https://svn.boost.org/trac/boost/ticket/12551
https://github.com/boostorg/context/commit/26b61a67cf1d

--- libs/context/src/asm/jump_arm64_aapcs_elf_gas.S.orig	2016-09-21 14:33:22 UTC
+++ libs/context/src/asm/jump_arm64_aapcs_elf_gas.S
@@ -37,7 +37,6 @@
  *                                                     *
  *******************************************************/
 
-.cpu    generic+fp+simd
 .text
 .align  2
 .global jump_fcontext
--- libs/context/src/asm/make_arm64_aapcs_elf_gas.S.orig	2016-09-21 14:33:22 UTC
+++ libs/context/src/asm/make_arm64_aapcs_elf_gas.S
@@ -37,7 +37,6 @@
  *                                                     *
  *******************************************************/
 
-.cpu    generic+fp+simd
 .text
 .align  2
 .global make_fcontext
--- libs/context/src/asm/ontop_arm64_aapcs_elf_gas.S.orig	2016-09-21 14:33:22 UTC
+++ libs/context/src/asm/ontop_arm64_aapcs_elf_gas.S
@@ -37,7 +37,6 @@
  *                                                     *
  *******************************************************/
 
-.cpu    generic+fp+simd
 .text
 .align  2
 .global ontop_fcontext