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sha3: tweak choice of a fast code path for 64-bit
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -1057,7 +1057,7 @@ static void KeccakF(uint64_t *state)
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/* Chi */
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for (y = 0; y <= 20; y += 5) {
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if (SHA3_SMALL) {
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if (SHA3_SMALL && !ARCH_IS_64BIT) {
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uint64_t BC[5];
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BC[0] = state[y + 0];
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BC[1] = state[y + 1];
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@ -1071,6 +1071,7 @@ static void KeccakF(uint64_t *state)
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}
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} else {
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/* 32-bit x86: +50 bytes code, 10% faster */
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/* 64-bit x86: ~same code size, 30% faster */
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uint64_t BC0, BC1, BC2, BC3, BC4;
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BC0 = state[y + 0];
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BC1 = state[y + 1];
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