arm: [MVE intrinsics factorize vcmulq

arm: [MVE intrinsics factorize vcmulq

Factorize vcmulq builtins so that they use parameterized names.

We can merged them with vcadd.

2023-07-13  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/:
	* config/arm/arm_mve_builtins.def (vcmulq_rot90_f)
	(vcmulq_rot270_f, vcmulq_rot180_f, vcmulq_f): Add "_f" suffix.
	* config/arm/iterators.md (MVE_VCADDQ_VCMULQ)
	(MVE_VCADDQ_VCMULQ_M): New.
	(mve_insn): Add vcmul.
	(rot): Add VCMULQ_M_F, VCMULQ_ROT90_M_F, VCMULQ_ROT180_M_F,
	VCMULQ_ROT270_M_F.
	(VCMUL): Delete.
	(mve_rot): Add VCMULQ_M_F, VCMULQ_ROT90_M_F, VCMULQ_ROT180_M_F,
	VCMULQ_ROT270_M_F.
	* config/arm/mve.md (mve_vcmulq<mve_rot><mode>): Merge into
	@mve_<mve_insn>q<mve_rot>_f<mode>.
	(mve_vcmulq_m_f<mode>, mve_vcmulq_rot180_m_f<mode>)
	(mve_vcmulq_rot270_m_f<mode>, mve_vcmulq_rot90_m_f<mode>): Merge
	into @mve_<mve_insn>q<mve_rot>_m_f<mode>.