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fix shift direction

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This commit is contained in:
Dmitry Vagner 2022-07-30 14:21:06 -04:00
parent d25693d77c
commit 7e0334fcce
1 changed files with 8 additions and 8 deletions
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16
evm/src/cpu/kernel/asm/ripemd/subroutines.asm
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@ -14,21 +14,21 @@ global Rol:
swap1
// stack: x, 32-n, x, n, retdest
shr
// stack: x << (32-n), x, n, retdest
// stack: x >> (32-n), x, n, retdest
swap2
// stack: n, x, x << (32-n), retdest
// stack: n, x, x >> (32-n), retdest
swap1
// stack: x, n, x << (32-n), retdest
// stack: x, n, x >> (32-n), retdest
shl
// stack: x >> n, x << (32-n), retdest
// stack: x << n, x >> (32-n), retdest
push 0xffffffff
// stack: 0xffffffff, (x >> n), x << (32-n), retdest
// stack: 0xffffffff, (x << n), x >> (32-n), retdest
and
// stack: (x >> n) & 0xffffffff, x << (32-n), retdest
// stack: (x << n) & 0xffffffff, x >> (32-n), retdest
or
// stack: ((x >> n) & 0xffffffff) | (x << (32-n)), retdest
// stack: ((x << n) & 0xffffffff) | (x >> (32-n)), retdest
swap1
// stack: retdest, ((x >> n) & 0xffffffff) | (x << (32-n))
// stack: retdest, ((x << n) & 0xffffffff) | (x >> (32-n))
jump