Code

Assembly backend#69

Code

Merged

mratsim merged 18 commits intomastermratsim/constantine:masterfrom assembly-backendmratsim/constantine:assembly-backendCopy head branch name to clipboardJul 24, 2020

+2,603-369

Commits

Commits on Jun 27, 2020

• Proof-of-Concept Assembly code generator

  mratsim

  committed
  00b0277

Commits on Jun 28, 2020

• Tag inline per procedure so we can easily track the tradeoff on tower fields

  mratsim

  committed
  0f7d348

• Implement Assembly for modular addition (but very curious off-by-one)

  mratsim

  committed
  3f2d408

• Fix off-by one for moduli with non msb set

  mratsim

  committed
  4f71730

• Stash (super fast) alternative but still off by carry

  mratsim

  committed
  242b37c

• Fix GCC optimizing ASM away

  mratsim

  committed
  6c0bcdc

• Save 1 register to allow compiling for BLS12-381 (in the GMP test)

  mratsim

  committed
  30db071

• The compiler cannot find enough registers if the ASM file is not compiled with -O3

  mratsim

  committed
  eb3fd08

• Add modsub

  mratsim

  committed
  98ac9da

• Add field negation

  mratsim

  committed
  5b538d4

Commits on Jul 23, 2020

• Implement no-carry Assembly optimized field multiplication

  mratsim

  committed
  fb00479

• Expose UseX86ASM to the EC benchmark

  mratsim

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  e11e5f7

• omit frame pointer to save registers instead of hardcoding -O3. Also ensure early clobber constraints for Clang

  mratsim

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  da92f72

• Prepare for assembly fallback

  mratsim

  committed
  dd36889

Commits on Jul 24, 2020

• Implement fallback for CPU that don't support ADX and BMI2

  mratsim

  committed
  059b218

• Add CPU runtime detection

  mratsim

  committed
  a10c18c

• Update README closes #66

  mratsim

  committed
  e80fff6

• Remove commented out code

  mratsim

  committed
  99a8c47