[Bug target/52144] ARM should support arm/thumb function attribute to permit different instruction sets in the same source

[chrbr at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52144

--- Comment #4 from chrbr at gcc dot gnu.org ---
Author: chrbr
Date: Tue May 26 14:06:17 2015
New Revision: 223699

URL: https://gcc.gnu.org/viewcvs?rev=223699&root=gcc&view=rev
Log:
 2015-05-13  Christian Bruel  <christian.br...@st.com>

        PR target/52144
        * config/arm/arm.c (arm_option_check_internal)
        (arm_option_params_internal): Check opts->target_flags to set macros.
        (TREE_TARGET_ARM, TREE_TARGET_THUMB)
        (TREE_TARGET_THUMB1, TREE_TARGET_THUMB2) Replace with...
        (TARGET_ARM_P, TARGET_THUMB_P, TARGET_THUMB1_P, TARGET_THUMB2_P)
        (builtin_define): Replaced with def_or_undef_macro.
        * config/arm/arm.h (TREE_TARGET_ARM, TREE_TARGET_THUMB)
        TREE_TARGET_THUMB1, TREE_TARGET_THUMB2) Redefine with...
        (TARGET_ARM_P, TARGET_THUMB_P, TARGET_THUMB1_P, TARGET_THUMB2_P)
        (TARGET_32BIT_P, TARGET_ARM_QBIT_P, TARGET_ARM_SAT_P, TARGET_IDIV_P)
        (TARGET_HAVE_LDREX_P, TARGET_HAVE_LDREXBH_P, TARGET_HAVE_LDREXD_P)
        (TARGET_ARM_FEATURE_LDREX_P)
        (TARGET_DSP_MULTIPLY_P, TARGET_INT_SIMD_P): New macros.
        (def_or_undef_macro): New function.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm-c.c
    trunk/gcc/config/arm/arm.c
    trunk/gcc/config/arm/arm.h