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Merge #612: Allow field_10x26_arm.s to compile for ARMv7 architecture 

d4d270a Allow field_10x26_arm.s to compile for ARMv7 architecture (Roman Zeyde)

Pull request description:

  It would allow using optimized field operations on the TREZOR device, which is using ARMv7 Cortex-M4.
  Following https://github.com/trezor/trezor-core/pull/500 and part of https://github.com/trezor/trezor-firmware/issues/66.

Tree-SHA512: 73c0f03503feff01c6f4efd884e916ae1f43f55d525e8c3ea9372cf777aef6901585b74774c316dd7937abfff5e86be5b1acb569f9eeee9b73ae088f0f6b589d
This commit is contained in:
Gregory Maxwell 2019-05-09 22:23:41 +00:00
parent b19c000063 d4d270a59c
commit 84a808598b
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src/asm/field_10x26_arm.s
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@ -16,15 +16,9 @@ Note:
*/ */
.syntax unified .syntax unified
.arch armv7-a
@ eabi attributes - see readelf -A @ eabi attributes - see readelf -A
.eabi_attribute 8, 1 @ Tag_ARM_ISA_use = yes
.eabi_attribute 9, 0 @ Tag_Thumb_ISA_use = no
.eabi_attribute 10, 0 @ Tag_FP_arch = none
.eabi_attribute 24, 1 @ Tag_ABI_align_needed = 8-byte .eabi_attribute 24, 1 @ Tag_ABI_align_needed = 8-byte
.eabi_attribute 25, 1 @ Tag_ABI_align_preserved = 8-byte, except leaf SP .eabi_attribute 25, 1 @ Tag_ABI_align_preserved = 8-byte, except leaf SP
.eabi_attribute 30, 2 @ Tag_ABI_optimization_goals = Aggressive Speed
.eabi_attribute 34, 1 @ Tag_CPU_unaligned_access = v6
.text .text
@ Field constants @ Field constants