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The MVE ACLE allows for __ARM_MVE_PRESERVE_USER_NAMESPACE to be defined, which removes definitions for intrinsic functions without the __arm_ prefix. __arm_vld1q_z* and __arm_vst1q_p* are currently implemented via calls to vldr* and vstr*, which results in several compile-time errors when __ARM_MVE_PRESERVE_USER_NAMESPACE is defined. This patch replaces these with calls to their prefixed counterparts, __arm_vldr* and __arm_str*, and adds a test covering the definition of __ARM_MVE_PRESERVE_USER_NAMESPACE. gcc/ChangeLog: PR target/108442 * config/arm/arm_mve.h (__arm_vst1q_p_u8): Use prefixed intrinsic function. (__arm_vst1q_p_s8): Likewise. (__arm_vld1q_z_u8): Likewise. (__arm_vld1q_z_s8): Likewise. (__arm_vst1q_p_u16): Likewise. (__arm_vst1q_p_s16): Likewise. (__arm_vld1q_z_u16): Likewise. (__arm_vld1q_z_s16): Likewise. (__arm_vst1q_p_u32): Likewise. (__arm_vst1q_p_s32): Likewise. (__arm_vld1q_z_u32): Likewise. (__arm_vld1q_z_s32): Likewise. (__arm_vld1q_z_f16): Likewise. (__arm_vst1q_p_f16): Likewise. (__arm_vld1q_z_f32): Likewise. (__arm_vst1q_p_f32): Likewise. gcc/testsuite/ChangeLog: * gcc.target/arm/mve/general/preserve_user_namespace_1.c: New test.
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