blob: 2e950ddd0f3732a90259df04e85efb7992cdad05 [file] [log] [blame]
// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !math_big_pure_go && riscv64
// +build !math_big_pure_go,riscv64
#include "textflag.h"
// This file provides fast assembly versions for the elementary
// arithmetic operations on vectors implemented in arith.go.
// func mulWW(x, y Word) (z1, z0 Word)
TEXT ·mulWW(SB),NOSPLIT,$0
MOV x+0(FP), X5
MOV y+8(FP), X6
MULHU X5, X6, X7
MUL X5, X6, X8
MOV X7, z1+16(FP)
MOV X8, z0+24(FP)
RET
TEXT ·addVV(SB),NOSPLIT,$0
JMP ·addVV_g(SB)
TEXT ·subVV(SB),NOSPLIT,$0
JMP ·subVV_g(SB)
TEXT ·addVW(SB),NOSPLIT,$0
JMP ·addVW_g(SB)
TEXT ·subVW(SB),NOSPLIT,$0
JMP ·subVW_g(SB)
TEXT ·shlVU(SB),NOSPLIT,$0
JMP ·shlVU_g(SB)
TEXT ·shrVU(SB),NOSPLIT,$0
JMP ·shrVU_g(SB)
TEXT ·mulAddVWW(SB),NOSPLIT,$0
JMP ·mulAddVWW_g(SB)
TEXT ·addMulVVW(SB),NOSPLIT,$0
JMP ·addMulVVW_g(SB)