arm: [MVE intrinsics] factorize vcmp

arm: [MVE intrinsics] factorize vcmp

Factorize vcmp so that they use the same pattern.

2022-10-25  Christophe Lyon  <christophe.lyon@arm.com>

	gcc/
	* config/arm/iterators.md (MVE_CMP_M, MVE_CMP_M_F, MVE_CMP_M_N)
	(MVE_CMP_M_N_F, mve_cmp_op1): New.
	(isu): Add VCMP*
	(supf): Likewise.
	* config/arm/mve.md (mve_vcmp<mve_cmp_op>q_n_<mode>): Rename into ...
	(@mve_vcmp<mve_cmp_op>q_n_<mode>): ... this.
	(mve_vcmpeqq_m_f<mode>, mve_vcmpgeq_m_f<mode>)
	(mve_vcmpgtq_m_f<mode>, mve_vcmpleq_m_f<mode>)
	(mve_vcmpltq_m_f<mode>, mve_vcmpneq_m_f<mode>): Merge into ...
	(@mve_vcmp<mve_cmp_op1>q_m_f<mode>): ... this.
	(mve_vcmpcsq_m_u<mode>, mve_vcmpeqq_m_<supf><mode>)
	(mve_vcmpgeq_m_s<mode>, mve_vcmpgtq_m_s<mode>)
	(mve_vcmphiq_m_u<mode>, mve_vcmpleq_m_s<mode>)
	(mve_vcmpltq_m_s<mode>, mve_vcmpneq_m_<supf><mode>): Merge into
	...
	(@mve_vcmp<mve_cmp_op1>q_m_<supf><mode>): ... this.
	(mve_vcmpcsq_m_n_u<mode>, mve_vcmpeqq_m_n_<supf><mode>)
	(mve_vcmpgeq_m_n_s<mode>, mve_vcmpgtq_m_n_s<mode>)
	(mve_vcmphiq_m_n_u<mode>, mve_vcmpleq_m_n_s<mode>)
	(mve_vcmpltq_m_n_s<mode>, mve_vcmpneq_m_n_<supf><mode>): Merge
	into ...
	(@mve_vcmp<mve_cmp_op1>q_m_n_<supf><mode>): ... this.
	(mve_vcmpeqq_m_n_f<mode>, mve_vcmpgeq_m_n_f<mode>)
	(mve_vcmpgtq_m_n_f<mode>, mve_vcmpleq_m_n_f<mode>)
	(mve_vcmpltq_m_n_f<mode>, mve_vcmpneq_m_n_f<mode>): Merge into ...
	(@mve_vcmp<mve_cmp_op1>q_m_n_f<mode>): ... this.