commit 5fb807e1e8e68c4ac291f051e60942404ff0c800
author Hongyu Wang <hongyu.wang@intel.com> Tue Nov 07 16:28:28 2023 +0800
committer Hongyu Wang <hongyu.wang@intel.com> Thu Dec 07 09:31:15 2023 +0800
tree 76b3d7b8699bcbf48d021081ac2a272cccde2c3e
parent d1dea413ef3761335bd741263a61e0f31e67b7d6

[APX NDD] Support APX NDD for shld/shrd insns

For shld/shrd insns, the old pattern use match_dup 0 as its shift src and use
+r*m as its constraint. To support NDD we added new define_insns to handle NDD
form pattern with extra input and dest operand to be fixed in register.

gcc/ChangeLog:

	* config/i386/i386.md (x86_64_shld_ndd): New define_insn.
	(x86_64_shld_ndd_1): Likewise.
	(*x86_64_shld_ndd_2): Likewise.
	(x86_shld_ndd): Likewise.
	(x86_shld_ndd_1): Likewise.
	(*x86_shld_ndd_2): Likewise.
	(x86_64_shrd_ndd): Likewise.
	(x86_64_shrd_ndd_1): Likewise.
	(*x86_64_shrd_ndd_2): Likewise.
	(x86_shrd_ndd): Likewise.
	(x86_shrd_ndd_1): Likewise.
	(*x86_shrd_ndd_2): Likewise.
	(*x86_64_shld_shrd_1_nozext): Adjust codegen under TARGET_APX_NDD.
	(*x86_shld_shrd_1_nozext): Likewise.
	(*x86_64_shrd_shld_1_nozext): Likewise.
	(*x86_shrd_shld_1_nozext): Likewise.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/apx-ndd-shld-shrd.c: New test.