[25] = x108;
-  out1[26] = x110;
-  out1[27] = x112;
-  out1[28] = x115;
-  out1[29] = x117;
-  out1[30] = x119;
-  out1[31] = x118;
+  out1[16] = x86;
+  out1[17] = x88;
+  out1[18] = x90;
+  out1[19] = x93;
+  out1[20] = x95;
+  out1[21] = x97;
+  out1[22] = x100;
+  out1[23] = x102;
+  out1[24] = x104;
+  out1[25] = x107;
+  out1[26] = x109;
+  out1[27] = x111;
+  out1[28] = x114;
+  out1[29] = x116;
+  out1[30] = x118;
+  out1[31] = x117;
 }
 
 /*
@@ -880,28 +879,27 @@ static void fiat_25519_from_bytes(uint32_t out1[10], const uint8_t arg1[32]) {
   uint32_t x53 = (x51 & UINT32_C(0x1ffffff));
   uint32_t x54 = (x52 + x41);
   uint32_t x55 = (x54 & UINT32_C(0x3ffffff));
-  uint32_t x56 = (0x0 + x40);
-  uint8_t x57 = (uint8_t)(x56 >> 25);
-  uint32_t x58 = (x56 & UINT32_C(0x1ffffff));
-  uint32_t x59 = (x57 + x39);
-  uint8_t x60 = (uint8_t)(x59 >> 26);
-  uint32_t x61 = (x59 & UINT32_C(0x3ffffff));
-  uint32_t x62 = (x60 + x38);
-  uint8_t x63 = (uint8_t)(x62 >> 25);
-  uint32_t x64 = (x62 & UINT32_C(0x1ffffff));
-  uint32_t x65 = (x63 + x37);
-  uint8_t x66 = (uint8_t)(x65 >> 26);
-  uint32_t x67 = (x65 & UINT32_C(0x3ffffff));
-  uint32_t x68 = (x66 + x36);
+  uint8_t x56 = (uint8_t)(x40 >> 25);
+  uint32_t x57 = (x40 & UINT32_C(0x1ffffff));
+  uint32_t x58 = (x56 + x39);
+  uint8_t x59 = (uint8_t)(x58 >> 26);
+  uint32_t x60 = (x58 & UINT32_C(0x3ffffff));
+  uint32_t x61 = (x59 + x38);
+  uint8_t x62 = (uint8_t)(x61 >> 25);
+  uint32_t x63 = (x61 & UINT32_C(0x1ffffff));
+  uint32_t x64 = (x62 + x37);
+  uint8_t x65 = (uint8_t)(x64 >> 26);
+  uint32_t x66 = (x64 & UINT32_C(0x3ffffff));
+  uint32_t x67 = (x65 + x36);
   out1[0] = x35;
   out1[1] = x47;
   out1[2] = x50;
   out1[3] = x53;
   out1[4] = x55;
-  out1[5] = x58;
-  out1[6] = x61;
-  out1[7] = x64;
-  out1[8] = x67;
-  out1[9] = x68;
+  out1[5] = x57;
+  out1[6] = x60;
+  out1[7] = x63;
+  out1[8] = x66;
+  out1[9] = x67;
 }