re PR target/48678 (unable to find a register to spill in class ‘GENERAL_REGS’)

re PR target/48678 (unable to find a register to spill in class ‘GENERAL_REGS’)

	PR target/48678
	* config/i386/i386.md (insv): Change operand 0 constraint to
	"register_operand".  Change operand 1 and 2 constraint to
	"const_int_operand".  Expand to pinsr{b,w,d,q} * when appropriate.
	* config/i386/sse.md (sse4_1_pinsrb): Export.
	(sse2_pinsrw): Ditto.
	(sse4_1_pinsrd): Ditto.
	(sse4_1_pinsrq): Ditto.
	* config/i386/i386-protos.h (ix86_expand_pinsr): Add prototype.
	* config/i386/i386.c (ix86_expand_pinsr): New.

testsuite/ChangeLog:

	PR target/48678
	* gcc.target/i386/sse2-pinsrw.c: New test.
	* gcc.target/i386/avx-vpinsrw.c: Ditto.
	* gcc.target/i386/sse4_1-insvqi.c: Ditto.
	* gcc.target/i386/sse2-insvhi.c: Ditto.
	* gcc.target/i386/sse4_1-insvsi.c: Ditto.
	* gcc.target/i386/sse4_1-insvdi.c: Ditto.

From-SVN: r172792