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#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
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