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Replace ASM with CryptOpt generated #1329

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Replace ASM with CryptOpt generated #1329

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e0494aa
build: not default to x64_asm. only use the asm if explicitly requested
dderjoel Jun 21, 2023
d38ab07
added runtime check for bmi2 and adx
dderjoel Jul 7, 2023
4742310
replace the asm implementation for mul/square inner
dderjoel Jul 7, 2023
3eaab69
Merge branch 'bitcoin-core:master' into only-asm
dderjoel Sep 4, 2023
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ Implementation details
* Expose only higher level interfaces to minimize the API surface and improve application security. ("Be difficult to use insecurely.")
* Field operations
* Optimized implementation of arithmetic modulo the curve's field size (2^256 - 0x1000003D1).
* Using 5 52-bit limbs (including hand-optimized assembly for x86_64, by Diederik Huys).
* Using 5 52-bit limbs (including [CryptOpt](https://github.com/0xADE1A1DE/CryptOpt)-optimized assembly for x86_64, which includes formal correctness proofs).
* Using 10 26-bit limbs (including hand-optimized assembly for 32-bit ARM, by Wladimir J. van der Laan).
* This is an experimental feature that has not received enough scrutiny to satisfy the standard of quality of this library but is made available for testing and review by the community.
* Scalar operations
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4 changes: 0 additions & 4 deletions configure.ac
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Expand Up @@ -266,10 +266,6 @@ else
fi

if test x"$req_asm" = x"auto"; then
SECP_X86_64_ASM_CHECK
if test x"$has_x86_64_asm" = x"yes"; then
set_asm=x86_64
fi
if test x"$set_asm" = x; then
set_asm=no
fi
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