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ARMv8 : handle aggressive optimizers

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This commit is contained in:
Jacob Barthelmeh
2016-11-23 15:44:53 -07:00
parent 8a8274d403
commit 2cbc6ed673
2 changed files with 28 additions and 21 deletions
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37
wolfcrypt/src/port/arm/armv8-aes.c
View File

@@ -527,8 +527,8 @@ int wc_InitAes_h(Aes* aes, void* h)
"#store current counter value at the end \n"
"ST1 {v0.2d}, %[regOut] \n"
:[out] "=r" (out), [regOut] "=m" (aes->reg)
:"0" (out), [Key] "m" (aes->key), [input] "r" (in),
:[out] "=r" (out), [regOut] "=m" (aes->reg), "=r" (in)
:"0" (out), [Key] "m" (aes->key), [input] "2" (in),
[blocks] "r" (numBlocks), [reg] "m" (aes->reg)
: "cc", "memory", "w11", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13"
@@ -584,8 +584,8 @@ int wc_InitAes_h(Aes* aes, void* h)
"ST1 {v0.2d}, %[regOut] \n"
:[out] "=r" (out), [regOut] "=m" (aes->reg)
:"0" (out), [Key] "m" (aes->key), [input] "r" (in),
:[out] "=r" (out), [regOut] "=m" (aes->reg), "=r" (in)
:"0" (out), [Key] "m" (aes->key), [input] "2" (in),
[blocks] "r" (numBlocks), [reg] "m" (aes->reg)
: "cc", "memory", "w11", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v14"
@@ -646,8 +646,8 @@ int wc_InitAes_h(Aes* aes, void* h)
"ST1 {v0.2d}, %[regOut] \n"
:[out] "=r" (out), [regOut] "=m" (aes->reg)
:"0" (out), [Key] "m" (aes->key), [input] "r" (in),
:[out] "=r" (out), [regOut] "=m" (aes->reg), "=r" (in)
:"0" (out), [Key] "m" (aes->key), [input] "2" (in),
[blocks] "r" (numBlocks), [reg] "m" (aes->reg)
: "cc", "memory", "w11", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v14","v15",
@@ -720,8 +720,8 @@ int wc_InitAes_h(Aes* aes, void* h)
"#store current counter value at the end \n"
"ST1 {v13.2d}, %[regOut] \n"
:[out] "=r" (out), [regOut] "=m" (aes->reg)
:"0" (out), [Key] "m" (aes->key), [input] "r" (in),
:[out] "=r" (out), [regOut] "=m" (aes->reg), "=r" (in)
:"0" (out), [Key] "m" (aes->key), [input] "2" (in),
[blocks] "r" (numBlocks), [reg] "m" (aes->reg)
: "cc", "memory", "w11", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13"
@@ -778,8 +778,8 @@ int wc_InitAes_h(Aes* aes, void* h)
"#store current counter value at the end \n"
"ST1 {v15.2d}, %[regOut] \n"
:[out] "=r" (out), [regOut] "=m" (aes->reg)
:"0" (out), [Key] "m" (aes->key), [input] "r" (in),
:[out] "=r" (out), [regOut] "=m" (aes->reg), "=r" (in)
:"0" (out), [Key] "m" (aes->key), [input] "2" (in),
[blocks] "r" (numBlocks), [reg] "m" (aes->reg)
: "cc", "memory", "w11", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
@@ -840,8 +840,8 @@ int wc_InitAes_h(Aes* aes, void* h)
"#store current counter value at the end \n"
"ST1 {v17.2d}, %[regOut] \n"
:[out] "=r" (out), [regOut] "=m" (aes->reg)
:"0" (out), [Key] "m" (aes->key), [input] "r" (in),
:[out] "=r" (out), [regOut] "=m" (aes->reg), "=r" (in)
:"0" (out), [Key] "m" (aes->key), [input] "2" (in),
[blocks] "r" (numBlocks), [reg] "m" (aes->reg)
: "cc", "memory", "w11", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v14","v15",
@@ -2039,7 +2039,8 @@ static int Aes192GcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
,[inX] "4" (xPt), [inY] "m" (aes->H)
: "cc", "w11", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v14"
,"v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24"
,"v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
"v24","v25","v26","v27","v28","v29","v30","v31"
);
}
@@ -2473,7 +2474,8 @@ static int Aes256GcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
[ctr] "2" (iCtr) , [h] "m" (aes->H)
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5",
"v6", "v7", "v8", "v9", "v10","v11","v12","v13","v14",
"v15", "v16", "v17","v18", "v19", "v20","v21","v22","v23","v24"
"v15", "v16", "v17","v18", "v19", "v20","v21","v22","v23",
"v24","v25","v26","v27","v28","v29","v30","v31"
);
@@ -4061,7 +4063,8 @@ static void GMULT(byte* X, byte* Y)
: [xOut] "=r" (X), [yOut] "=r" (Y)
: [x] "0" (X), [y] "1" (Y)
:
: "cc", "memory", "q0", "q1", "q2", "q3", "q4", "q5", "q6" ,"q7", "q8",
"q9", "q10", "q11" ,"q12", "q13", "q14", "q15"
);
}
@@ -4597,7 +4600,7 @@ int wc_AesGcmSetKey(Aes* aes, const byte* key, word32 len)
"ST1 {v0.16b}, [%[out]] \n"
: [out] "=r" (pt)
: [h] "0" (pt)
: "cc", "memory"
: "cc", "memory", "v0"
);
}
#else
@@ -4610,7 +4613,7 @@ int wc_AesGcmSetKey(Aes* aes, const byte* key, word32 len)
"VST1.32 {q0}, [%[out]] \n"
: [out] "=r" (pt)
: [h] "0" (pt)
: "cc", "memory"
: "cc", "memory", "q0"
);
}
#endif

12
wolfcrypt/src/port/arm/armv8-sha256.c
View File

@@ -305,7 +305,9 @@ int wc_Sha256Update(Sha256* sha256, const byte* data, word32 len)
[blocks] "2" (numBlocks), [dataIn] "3" (data)
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
"v8", "v9", "v10", "v11", "v12", "v13", "v14",
"v15", "w8"
"v15", "v16", "v17", "v18", "v19", "v20", "v21",
"v22", "v23", "v24", "v25", "v26", "v27", "v28",
"v29", "v30", "v31", "w8"
);
AddLength(sha256, SHA256_BLOCK_SIZE * numBlocks);
@@ -488,6 +490,7 @@ int wc_Sha256Final(Sha256* sha256, byte* hash)
[buffer] "m" (sha256->buffer)
: "cc", "memory", "v0", "v1", "v2", "v3", "v8", "v9", "v10", "v11"
, "v12", "v13", "v14", "v15", "v16", "v17", "v18"
, "v19", "v20", "v21", "v22", "v23", "v24", "v25"
);
sha256->buffLen = 0;
@@ -510,7 +513,7 @@ int wc_Sha256Final(Sha256* sha256, byte* hash)
"ST1 {v0.2d-v3.2d}, %[out] \n"
: [out] "=m" (sha256->buffer)
: [in] "m" (sha256->buffer)
: "cc", "memory"
: "cc", "memory", "v0", "v1", "v2", "v3"
);
#endif
/* ! length ordering dependent on digest endian type ! */
@@ -666,7 +669,8 @@ int wc_Sha256Final(Sha256* sha256, byte* hash)
"0" (hash)
: "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
"v8", "v9", "v10", "v11", "v12", "v13", "v14",
"v15", "v16", "v17", "v18"
"v15", "v16", "v17", "v18", "v19", "v20", "v21",
"v22", "v23", "v24", "v25"
);
return wc_InitSha256(sha256); /* reset state */
@@ -1119,7 +1123,7 @@ int wc_Sha256Final(Sha256* sha256, byte* hash)
"VST1.32 {q3}, [%[out]] \n"
: [out] "=r" (bufPt)
: [in] "0" (bufPt)
: "cc", "memory"
: "cc", "memory", "q0", "q1", "q2", "q3"
);
#endif
/* ! length ordering dependent on digest endian type ! */