On October 23, 2015 2:24:26 PM GMT+02:00, Matthew Wahab
<matthew.wa...@foss.arm.com> wrote:
>The ARMv8.1 architecture extension adds two Adv.SIMD instructions,.
>This
>patch adds support in Dejagnu for ARMv8.1 Adv.SIMD specifiers and
>checks.
>
>The new test options are
>- { dg-add-options arm_v8_1a_neon }: Add compiler options needed to
> enable ARMv8.1 Adv.SIMD.
>- { dg-require-effective-target arm_v8_1a_neon_hw }: Require a target
> capable of executing ARMv8.1 Adv.SIMD instructions.
>
>The new options support AArch64 only.
>
>Tested the series for aarch64-none-linux-gnu with native bootstrap and
>make check on an ARMv8 architecture. Also tested aarch64-none-elf with
>cross-compiled check-gcc on an ARMv8.1 emulator.
+# Return 1 if the target supports the ARMv8.1 Adv.SIMD extension, 0
+# otherwise. The test is valid for AArch64.
+
+proc check_effective_target_arm_v8_1a_neon_ok_nocache { } {
+ return [check_no_compiler_messages_nocache arm_v8_1a_neon_ok assembly {
+ #if !defined (__ARM_FEATURE_QRDMX)
+ #error FOO
+ #endif
+ } [add_options_for_arm_v8_1a_neon ""]]
+}
Please error with something more meaningful than FOO, !__ARM_FEATURE_QRDMX
comes to mind.
TIA,
