Attachment #231833 for bug #261660




#endif /* CRC32_ARM64 */

#ifdef CRC32_ARM64_DEFAULT
#ifndef __FreeBSD__
#include <asm/hwcap.h>
#endif
#include <sys/auxv.h>
#endif /* CRC32_ARM64_DEFAULT */


#endif /* CRC32_ARM64_APPLE */

#ifdef CRC32_ARM64_DEFAULT
#ifdef __FreeBSD__
bool can_use_crc32() {
  unsigned long capabilities;

  if (elf_aux_info(AT_HWCAP, &capabilities, sizeof(unsigned long)))
    return false;
  return capabilities & HWCAP_CRC32;
}
bool can_use_poly_mul() {
  unsigned long capabilities;

  if (elf_aux_info(AT_HWCAP, &capabilities, sizeof(unsigned long)))
    return false;
  return capabilities & HWCAP_CRC32;
}
#else
bool can_use_crc32() { return getauxval(AT_HWCAP) & HWCAP_CRC32; }
bool can_use_poly_mul() { return getauxval(AT_HWCAP) & HWCAP_PMULL; }
#endif
#endif /* CRC32_ARM64_DEFAULT */

/** A helper template to statically unroll a loop with a fixed number of


#ifdef CRC32_ARM64
#ifdef CRC32_ARM64_DEFAULT
#ifndef __clang__
MY_ATTRIBUTE((target("+crc")))
#endif
#endif /* CRC32_ARM64_DEFAULT */
uint32_t crc32_impl::update(uint32_t crc, unsigned char data) {
  return __crc32cb(crc, data);
}
#ifdef CRC32_ARM64_DEFAULT
#ifndef __clang__
MY_ATTRIBUTE((target("+crc")))
#endif
#endif /* CRC32_ARM64_DEFAULT */
uint32_t crc32_impl::update(uint32_t crc, uint16_t data) {
  return __crc32ch(crc, data);
}
#ifdef CRC32_ARM64_DEFAULT
#ifndef __clang__
MY_ATTRIBUTE((target("+crc")))
#endif
#endif /* CRC32_ARM64_DEFAULT */
uint32_t crc32_impl::update(uint32_t crc, uint32_t data) {
  return __crc32cw(crc, data);
}
#ifdef CRC32_ARM64_DEFAULT
#ifndef __clang__
MY_ATTRIBUTE((target("+crc")))
#endif
#endif /* CRC32_ARM64_DEFAULT */
uint64_t crc32_impl::update(uint64_t crc, uint64_t data) {
  return (uint64_t)__crc32cd((uint32_t)crc, data);

}
template <uint32_t w>
#ifdef CRC32_ARM64_DEFAULT
#ifndef __clang__
MY_ATTRIBUTE((target("+crypto")))
#endif
#endif /* CRC32_ARM64_DEFAULT */
uint64_t use_pclmul::polynomial_mul_rev(uint32_t rev_u) {
  constexpr uint64_t flipped_w = flip_at_32(w);

MY_ATTRIBUTE((flatten))
#endif /* CRC32_ARM64_APPLE */
#ifdef CRC32_ARM64_DEFAULT
#ifndef __clang__
MY_ATTRIBUTE((target("+crc+crypto"), flatten))
#endif
#endif /* CRC32_ARM64_DEFAULT */
uint32_t crc32_using_pclmul(const byte *data, size_t len) {
  return crc32<use_pclmul>(0, data, len);

MY_ATTRIBUTE((flatten))
#endif /* CRC32_ARM64_APPLE */
#ifdef CRC32_ARM64_DEFAULT
#ifndef __clang__
MY_ATTRIBUTE((target("+crc"), flatten))
#endif
#endif /* CRC32_ARM64_DEFAULT */
uint32_t crc32_using_unrolled_loop_poly_mul(const byte *data, size_t len) {
  return crc32<use_unrolled_loop_poly_mul>(0, data, len);

Return to bug 261660

Lines 111-117 Link Here

(-)/usr/ports/databases/mysql80-server/work/mysql-8.0.27/storage/innobase/ut/crc32.cc (+33 lines)
111	#endif /* CRC32_ARM64 */	111	#endif /* CRC32_ARM64 */
112		112
113	#ifdef CRC32_ARM64_DEFAULT	113	#ifdef CRC32_ARM64_DEFAULT
		114	#ifndef __FreeBSD__
114	#include <asm/hwcap.h>	115	#include <asm/hwcap.h>
		116	#endif
115	#include <sys/auxv.h>	117	#include <sys/auxv.h>
116	#endif /* CRC32_ARM64_DEFAULT */	118	#endif /* CRC32_ARM64_DEFAULT */
117		119
Lines 360-367 Link Here
360	#endif /* CRC32_ARM64_APPLE */	362	#endif /* CRC32_ARM64_APPLE */
361		363
362	#ifdef CRC32_ARM64_DEFAULT	364	#ifdef CRC32_ARM64_DEFAULT
		365	#ifdef __FreeBSD__
		366	bool can_use_crc32() {
		367	unsigned long capabilities;
		368
		369	if (elf_aux_info(AT_HWCAP, &capabilities, sizeof(unsigned long)))
		370	return false;
		371	return capabilities & HWCAP_CRC32;
		372	}
		373	bool can_use_poly_mul() {
		374	unsigned long capabilities;
		375
		376	if (elf_aux_info(AT_HWCAP, &capabilities, sizeof(unsigned long)))
		377	return false;
		378	return capabilities & HWCAP_CRC32;
		379	}
		380	#else
363	bool can_use_crc32() { return getauxval(AT_HWCAP) & HWCAP_CRC32; }	381	bool can_use_crc32() { return getauxval(AT_HWCAP) & HWCAP_CRC32; }
364	bool can_use_poly_mul() { return getauxval(AT_HWCAP) & HWCAP_PMULL; }	382	bool can_use_poly_mul() { return getauxval(AT_HWCAP) & HWCAP_PMULL; }
		383	#endif
365	#endif /* CRC32_ARM64_DEFAULT */	384	#endif /* CRC32_ARM64_DEFAULT */
366		385
367	/** A helper template to statically unroll a loop with a fixed number of	386	/** A helper template to statically unroll a loop with a fixed number of
Lines 470-494 Link Here
470		489
471	#ifdef CRC32_ARM64	490	#ifdef CRC32_ARM64
472	#ifdef CRC32_ARM64_DEFAULT	491	#ifdef CRC32_ARM64_DEFAULT
		492	#ifndef __clang__
473	MY_ATTRIBUTE((target("+crc")))	493	MY_ATTRIBUTE((target("+crc")))
		494	#endif
474	#endif /* CRC32_ARM64_DEFAULT */	495	#endif /* CRC32_ARM64_DEFAULT */
475	uint32_t crc32_impl::update(uint32_t crc, unsigned char data) {	496	uint32_t crc32_impl::update(uint32_t crc, unsigned char data) {
476	return __crc32cb(crc, data);	497	return __crc32cb(crc, data);
477	}	498	}
478	#ifdef CRC32_ARM64_DEFAULT	499	#ifdef CRC32_ARM64_DEFAULT
		500	#ifndef __clang__
479	MY_ATTRIBUTE((target("+crc")))	501	MY_ATTRIBUTE((target("+crc")))
		502	#endif
480	#endif /* CRC32_ARM64_DEFAULT */	503	#endif /* CRC32_ARM64_DEFAULT */
481	uint32_t crc32_impl::update(uint32_t crc, uint16_t data) {	504	uint32_t crc32_impl::update(uint32_t crc, uint16_t data) {
482	return __crc32ch(crc, data);	505	return __crc32ch(crc, data);
483	}	506	}
484	#ifdef CRC32_ARM64_DEFAULT	507	#ifdef CRC32_ARM64_DEFAULT
		508	#ifndef __clang__
485	MY_ATTRIBUTE((target("+crc")))	509	MY_ATTRIBUTE((target("+crc")))
		510	#endif
486	#endif /* CRC32_ARM64_DEFAULT */	511	#endif /* CRC32_ARM64_DEFAULT */
487	uint32_t crc32_impl::update(uint32_t crc, uint32_t data) {	512	uint32_t crc32_impl::update(uint32_t crc, uint32_t data) {
488	return __crc32cw(crc, data);	513	return __crc32cw(crc, data);
489	}	514	}
490	#ifdef CRC32_ARM64_DEFAULT	515	#ifdef CRC32_ARM64_DEFAULT
		516	#ifndef __clang__
491	MY_ATTRIBUTE((target("+crc")))	517	MY_ATTRIBUTE((target("+crc")))
		518	#endif
492	#endif /* CRC32_ARM64_DEFAULT */	519	#endif /* CRC32_ARM64_DEFAULT */
493	uint64_t crc32_impl::update(uint64_t crc, uint64_t data) {	520	uint64_t crc32_impl::update(uint64_t crc, uint64_t data) {
494	return (uint64_t)__crc32cd((uint32_t)crc, data);	521	return (uint64_t)__crc32cd((uint32_t)crc, data);
Lines 534-540 Link Here
534	}	561	}
535	template <uint32_t w>	562	template <uint32_t w>
536	#ifdef CRC32_ARM64_DEFAULT	563	#ifdef CRC32_ARM64_DEFAULT
		564	#ifndef __clang__
537	MY_ATTRIBUTE((target("+crypto")))	565	MY_ATTRIBUTE((target("+crypto")))
		566	#endif
538	#endif /* CRC32_ARM64_DEFAULT */	567	#endif /* CRC32_ARM64_DEFAULT */
539	uint64_t use_pclmul::polynomial_mul_rev(uint32_t rev_u) {	568	uint64_t use_pclmul::polynomial_mul_rev(uint32_t rev_u) {
540	constexpr uint64_t flipped_w = flip_at_32(w);	569	constexpr uint64_t flipped_w = flip_at_32(w);
Lines 777-783 Link Here
777	MY_ATTRIBUTE((flatten))	806	MY_ATTRIBUTE((flatten))
778	#endif /* CRC32_ARM64_APPLE */	807	#endif /* CRC32_ARM64_APPLE */
779	#ifdef CRC32_ARM64_DEFAULT	808	#ifdef CRC32_ARM64_DEFAULT
		809	#ifndef __clang__
780	MY_ATTRIBUTE((target("+crc+crypto"), flatten))	810	MY_ATTRIBUTE((target("+crc+crypto"), flatten))
		811	#endif
781	#endif /* CRC32_ARM64_DEFAULT */	812	#endif /* CRC32_ARM64_DEFAULT */
782	uint32_t crc32_using_pclmul(const byte *data, size_t len) {	813	uint32_t crc32_using_pclmul(const byte *data, size_t len) {
783	return crc32<use_pclmul>(0, data, len);	814	return crc32<use_pclmul>(0, data, len);
Lines 797-803 Link Here
797	MY_ATTRIBUTE((flatten))	828	MY_ATTRIBUTE((flatten))
798	#endif /* CRC32_ARM64_APPLE */	829	#endif /* CRC32_ARM64_APPLE */
799	#ifdef CRC32_ARM64_DEFAULT	830	#ifdef CRC32_ARM64_DEFAULT
		831	#ifndef __clang__
800	MY_ATTRIBUTE((target("+crc"), flatten))	832	MY_ATTRIBUTE((target("+crc"), flatten))
		833	#endif
801	#endif /* CRC32_ARM64_DEFAULT */	834	#endif /* CRC32_ARM64_DEFAULT */
802	uint32_t crc32_using_unrolled_loop_poly_mul(const byte *data, size_t len) {	835	uint32_t crc32_using_unrolled_loop_poly_mul(const byte *data, size_t len) {
803	return crc32<use_unrolled_loop_poly_mul>(0, data, len);	836	return crc32<use_unrolled_loop_poly_mul>(0, data, len);