[Bug target/82641] Unable to enable crc32 for a certain function with target attribute on ARM (aarch32)

[tnfchris at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82641

--- Comment #10 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Author: tnfchris
Date: Fri Nov 17 15:53:51 2017
New Revision: 254878

URL: https://gcc.gnu.org/viewcvs?rev=254878&root=gcc&view=rev
Log:
2017-11-17  Tamar Christina  <tamar.christ...@arm.com>

        PR target/82641
        * config/arm/arm.c (arm_valid_target_attribute_rec):
        Parse "arch=" and "+<ext>".
        (arm_valid_target_attribute_tree): Re-init global options.
        (arm_option_override): Make non-static.
        (arm_options_perform_arch_sanity_checks): Make errors fatal.
        * gcc/config/arm/arm-c.c (__ARM_FEATURE_CMSE): Support undef.
        (__ARM_FEATURE_CRC32): Support undef.
        * config/arm/arm_acle.h (__ARM_FEATURE_CRC32): Replace with pragma.
        * doc/extend.texi (ARM Function Attributes): Add pragma and target.

gcc/testsuite/
2017-11-17  Tamar Christina  <tamar.christ...@arm.com>

        PR target/82641
        * gcc.target/arm/pragma_arch_attribute.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/arm/pragma_arch_attribute.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c
    trunk/gcc/config/arm/arm_acle.h
    trunk/gcc/doc/extend.texi
    trunk/gcc/testsuite/ChangeLog