6967f19dcd3d2794976b2a193a0c30b626c92c3b - binutils-gdb

commit: 6967f19dcd3d2794976b2a193a0c30b626c92c3b
[log]
author: Hu, Lin1 <lin1.hu@intel.com>
Thu Dec 28 01:06:41 2023 +0000
committer: Cui, Lili <lili.cui@intel.com>
Thu Dec 28 11:45:28 2023 +0000
tree: 74562862174d18799be06ad84b34139e759a90d3
parent: ac32c879b26af580e29ecaa152e3d9d999f34caa [diff]

Support APX NDD optimized encoding.

This patch aims to optimize:

add %r16, %r15, %r15 -> add %r16, %r15

gas/ChangeLog:

	* config/tc-i386.c (check_Rex_required): New function.
	(can_convert_NDD_to_legacy): Ditto.
	(match_template): If we can optimzie APX NDD insns, so rematch
	template.
	* testsuite/gas/i386/x86-64.exp: Add test.
	* testsuite/gas/i386/x86-64-apx-ndd-optimize.d: New test.
	* testsuite/gas/i386/x86-64-apx-ndd-optimize.s: Ditto.

gas/config/tc-i386.c[diff]
gas/testsuite/gas/i386/x86-64-apx-ndd-optimize.d[Added - diff]
gas/testsuite/gas/i386/x86-64-apx-ndd-optimize.s[Added - diff]
gas/testsuite/gas/i386/x86-64.exp[diff]

4 files changed