re PR target/38222 (gcc.target/i386/sse4_2-popcntl.c fails on i686-apple-darwin9)

re PR target/38222 (gcc.target/i386/sse4_2-popcntl.c fails on i686-apple-darwin9)

	PR target/38222
	* config/i386/i386.md (SWI248): New mode iterator.
	(SWI32): Remove mode iterator.
	(popcount<mode>2): Rename from popcounthi2, popcountsi2 and
	popcounthi2 insn patterns. Macroize pattern using SWI248 mode
	iterator.  Generate popcnt mnemonic without mode extensions
	for Darwin x86 targets.
	(*popcount<mode>2_cmp): Ditto.
	(*popcountsi2_cmp_zext): Generate popcnt mnemonic without mode
	extensions for Darwin x86 targets.

testsuite/ChangeLog:

	PR target/38222
	* gcc.target/i386/funcspec-3.c: Scan for popcnt on Darwin targets.

From-SVN: r142121