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Merge pull request #4929 from SparkiDev/siphash_clang

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SipHash: Replace gcc specific ASM instruction with generic
This commit is contained in:
David Garske
2022-03-07 10:34:13 -08:00
committed by GitHub
parent 3b4ba669d4 d5989dc15e
commit e7041d2315
1 changed files with 4 additions and 4 deletions
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8
wolfcrypt/src/siphash.c
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@ -453,21 +453,21 @@ int wc_SipHash(const unsigned char* key, const unsigned char* in, word32 inSz,
"cmp $7, %[inSz]\n\t" "cmp $7, %[inSz]\n\t"
"jl L_siphash_n7\n\t" "jl L_siphash_n7\n\t"
"movzxb 6(%[in]), %%r12\n\t" "movzbq 6(%[in]), %%r12\n\t"
"shlq $48, %%r12\n\t" "shlq $48, %%r12\n\t"
"orq %%r12, %%r13\n\t" "orq %%r12, %%r13\n\t"
"L_siphash_n7:\n\t" "L_siphash_n7:\n\t"
"cmp $6, %[inSz]\n\t" "cmp $6, %[inSz]\n\t"
"jl L_siphash_n6\n\t" "jl L_siphash_n6\n\t"
"movzxb 5(%[in]), %%r12\n\t" "movzbq 5(%[in]), %%r12\n\t"
"shlq $40, %%r12\n\t" "shlq $40, %%r12\n\t"
"orq %%r12, %%r13\n\t" "orq %%r12, %%r13\n\t"
"L_siphash_n6:\n\t" "L_siphash_n6:\n\t"
"cmp $5, %[inSz]\n\t" "cmp $5, %[inSz]\n\t"
"jl L_siphash_n5\n\t" "jl L_siphash_n5\n\t"
"movzxb 4(%[in]), %%r12\n\t" "movzbq 4(%[in]), %%r12\n\t"
"shlq $32, %%r12\n\t" "shlq $32, %%r12\n\t"
"orq %%r12, %%r13\n\t" "orq %%r12, %%r13\n\t"
"L_siphash_n5:\n\t" "L_siphash_n5:\n\t"
@ -483,7 +483,7 @@ int wc_SipHash(const unsigned char* key, const unsigned char* in, word32 inSz,
"cmp $3, %[inSz]\n\t" "cmp $3, %[inSz]\n\t"
"jl L_siphash_n3\n\t" "jl L_siphash_n3\n\t"
"movzxb 2(%[in]), %%r12\n\t" "movzbq 2(%[in]), %%r12\n\t"
"shlq $16, %%r12\n\t" "shlq $16, %%r12\n\t"
"orq %%r12, %%r13\n\t" "orq %%r12, %%r13\n\t"
"L_siphash_n3:\n\t" "L_siphash_n3:\n\t"