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Cui, Lili 80d61d8d61 Support APX GPR32 with rex2 prefix 
APX uses the REX2 prefix to support EGPR for map0 and map1 of legacy
instructions. We added the NoEgpr flag in i386-gen.c for instructions
that do not support EGPR.

gas/ChangeLog:

2023-12-28  Lingling Kong <lingling.kong@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>
	    Lili Cui <lili.cui@intel.com>
	    Lin Hu   <lin1.hu@intel.com>

	* config/tc-i386.c
	(enum i386_error): Add unsupported_EGPR_for_addressing
	and invalid_pseudo_prefix.
	(struct _i386_insn): Add rex2 and rex2_encoding for
	gpr32.
	(cpu_arch): Add apx_f.
	(is_cpu): Ditto.
	(register_number): Handle RegRex2 for gpr32.
	(is_apx_rex2_encoding): New func. Test rex2 prefix encoding.
	(build_rex2_prefix): New func. Build legacy insn in
	opcode 0/1 use gpr32 with rex2 prefix.
	(establish_rex): Handle rex2 and rex2_encoding.
	(optimize_encoding): Handel add r16-r31 for registers.
	(md_assemble): Handle apx encoding.
	(parse_insn): Handle Prefix_REX2.
	(check_EgprOperands): New func. Check if Egprs operands
	are valid for the instruction
	(match_template):  Handle Egpr operands check.
	(set_rex_rex2):  New func. set i.rex and i.rex2.
	(build_modrm_byte): Ditto.
	(output_insn): Handle rex2 2-byte prefix output.
	(check_register): Handle check egpr illegal without
	target apx, 64-bit mode and with rex_prefix.
	* doc/c-i386.texi: Document .apx.
	* testsuite/gas/i386/ilp32/x86-64-opcode-inval-intel.d: D5 valid
	in 64-bit mode.
	* testsuite/gas/i386/ilp32/x86-64-opcode-inval.d: Ditto.
	* testsuite/gas/i386/rex-bad: Adjust rex testcase.
	* testsuite/gas/i386/x86-64-opcode-inval-intel.d: Ditto.
	* testsuite/gas/i386/x86-64-opcode-inval.d: Ditto.
	* testsuite/gas/i386/x86-64-opcode-inval.s: Ditto.
	* testsuite/gas/i386/x86-64-pseudos-bad.l: Add illegal rex2 test.
	* testsuite/gas/i386/x86-64-pseudos-bad.s: Ditto.
	* testsuite/gas/i386/x86-64-pseudos.d: Add rex2 test.
	* testsuite/gas/i386/x86-64-pseudos.s: Ditto.
	* testsuite/gas/i386/x86-64.exp: Run APX tests.
	* testsuite/gas/i386/x86-64-apx-egpr-inval.l: New test.
	* testsuite/gas/i386/x86-64-apx-egpr-inval.s: New test.
	* testsuite/gas/i386/x86-64-apx-rex2.d: New test.
	* testsuite/gas/i386/x86-64-apx-rex2.s: New test.

include/ChangeLog:

	* opcode/i386.h (REX2_OPCODE): New.
	(REX2_M): Ditto.

opcodes/ChangeLog:

	* i386-dis.c (struct instr_info): Add erex for gpr32.
	Add last_erex_prefix for rex2 prefix.
	(REX2_M): Extend for gpr32.
	(PREFIX_REX2): Ditto.
	(PREFIX_REX2_ILLEGAL): Ditto.
	(ckprefix): Ditto.
	(prefix_name): Ditto.
	(print_insn): Ditto.
	(print_register): Ditto.
	(OP_E_memory): Ditto.
	(OP_REG): Ditto.
	(OP_EX): Ditto.
	* i386-gen.c (rex2_disallowed): Some instructions are not allowed rex2 prefix.
	(process_i386_opcode_modifier): Set NoEgpr for VEX and some special instructions.
	(output_i386_opcode): Handle if_entry_needs_special_handle.
	* i386-init.h : Regenerated.
	* i386-mnem.h : Regenerated.
	* i386-opc.h (enum i386_cpu): Add CpuAPX_F.
	(NoEgpr): New.
	(Prefix_NoOptimize): Ditto.
	(Prefix_REX2): Ditto.
	(RegRex2): Ditto.
	* i386-opc.tbl: Add rex2 prefix.
	* i386-reg.tbl: Add egprs (r16-r31).
	* i386-tbl.h: Regenerated.
2023-12-28 11:14:41 +00:00
..
aout Delete include/aout/encap.h 2023-05-30 12:51:22 +09:30
cgen Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
coff Add basic support for RISC-V 64-bit EFI objects 2023-12-05 13:20:27 +01:00
elf LoongArch: Add support for TLS LD/GD/DESC relaxation 2023-12-25 11:46:22 +08:00
gdb Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
mach-o Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
opcode Support APX GPR32 with rex2 prefix 2023-12-28 11:14:41 +00:00
sim sim: info: convert verbose field to a bool 2023-01-18 20:47:55 -05:00
som Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
vms Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
alloca-conf.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
ansidecl.h c++: source position of lambda captures [PR84471] 2023-08-12 09:58:22 +09:30
bfdlink.h Add ability to change linker warning messages into errors when reporting executable stacks and/or executable segments. 2023-11-10 11:37:27 +00:00
binary-io.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
bout.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
ChangeLog libiberty, ld: Use x86 HW optimized sha1 2023-11-28 13:29:58 +01:00
ChangeLog-0415
ChangeLog-2016
ChangeLog-2017
ChangeLog-2018
ChangeLog-2019
ChangeLog-2020
ChangeLog-9103
collectorAPI.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
COPYING
COPYING3
ctf-api.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
ctf.h ctf: fix various dreadful typos in the ctf_archive format comments 2023-01-12 14:40:47 +00:00
demangle.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
diagnostics.h gdbsupport: ignore -Wenum-constexpr-conversion in enum-flags.h 2023-03-06 21:00:52 -05:00
dis-asm.h kvx: New port. 2023-08-16 14:22:54 +01:00
dwarf2.def Add some new DW_IDX_* constants 2023-12-10 14:55:22 -07:00
dwarf2.h Updated constants from <https://dwarfstd.org/Languages.php> 2023-08-12 09:58:22 +09:30
dyn-string.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
environ.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
fibheap.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
filenames.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
floatformat.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
fnmatch.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
fopen-bin.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
fopen-same.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
fopen-vms.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
gcc-c-fe.def Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
gcc-c-interface.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
gcc-cp-fe.def Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
gcc-cp-interface.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
gcc-interface.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
getopt.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
hashtab.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
hp-symtab.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
leb128.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
libcollector.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
libfcollector.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
libiberty.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
longlong.h LoongArch: implement count_{leading,trailing}_zeros 2023-08-12 09:58:22 +09:30
lto-symtab.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
MAINTAINERS Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
md5.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
oasys.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
objalloc.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
obstack.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
os9k.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
partition.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
plugin-api.h PR29961, plugin-api.h: "Could not detect architecture endianess" 2023-05-17 11:21:43 +09:30
safe-ctype.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
sframe-api.h sframe: bfd: gas: ld: format bump to SFrame version 2 2023-06-29 16:31:58 -07:00
sframe.h sframe: bfd: gas: ld: format bump to SFrame version 2 2023-06-29 16:31:58 -07:00
sha1.h libiberty, ld: Use x86 HW optimized sha1 2023-11-28 13:29:58 +01:00
simple-object.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
sort.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
splay-tree.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
symcat.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
timeval-utils.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
vtv-change-permission.h Libvtv: Add loongarch support. 2023-08-12 09:58:22 +09:30
xregex2.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
xregex.h
xtensa-config.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
xtensa-dynconfig.h gcc: xtensa: add data alignment properties to dynconfig 2023-08-12 10:24:26 +09:30
xtensa-isa-internal.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30
xtensa-isa.h Update year range in copyright notice of binutils files 2023-01-01 21:50:11 +10:30