| /* s390_functions.h -- s390 implementations for arch-specific functions. |
| * For conditions of distribution and use, see copyright notice in zlib.h |
| */ |
| |
| #ifndef S390_FUNCTIONS_H_ |
| #define S390_FUNCTIONS_H_ |
| |
| #include "s390_natives.h" |
| |
| #define ADLER32_FALLBACK |
| #define CHUNKSET_FALLBACK |
| #define COMPARE256_FALLBACK |
| #define CRC32_BRAID_FALLBACK /* used by crc32_s390_vx */ |
| |
| #ifndef S390_VX_NATIVE |
| # define SLIDE_HASH_FALLBACK |
| #endif |
| |
| #ifdef S390_VX |
| uint32_t crc32_s390_vx(uint32_t crc, const uint8_t *buf, size_t len); |
| uint32_t crc32_copy_s390_vx(uint32_t crc, uint8_t *dst, const uint8_t *src, size_t len); |
| void slide_hash_vx(deflate_state *s); |
| |
| #ifdef __clang__ |
| # if ((__clang_major__ == 18) || (__clang_major__ == 19 && (__clang_minor__ < 1 || (__clang_minor__ == 1 && __clang_patchlevel__ < 2)))) |
| # error CRC32-VX optimizations are broken due to compiler bug in Clang versions: 18.0.0 <= clang_version < 19.1.2. \ |
| Either disable the zlib-ng S390 VX optimizations, or switch to another compiler/compiler version. |
| # endif |
| #endif |
| |
| #endif |
| |
| #ifdef DISABLE_RUNTIME_CPU_DETECTION |
| # ifdef S390_VX_NATIVE |
| # undef native_crc32 |
| # define native_crc32 crc32_s390_vx |
| # undef native_crc32_copy |
| # define native_crc32_copy crc32_copy_s390_vx |
| # undef native_slide_hash |
| # define native_slide_hash slide_hash_vx |
| # endif |
| #endif |
| |
| #endif |
