re PR target/78967 (inserts are not effective)

 target/78967
	* config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
	(*insvqi_1): New insn pattern.
	(*insvqi_1_mem_rex64): Ditto.
	(*insvqi_2): Ditto.
	(*insvqi_3): Rename from *insvqi.

	(*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.

testsuite/ChangeLog:

	PR target/78967
	* gcc.target/i386/pr78967-1.c: New test.
	* gcc.target/i386/pr78967-2.c: Ditto.
	* gcc.target/i386/pr78967-3.c: Ditto.

	* gcc.target/i386/pr78904-2.c: Tighten scan-asm patterns.
	* gcc.target/i386/pr78904-4.c: Ditto.
	* gcc.target/i386/pr78904-6.c: Ditto.

From-SVN: r244006