#include "textflag.h"

// func addMulVVW1024(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW1024(SB), $0-32
	MOVD	$4, R6 // R6 = z_len/4
	JMP		addMulVVWx<>(SB)

// func addMulVVW1536(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW1536(SB), $0-32
	MOVD	$6, R6 // R6 = z_len/4
	JMP		addMulVVWx<>(SB)

// func addMulVVW2048(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW2048(SB), $0-32
	MOVD	$8, R6 // R6 = z_len/4

	case 1536 / _W:
		const n = 1536 / _W // compiler hint
		T := make([]uint, n*2)
		var c uint
		for i := 0; i < n; i++ {
			d := bLimbs[i]
			c1 := addMulVVW1536(&T[i], &aLimbs[0], d)
			Y := T[i] * m.m0inv
			c2 := addMulVVW1536(&T[i], &mLimbs[0], Y)
			T[n+i], c = bits.Add(c1, c2, c)
		}
		copy(x.reset(n).limbs, T[n:])
		x.maybeSubtractModulus(choice(c), m)

	case 2048 / _W: