Eine aufbereitete Darstellung der Quelle

 
     
 
 
Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 
Benutzer

products/Sources/formale Sprachen/C/Firefox/layout/reftests/svg/   (Firefox Browser Version 153.0.1©)  Datei vom 27.6.2026 mit Größe 509 B image not shown  

Bilddatei

crc32.h


products/Sources/formale Sprachen/C/Linux/lib/crc/loongarch/crc32.h

// SPDX-License-Identifier: GPL-2.0 /* * CRC32 and CRC32C using LoongArch crc* instructions * * Module based on mips/crypto/crc32-mips.c * * Copyright (C) 2014 Linaro Ltd * Copyright (C) 2018 MIPS Tech, LLC * Copyright (C) 2020-2023 Loongson Technology Corporation Limited */ #include #include #define _CRC32(crc, value, size, type) \ do { \ __asm__ __volatile__( \ #type ".w." #size ".w" " %0, %1, %0\n\t"\ : "+r" (crc) \ : "r" (value) \ : "memory"); \ } while (0) #define CRC32(crc, value, size) _CRC32(crc, value, size, crc) #define CRC32C(crc, value, size) _CRC32(crc, value, size, crcc) static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32); static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len) { if (!static_branch_likely(&have_crc32)) return crc32_le_base(crc, p, len); while (len >= sizeof(u64)) { u64 value = get_unaligned_le64(p); CRC32(crc, value, d); p += sizeof(u64); len -= sizeof(u64); } if (len & sizeof(u32)) { u32 value = get_unaligned_le32(p); CRC32(crc, value, w); p += sizeof(u32); } if (len & sizeof(u16)) { u16 value = get_unaligned_le16(p); CRC32(crc, value, h); p += sizeof(u16); } if (len & sizeof(u8)) { u8 value = *p++; CRC32(crc, value, b); } return crc; } static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len) { if (!static_branch_likely(&have_crc32)) return crc32c_base(crc, p, len); while (len >= sizeof(u64)) { u64 value = get_unaligned_le64(p); CRC32C(crc, value, d); p += sizeof(u64); len -= sizeof(u64); } if (len & sizeof(u32)) { u32 value = get_unaligned_le32(p); CRC32C(crc, value, w); p += sizeof(u32); } if (len & sizeof(u16)) { u16 value = get_unaligned_le16(p); CRC32C(crc, value, h); p += sizeof(u16); } if (len & sizeof(u8)) { u8 value = *p++; CRC32C(crc, value, b); } return crc; } #define crc32_be_arch crc32_be_base /* not implemented on this arch */ #define crc32_mod_init_arch crc32_mod_init_arch static inline void crc32_mod_init_arch(void) { if (cpu_has_crc32) static_branch_enable(&have_crc32); } static inline u32 crc32_optimizations_arch(void) { if (static_key_enabled(&have_crc32)) return CRC32_LE_OPTIMIZATION | CRC32C_OPTIMIZATION; return 0; }

                                                                                                                                                                                                                                                                                                                                                                                                     

Neuigkeiten

     Aktuelles
     Motto des Tages

Open Source Software

     Quellcodebibliothek
     Eigene Quellcodes
     Fremde Quellcodes
     Suchen
Jenseits des Üblichen ....
    

Besucherstatistik

Besucherstatistik
Statistik
#Sources=1126864
#Domains=1897691