i386: Implement FP vector compares for V2SFmode [PR98218]

i386: Implement FP vector compares for V2SFmode [PR98218]

Implement FP vector compares for V2SFmode for TARGET_MMX_WITH_SSE.

2021-05-12  Uroš Bizjak  <ubizjak@gmail.com>

gcc/
	PR target/98218
	* config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
	* config/i386/mmx.md (MMXMODE124): New mode iterator.
	(V2FI): Ditto.
	(mmxintvecmode): New mode attribute.
	(mmxintvecmodelower): Ditto.
	(*mmx_maskcmpv2sf3_comm): New insn pattern.
	(*mmx_maskcmpv2sf3): Ditto.
	(vec_cmpv2sfv2si): New expander.
	(vcond<V2FI:mode>v2si): Ditto.
	(mmx_vlendvps): New insn pattern.
	(vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
	(vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
	(vcond_mask_<mode><mmxintvecmodelower>): Ditto.

gcc/testsuite/

	PR target/98218
	* g++.target/i386/pr98218-1.C: Ditto.
	* gcc.target/i386/pr98218-4.c: New test.

	* gcc.target/i386/pr98218-1.c: Correct PR number.
	* gcc.target/i386/pr98218-1a.c: Ditto.
	* gcc.target/i386/pr98218-2.c: Ditto.
	* gcc.target/i386/pr98218-2a.c: Ditto.
	* gcc.target/i386/pr98218-3.c: Ditto.
	* gcc.target/i386/pr98218-3a.c: Ditto.