Performance improvements range from 18% to 32%.
Change-Id: Ifb89eeac3c0625a582a25ff07cf7f9c9ec8f5ba6
Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23651)
# define ARM_CPU_IMP_ARM 0x41
# define HISI_CPU_IMP 0x48
# define ARM_CPU_IMP_APPLE 0x61
+# define ARM_CPU_IMP_MICROSOFT 0x6D
# define ARM_CPU_PART_CORTEX_A72 0xD08
# define ARM_CPU_PART_N1 0xD0C
# define APPLE_CPU_PART_M2_BLIZZARD_MAX 0x038
# define APPLE_CPU_PART_M2_AVALANCHE_MAX 0x039
+# define MICROSOFT_CPU_PART_COBALT_100 0xD49
+
# define MIDR_PARTNUM_SHIFT 4
# define MIDR_PARTNUM_MASK (0xfffU << MIDR_PARTNUM_SHIFT)
# define MIDR_PARTNUM(midr) \
}
if ((MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_V1) ||
MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_N2) ||
+ MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_MICROSOFT, MICROSOFT_CPU_PART_COBALT_100) ||
MIDR_IS_CPU_MODEL(OPENSSL_arm_midr, ARM_CPU_IMP_ARM, ARM_CPU_PART_V2)) &&
(OPENSSL_armcap_P & ARMV8_SHA3))
OPENSSL_armcap_P |= ARMV8_UNROLL8_EOR3;