2016-05-31 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
* config/arm/arm-protos.h (arm_arch_thumb1): Declare.
* config/arm/arm.c (arm_arch_thumb1): Define.
(arm_option_override): Initialize arm_arch_thumb1.
* config/arm/arm.h (arm_arch_thumb1): Declare.
(TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
support Thumb-1 ISA.
gcc/testsuite/
* gcc.target/arm/armv5_thumb_isa.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236913 138bc75d-0d04-0410-961f-82ee72b054a4