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TODO for possible future mul optimization

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Nicholas Ward 2023-03-15 13:45:55 -07:00
parent 0627633439
commit ad38f95741
1 changed files with 2 additions and 0 deletions
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evm/src/cpu/kernel/asm/bignum/mul.asm
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@ -4,6 +4,8 @@
// Stores a * b in output_loc, leaving a and b unchanged.
// Both a and b have length len; a * b will have length 2 * len.
// output_loc must be initialized as 2 * len zeroes.
// TODO: possible optimization: allow output_loc to be uninitialized, and write over it with a[0:len] * b[0] (a multiplication
// with carry) in place of the first addmul.
global mul_bignum:
// stack: len, a_start_loc, b_start_loc, output_loc, retdest
DUP1