tishift.S (1030B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2018 Free Software Foundation, Inc. 4 */ 5 6#include <linux/linkage.h> 7#include <asm-generic/export.h> 8 9SYM_FUNC_START(__lshrti3) 10 beqz a2, .L1 11 li a5,64 12 sub a5,a5,a2 13 sext.w a4,a5 14 blez a5, .L2 15 sext.w a2,a2 16 srl a0,a0,a2 17 sll a4,a1,a4 18 srl a2,a1,a2 19 or a0,a0,a4 20 mv a1,a2 21.L1: 22 ret 23.L2: 24 negw a0,a4 25 li a2,0 26 srl a0,a1,a0 27 mv a1,a2 28 ret 29SYM_FUNC_END(__lshrti3) 30EXPORT_SYMBOL(__lshrti3) 31 32SYM_FUNC_START(__ashrti3) 33 beqz a2, .L3 34 li a5,64 35 sub a5,a5,a2 36 sext.w a4,a5 37 blez a5, .L4 38 sext.w a2,a2 39 srl a0,a0,a2 40 sll a4,a1,a4 41 sra a2,a1,a2 42 or a0,a0,a4 43 mv a1,a2 44.L3: 45 ret 46.L4: 47 negw a0,a4 48 srai a2,a1,0x3f 49 sra a0,a1,a0 50 mv a1,a2 51 ret 52SYM_FUNC_END(__ashrti3) 53EXPORT_SYMBOL(__ashrti3) 54 55SYM_FUNC_START(__ashlti3) 56 beqz a2, .L5 57 li a5,64 58 sub a5,a5,a2 59 sext.w a4,a5 60 blez a5, .L6 61 sext.w a2,a2 62 sll a1,a1,a2 63 srl a4,a0,a4 64 sll a2,a0,a2 65 or a1,a1,a4 66 mv a0,a2 67.L5: 68 ret 69.L6: 70 negw a1,a4 71 li a2,0 72 sll a1,a0,a1 73 mv a0,a2 74 ret 75SYM_FUNC_END(__ashlti3) 76EXPORT_SYMBOL(__ashlti3)