mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
1.8 KiB
113 lines
1.8 KiB
// +build arm64,!generic
|
|
|
|
#define storeBlock(a0,a1,a2,a3, r) \
|
|
MOVD a0, 0+r \
|
|
MOVD a1, 8+r \
|
|
MOVD a2, 16+r \
|
|
MOVD a3, 24+r
|
|
|
|
#define loadBlock(r, a0,a1,a2,a3) \
|
|
MOVD 0+r, a0 \
|
|
MOVD 8+r, a1 \
|
|
MOVD 16+r, a2 \
|
|
MOVD 24+r, a3
|
|
|
|
#define loadModulus(p0,p1,p2,p3) \
|
|
MOVD ·p2+0(SB), p0 \
|
|
MOVD ·p2+8(SB), p1 \
|
|
MOVD ·p2+16(SB), p2 \
|
|
MOVD ·p2+24(SB), p3
|
|
|
|
#include "mul_arm64.h"
|
|
|
|
TEXT ·gfpNeg(SB),0,$0-16
|
|
MOVD a+8(FP), R0
|
|
loadBlock(0(R0), R1,R2,R3,R4)
|
|
loadModulus(R5,R6,R7,R8)
|
|
|
|
SUBS R1, R5, R1
|
|
SBCS R2, R6, R2
|
|
SBCS R3, R7, R3
|
|
SBCS R4, R8, R4
|
|
|
|
SUBS R5, R1, R5
|
|
SBCS R6, R2, R6
|
|
SBCS R7, R3, R7
|
|
SBCS R8, R4, R8
|
|
|
|
CSEL CS, R5, R1, R1
|
|
CSEL CS, R6, R2, R2
|
|
CSEL CS, R7, R3, R3
|
|
CSEL CS, R8, R4, R4
|
|
|
|
MOVD c+0(FP), R0
|
|
storeBlock(R1,R2,R3,R4, 0(R0))
|
|
RET
|
|
|
|
TEXT ·gfpAdd(SB),0,$0-24
|
|
MOVD a+8(FP), R0
|
|
loadBlock(0(R0), R1,R2,R3,R4)
|
|
MOVD b+16(FP), R0
|
|
loadBlock(0(R0), R5,R6,R7,R8)
|
|
loadModulus(R9,R10,R11,R12)
|
|
MOVD ZR, R0
|
|
|
|
ADDS R5, R1
|
|
ADCS R6, R2
|
|
ADCS R7, R3
|
|
ADCS R8, R4
|
|
ADCS ZR, R0
|
|
|
|
SUBS R9, R1, R5
|
|
SBCS R10, R2, R6
|
|
SBCS R11, R3, R7
|
|
SBCS R12, R4, R8
|
|
SBCS ZR, R0, R0
|
|
|
|
CSEL CS, R5, R1, R1
|
|
CSEL CS, R6, R2, R2
|
|
CSEL CS, R7, R3, R3
|
|
CSEL CS, R8, R4, R4
|
|
|
|
MOVD c+0(FP), R0
|
|
storeBlock(R1,R2,R3,R4, 0(R0))
|
|
RET
|
|
|
|
TEXT ·gfpSub(SB),0,$0-24
|
|
MOVD a+8(FP), R0
|
|
loadBlock(0(R0), R1,R2,R3,R4)
|
|
MOVD b+16(FP), R0
|
|
loadBlock(0(R0), R5,R6,R7,R8)
|
|
loadModulus(R9,R10,R11,R12)
|
|
|
|
SUBS R5, R1
|
|
SBCS R6, R2
|
|
SBCS R7, R3
|
|
SBCS R8, R4
|
|
|
|
CSEL CS, ZR, R9, R9
|
|
CSEL CS, ZR, R10, R10
|
|
CSEL CS, ZR, R11, R11
|
|
CSEL CS, ZR, R12, R12
|
|
|
|
ADDS R9, R1
|
|
ADCS R10, R2
|
|
ADCS R11, R3
|
|
ADCS R12, R4
|
|
|
|
MOVD c+0(FP), R0
|
|
storeBlock(R1,R2,R3,R4, 0(R0))
|
|
RET
|
|
|
|
TEXT ·gfpMul(SB),0,$0-24
|
|
MOVD a+8(FP), R0
|
|
loadBlock(0(R0), R1,R2,R3,R4)
|
|
MOVD b+16(FP), R0
|
|
loadBlock(0(R0), R5,R6,R7,R8)
|
|
|
|
mul(R9,R10,R11,R12,R13,R14,R15,R16)
|
|
gfpReduce()
|
|
|
|
MOVD c+0(FP), R0
|
|
storeBlock(R1,R2,R3,R4, 0(R0))
|
|
RET
|
|
|