[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 #28 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Author: tnfchris
Date: Tue Feb  6 11:20:55 2018
New Revision: 257410

URL: https://gcc.gnu.org/viewcvs?rev=257410&root=gcc&view=rev
Log:
2018-02-06  Tamar Christina  <tamar.christina@arm.com>

        PR target/82641
        * config/arm/arm.c (arm_print_asm_arch_directives): Record already
        emitted arch directives.
        * config/arm/arm-c.c (arm_cpu_builtins): Undefine __ARM_ARCH and
        __ARM_FEATURE_COPROC before changing architectures.

gcc/testsuite
2018-02-06  Tamar Christina  <tamar.christina@arm.com>

        PR target/82641
        * gcc.target/arm/pragma_arch_switch_2.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/arm/pragma_arch_switch_2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm-c.c
    trunk/gcc/config/arm/arm.c
    trunk/gcc/testsuite/ChangeLog