18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * 48c2ecf20Sopenharmony_ci * Copyright (C) IBM Corporation, 2010 58c2ecf20Sopenharmony_ci * 68c2ecf20Sopenharmony_ci * Author: Anton Blanchard <anton@au.ibm.com> 78c2ecf20Sopenharmony_ci */ 88c2ecf20Sopenharmony_ci#include <asm/processor.h> 98c2ecf20Sopenharmony_ci#include <asm/ppc_asm.h> 108c2ecf20Sopenharmony_ci#include <asm/export.h> 118c2ecf20Sopenharmony_ci#include <asm/feature-fixups.h> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci/* Note: This code relies on -mminimal-toc */ 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci_GLOBAL(__arch_hweight8) 168c2ecf20Sopenharmony_ciBEGIN_FTR_SECTION 178c2ecf20Sopenharmony_ci b __sw_hweight8 188c2ecf20Sopenharmony_ci nop 198c2ecf20Sopenharmony_ci nop 208c2ecf20Sopenharmony_ciFTR_SECTION_ELSE 218c2ecf20Sopenharmony_ci PPC_POPCNTB(R3,R3) 228c2ecf20Sopenharmony_ci clrldi r3,r3,64-8 238c2ecf20Sopenharmony_ci blr 248c2ecf20Sopenharmony_ciALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB) 258c2ecf20Sopenharmony_ciEXPORT_SYMBOL(__arch_hweight8) 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci_GLOBAL(__arch_hweight16) 288c2ecf20Sopenharmony_ciBEGIN_FTR_SECTION 298c2ecf20Sopenharmony_ci b __sw_hweight16 308c2ecf20Sopenharmony_ci nop 318c2ecf20Sopenharmony_ci nop 328c2ecf20Sopenharmony_ci nop 338c2ecf20Sopenharmony_ci nop 348c2ecf20Sopenharmony_ciFTR_SECTION_ELSE 358c2ecf20Sopenharmony_ci BEGIN_FTR_SECTION_NESTED(50) 368c2ecf20Sopenharmony_ci PPC_POPCNTB(R3,R3) 378c2ecf20Sopenharmony_ci srdi r4,r3,8 388c2ecf20Sopenharmony_ci add r3,r4,r3 398c2ecf20Sopenharmony_ci clrldi r3,r3,64-8 408c2ecf20Sopenharmony_ci blr 418c2ecf20Sopenharmony_ci FTR_SECTION_ELSE_NESTED(50) 428c2ecf20Sopenharmony_ci clrlwi r3,r3,16 438c2ecf20Sopenharmony_ci PPC_POPCNTW(R3,R3) 448c2ecf20Sopenharmony_ci clrldi r3,r3,64-8 458c2ecf20Sopenharmony_ci blr 468c2ecf20Sopenharmony_ci ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_POPCNTD, 50) 478c2ecf20Sopenharmony_ciALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB) 488c2ecf20Sopenharmony_ciEXPORT_SYMBOL(__arch_hweight16) 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci_GLOBAL(__arch_hweight32) 518c2ecf20Sopenharmony_ciBEGIN_FTR_SECTION 528c2ecf20Sopenharmony_ci b __sw_hweight32 538c2ecf20Sopenharmony_ci nop 548c2ecf20Sopenharmony_ci nop 558c2ecf20Sopenharmony_ci nop 568c2ecf20Sopenharmony_ci nop 578c2ecf20Sopenharmony_ci nop 588c2ecf20Sopenharmony_ci nop 598c2ecf20Sopenharmony_ciFTR_SECTION_ELSE 608c2ecf20Sopenharmony_ci BEGIN_FTR_SECTION_NESTED(51) 618c2ecf20Sopenharmony_ci PPC_POPCNTB(R3,R3) 628c2ecf20Sopenharmony_ci srdi r4,r3,16 638c2ecf20Sopenharmony_ci add r3,r4,r3 648c2ecf20Sopenharmony_ci srdi r4,r3,8 658c2ecf20Sopenharmony_ci add r3,r4,r3 668c2ecf20Sopenharmony_ci clrldi r3,r3,64-8 678c2ecf20Sopenharmony_ci blr 688c2ecf20Sopenharmony_ci FTR_SECTION_ELSE_NESTED(51) 698c2ecf20Sopenharmony_ci PPC_POPCNTW(R3,R3) 708c2ecf20Sopenharmony_ci clrldi r3,r3,64-8 718c2ecf20Sopenharmony_ci blr 728c2ecf20Sopenharmony_ci ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_POPCNTD, 51) 738c2ecf20Sopenharmony_ciALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB) 748c2ecf20Sopenharmony_ciEXPORT_SYMBOL(__arch_hweight32) 758c2ecf20Sopenharmony_ci 768c2ecf20Sopenharmony_ci_GLOBAL(__arch_hweight64) 778c2ecf20Sopenharmony_ciBEGIN_FTR_SECTION 788c2ecf20Sopenharmony_ci b __sw_hweight64 798c2ecf20Sopenharmony_ci nop 808c2ecf20Sopenharmony_ci nop 818c2ecf20Sopenharmony_ci nop 828c2ecf20Sopenharmony_ci nop 838c2ecf20Sopenharmony_ci nop 848c2ecf20Sopenharmony_ci nop 858c2ecf20Sopenharmony_ci nop 868c2ecf20Sopenharmony_ci nop 878c2ecf20Sopenharmony_ciFTR_SECTION_ELSE 888c2ecf20Sopenharmony_ci BEGIN_FTR_SECTION_NESTED(52) 898c2ecf20Sopenharmony_ci PPC_POPCNTB(R3,R3) 908c2ecf20Sopenharmony_ci srdi r4,r3,32 918c2ecf20Sopenharmony_ci add r3,r4,r3 928c2ecf20Sopenharmony_ci srdi r4,r3,16 938c2ecf20Sopenharmony_ci add r3,r4,r3 948c2ecf20Sopenharmony_ci srdi r4,r3,8 958c2ecf20Sopenharmony_ci add r3,r4,r3 968c2ecf20Sopenharmony_ci clrldi r3,r3,64-8 978c2ecf20Sopenharmony_ci blr 988c2ecf20Sopenharmony_ci FTR_SECTION_ELSE_NESTED(52) 998c2ecf20Sopenharmony_ci PPC_POPCNTD(R3,R3) 1008c2ecf20Sopenharmony_ci clrldi r3,r3,64-8 1018c2ecf20Sopenharmony_ci blr 1028c2ecf20Sopenharmony_ci ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_POPCNTD, 52) 1038c2ecf20Sopenharmony_ciALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB) 1048c2ecf20Sopenharmony_ciEXPORT_SYMBOL(__arch_hweight64) 105