arm: [MVE intrinsics] factorize vrmlaldavhaq vrmlaldavhaxq vrmlsldavhaq vrmlsldavhaxq

arm: [MVE intrinsics] factorize vrmlaldavhaq vrmlaldavhaxq vrmlsldavhaq vrmlsldavhaxq

Factorize vrmlaldavhaq, vrmlaldavhaxq, vrmlsldavhaq, vrmlsldavhaxq
builtins so that they use the same parameterized names.

2022-12-12  Christophe Lyon  <christophe.lyon@arm.com>

	gcc/
	* config/arm/iterators.md (MVE_VRMLxLDAVHAxQ)
	(MVE_VRMLxLDAVHAxQ_P): New.
	(mve_insn): Add vrmlaldavha, vrmlaldavhax, vrmlsldavha,
	vrmlsldavhax.
	(supf): Add VRMLALDAVHAXQ_P_S, VRMLALDAVHAXQ_S, VRMLSLDAVHAQ_P_S,
	VRMLSLDAVHAQ_S, VRMLSLDAVHAXQ_P_S, VRMLSLDAVHAXQ_S,
	VRMLALDAVHAQ_P_S.
	* config/arm/mve.md (mve_vrmlaldavhaq_<supf>v4si)
	(mve_vrmlaldavhaxq_sv4si, mve_vrmlsldavhaxq_sv4si)
	(mve_vrmlsldavhaq_sv4si): Merge into ...
	(@mve_<mve_insn>q_<supf>v4si): ... this.
	(mve_vrmlaldavhaq_p_sv4si, mve_vrmlaldavhaq_p_uv4si)
	(mve_vrmlaldavhaxq_p_sv4si, mve_vrmlsldavhaq_p_sv4si)
	(mve_vrmlsldavhaxq_p_sv4si): Merge into ...
	(@mve_<mve_insn>q_p_<supf>v4si): ... this.