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This patch adds C++ polymorphism for the MVE intrinsics, by using the native C++ polymorphic functions when C++ is used. It also moves the PRESERVE name macro definitions to the right place so that the variants without the '__arm_' prefix are not available if we define the PRESERVE NAMESPACE macro. This patch further fixes two testisms that were brought to light by C++ testing added in this patch. gcc/ChangeLog: 2020-04-07 Andre Vieira <andre.simoesdiasvieira@arm.com> * config/arm/arm_mve.h: Add C++ polymorphism and fix preserve MACROs. gcc/testsuite/ChangeLog: 2020-04-07 Andre Vieira <andre.simoesdiasvieira@arm.com> * g++.target/arm/mve.exp: New. * gcc.target/arm/mve/intrinsics/vcmpneq_n_f16: Fix testism. * gcc.target/arm/mve/intrinsics/vcmpneq_n_f32: Likewise.
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