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crypto/bn256/cloudflare: pull in upstream fix for Go 1.12 R18

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This commit is contained in:
Péter Szilágyi 2019-02-28 14:53:44 +02:00
parent dac7cbcf21
commit 39bd2609ca
No known key found for this signature in database
GPG Key ID: E9AE538CEDF8293D
1 changed files with 16 additions and 16 deletions
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32
crypto/bn256/cloudflare/mul_arm64.h
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@ -12,7 +12,7 @@
UMULH R1, R8, c4 \
ADCS ZR, c4 \
\
MUL R2, R5, R25 \
MUL R2, R5, R1 \
UMULH R2, R5, R26 \
MUL R2, R6, R0 \
ADDS R0, R26 \
@ -24,13 +24,13 @@
ADCS R0, R29 \
UMULH R2, R8, c5 \
ADCS ZR, c5 \
ADDS R25, c1 \
ADDS R1, c1 \
ADCS R26, c2 \
ADCS R27, c3 \
ADCS R29, c4 \
ADCS ZR, c5 \
\
MUL R3, R5, R25 \
MUL R3, R5, R1 \
UMULH R3, R5, R26 \
MUL R3, R6, R0 \
ADDS R0, R26 \
@ -42,13 +42,13 @@
ADCS R0, R29 \
UMULH R3, R8, c6 \
ADCS ZR, c6 \
ADDS R25, c2 \
ADDS R1, c2 \
ADCS R26, c3 \
ADCS R27, c4 \
ADCS R29, c5 \
ADCS ZR, c6 \
\
MUL R4, R5, R25 \
MUL R4, R5, R1 \
UMULH R4, R5, R26 \
MUL R4, R6, R0 \
ADDS R0, R26 \
@ -60,7 +60,7 @@
ADCS R0, R29 \
UMULH R4, R8, c7 \
ADCS ZR, c7 \
ADDS R25, c3 \
ADDS R1, c3 \
ADCS R26, c4 \
ADCS R27, c5 \
ADCS R29, c6 \
@ -69,15 +69,15 @@
#define gfpReduce() \
\ // m = (T * N') mod R, store m in R1:R2:R3:R4
MOVD ·np+0(SB), R17 \
MOVD ·np+8(SB), R18 \
MOVD ·np+8(SB), R25 \
MOVD ·np+16(SB), R19 \
MOVD ·np+24(SB), R20 \
\
MUL R9, R17, R1 \
UMULH R9, R17, R2 \
MUL R9, R18, R0 \
MUL R9, R25, R0 \
ADDS R0, R2 \
UMULH R9, R18, R3 \
UMULH R9, R25, R3 \
MUL R9, R19, R0 \
ADCS R0, R3 \
UMULH R9, R19, R4 \
@ -86,9 +86,9 @@
\
MUL R10, R17, R21 \
UMULH R10, R17, R22 \
MUL R10, R18, R0 \
MUL R10, R25, R0 \
ADDS R0, R22 \
UMULH R10, R18, R23 \
UMULH R10, R25, R23 \
MUL R10, R19, R0 \
ADCS R0, R23 \
ADDS R21, R2 \
@ -97,7 +97,7 @@
\
MUL R11, R17, R21 \
UMULH R11, R17, R22 \
MUL R11, R18, R0 \
MUL R11, R25, R0 \
ADDS R0, R22 \
ADDS R21, R3 \
ADCS R22, R4 \
@ -107,19 +107,19 @@
\
\ // m * N
loadModulus(R5,R6,R7,R8) \
mul(R17,R18,R19,R20,R21,R22,R23,R24) \
mul(R17,R25,R19,R20,R21,R22,R23,R24) \
\
\ // Add the 512-bit intermediate to m*N
MOVD ZR, R25 \
MOVD ZR, R0 \
ADDS R9, R17 \
ADCS R10, R18 \
ADCS R10, R25 \
ADCS R11, R19 \
ADCS R12, R20 \
ADCS R13, R21 \
ADCS R14, R22 \
ADCS R15, R23 \
ADCS R16, R24 \
ADCS ZR, R25 \
ADCS ZR, R0 \
\
\ // Our output is R21:R22:R23:R24. Reduce mod p if necessary.
SUBS R5, R21, R10 \