isa-l/crc/aarch64/crc32c_mix_default.S
Taiju Yamada 1187583a97 Fixes for aarch64 mac
- It should be fine to enable pmull always on Apple Silicon
- macOS 12+ is required for PMULL instruction.
- Changed the conditional macro to __APPLE__
- Rewritten dispatcher using sysctlbyname
- Use __USER_LABEL_PREFIX__
- Use __TEXT,__const as readonly section
- use ASM_DEF_RODATA macro
- fix func decl

Change-Id: I800593f21085d8187b480c8bb3ab2bd70c4a6974
Signed-off-by: Taiju Yamada <tyamada@bi.a.u-tokyo.ac.jp>
2022-10-28 08:27:26 -07:00

126 lines
3.0 KiB
ArmAsm

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.text
.arch armv8-a+crypto+crc
.align 6
.macro crc32_u64 dst,src,data
crc32cx \dst,\src,\data
.endm
.macro crc32_u32 dst,src,data
crc32cw \dst,\src,\data
.endm
.macro crc32_u16 dst,src,data
crc32ch \dst,\src,\data
.endm
.macro crc32_u8 dst,src,data
crc32cb \dst,\src,\data
.endm
#include "crc32_mix_default_common.S"
.global cdecl(crc32c_mix_default)
#ifndef __APPLE__
.type crc32c_mix_default, %function
#endif
cdecl(crc32c_mix_default):
mov w3, w2
sxtw x2, w1
mov x1, x0
mov w0, w3
crc32_mix_main_default
#ifndef __APPLE__
.size crc32c_mix_default, .-crc32c_mix_default
#endif
ASM_DEF_RODATA
.align 4
.set lanchor_crc32,. + 0
#ifndef __APPLE__
.type k1k2, %object
.size k1k2, 16
#endif
k1k2:
.xword 0x00740eef02
.xword 0x009e4addf8
#ifndef __APPLE__
.type k3k4, %object
.size k3k4, 16
#endif
k3k4:
.xword 0x00f20c0dfe
.xword 0x014cd00bd6
#ifndef __APPLE__
.type k5k0, %object
.size k5k0, 16
#endif
k5k0:
.xword 0x00dd45aab8
.xword 0
#ifndef __APPLE__
.type poly, %object
.size poly, 16
#endif
poly:
.xword 0x0105ec76f0
.xword 0x00dea713f1
#ifndef __APPLE__
.type crc32_const, %object
.size crc32_const, 48
#endif
crc32_const:
.xword 0x9ef68d35
.xword 0
.xword 0x170076fa
.xword 0
.xword 0xdd7e3b0c
.xword 0
.align 4
.set .lanchor_mask,. + 0
#ifndef __APPLE__
.type mask, %object
.size mask, 16
#endif
mask:
.word -1
.word 0
.word -1
.word 0