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// +build amd64,!appengine,!gccgo
#include "gfp.h"
#include "mul.h"
#include "mul_bmi2.h"
TEXT ·gfpNeg(SB),0,$0-16
MOVQ ·p2+0(SB), R8
MOVQ ·p2+8(SB), R9
MOVQ ·p2+16(SB), R10
MOVQ ·p2+24(SB), R11
MOVQ a+8(FP), DI
SUBQ 0(DI), R8
SBBQ 8(DI), R9
SBBQ 16(DI), R10
SBBQ 24(DI), R11
MOVQ $0, AX
gfpCarry(R8,R9,R10,R11,AX, R12,R13,R14,R15,BX)
MOVQ c+0(FP), DI
storeBlock(R8,R9,R10,R11, 0(DI))
RET
TEXT ·gfpAdd(SB),0,$0-24
MOVQ a+8(FP), DI
MOVQ b+16(FP), SI
loadBlock(0(DI), R8,R9,R10,R11)
MOVQ $0, R12
ADDQ 0(SI), R8
ADCQ 8(SI), R9
ADCQ 16(SI), R10
ADCQ 24(SI), R11
ADCQ $0, R12
gfpCarry(R8,R9,R10,R11,R12, R13,R14,R15,AX,BX)
MOVQ c+0(FP), DI
storeBlock(R8,R9,R10,R11, 0(DI))
RET
TEXT ·gfpSub(SB),0,$0-24
MOVQ a+8(FP), DI
MOVQ b+16(FP), SI
loadBlock(0(DI), R8,R9,R10,R11)
MOVQ ·p2+0(SB), R12
MOVQ ·p2+8(SB), R13
MOVQ ·p2+16(SB), R14
MOVQ ·p2+24(SB), R15
MOVQ $0, AX
SUBQ 0(SI), R8
SBBQ 8(SI), R9
SBBQ 16(SI), R10
SBBQ 24(SI), R11
CMOVQCC AX, R12
CMOVQCC AX, R13
CMOVQCC AX, R14
CMOVQCC AX, R15
ADDQ R12, R8
ADCQ R13, R9
ADCQ R14, R10
ADCQ R15, R11
MOVQ c+0(FP), DI
storeBlock(R8,R9,R10,R11, 0(DI))
RET
TEXT ·gfpMul(SB),0,$160-24
MOVQ a+8(FP), DI
MOVQ b+16(FP), SI
// Jump to a slightly different implementation if MULX isn't supported.
CMPB runtime·support_bmi2(SB), $0
JE nobmi2Mul
mulBMI2(0(DI),8(DI),16(DI),24(DI), 0(SI))
storeBlock( R8, R9,R10,R11, 0(SP))
storeBlock(R12,R13,R14,R15, 32(SP))
gfpReduceBMI2()
JMP end
nobmi2Mul:
mul(0(DI),8(DI),16(DI),24(DI), 0(SI), 0(SP))
gfpReduce(0(SP))
end:
MOVQ c+0(FP), DI
storeBlock(R12,R13,R14,R15, 0(DI))
RET
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