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| author | Péter Szilágyi <peterke@gmail.com> | 2018-03-05 20:33:45 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-03-05 20:33:45 +0800 |
| commit | bd6879ac518431174a490ba42f7e6e822dcb3ee1 (patch) | |
| tree | 343d26a5485c7b651dd9e24cd4382c41c61b0264 /crypto/bn256/cloudflare/gfp.h | |
| parent | 223fe3f26e8ec7133ed1d7ed3d460c8fc86ef9f8 (diff) | |
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core/vm, crypto/bn256: switch over to cloudflare library (#16203)
* core/vm, crypto/bn256: switch over to cloudflare library
* crypto/bn256: unmarshal constraint + start pure go impl
* crypto/bn256: combo cloudflare and google lib
* travis: drop 386 test job
Diffstat (limited to 'crypto/bn256/cloudflare/gfp.h')
| -rw-r--r-- | crypto/bn256/cloudflare/gfp.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/crypto/bn256/cloudflare/gfp.h b/crypto/bn256/cloudflare/gfp.h new file mode 100644 index 000000000..66f5a4d07 --- /dev/null +++ b/crypto/bn256/cloudflare/gfp.h @@ -0,0 +1,32 @@ +#define storeBlock(a0,a1,a2,a3, r) \ + MOVQ a0, 0+r \ + MOVQ a1, 8+r \ + MOVQ a2, 16+r \ + MOVQ a3, 24+r + +#define loadBlock(r, a0,a1,a2,a3) \ + MOVQ 0+r, a0 \ + MOVQ 8+r, a1 \ + MOVQ 16+r, a2 \ + MOVQ 24+r, a3 + +#define gfpCarry(a0,a1,a2,a3,a4, b0,b1,b2,b3,b4) \ + \ // b = a-p + MOVQ a0, b0 \ + MOVQ a1, b1 \ + MOVQ a2, b2 \ + MOVQ a3, b3 \ + MOVQ a4, b4 \ + \ + SUBQ ·p2+0(SB), b0 \ + SBBQ ·p2+8(SB), b1 \ + SBBQ ·p2+16(SB), b2 \ + SBBQ ·p2+24(SB), b3 \ + SBBQ $0, b4 \ + \ + \ // if b is negative then return a + \ // else return b + CMOVQCC b0, a0 \ + CMOVQCC b1, a1 \ + CMOVQCC b2, a2 \ + CMOVQCC b3, a3 |