re PR target/68617 (arm ice output_operand: invalid %-code for -march=armv6k + thumb)

re PR target/68617 (arm ice output_operand: invalid %-code for  -march=armv6k + thumb)

2015-12-01  Christian Bruel  <christian.bruel@st.com>

        PR target/68617
        * config/arm/arm.opt (unaligned_access): Save.
        * config/arm/arm-c.c (__ARM_FEATURE_UNALIGNED): Conditionally define.
        * config/arm/arm.c (arm_option_override): Move unaligned_access setting
        (arm_option_override_internal): ... here.
        * config/arm/arm.h (TARGET_32BIT_P): New macro.

// testsuite
        PR target/68617
        * gcc.target/arm/attr-unaligned-load-ice.c: New test.

From-SVN: r231114