boringssl/crypto/cpu-arm-asm.S
Adam Langley 8f5e2ebcee Don't probe for NEON with SIGILL on aarch64.
We assume that AArch64 systems are modern enough to have getauxval.

Change-Id: I4cc74f04ca5ed50b8ca1cfd00afeaaa01c6caca0
Reviewed-on: https://boringssl-review.googlesource.com/3280
Reviewed-by: Adam Langley <agl@google.com>
2015-02-03 19:56:25 +00:00

33 lines
1.1 KiB
ArmAsm

# Copyright (c) 2014, Google Inc.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#if !defined(OPENSSL_NO_ASM) && defined(__arm__)
.syntax unified
.cpu cortex-a8
.fpu neon
.text
.thumb
.align 2
.global CRYPTO_arm_neon_probe
.hidden CRYPTO_arm_neon_probe
.type CRYPTO_arm_neon_probe, %function
.thumb_func
CRYPTO_arm_neon_probe:
vorr q1, q1, q1
bx lr
.section .note.GNU-stack,"",%progbits
#endif /* !OPENSSL_NO_ASM && __arm__ */