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Przemyslaw Wirkus dd4a72c859 aarch64: Add CSR PDEC instruction 
This patch adds:
+ New feature +csre to -march command line.
+ New instruction CSR PDEC associated with CSRE feature.

Please note that CSRE system registers were already upstreamed. This patch
should finalize CSRE feature implementation.

CSRE feature adds CSR PDEC (Decrements Call stack pointer by the size of
a Call stack record) instruction. Although this instruction has operand
(PDEC) it's instruction's only operand. PDEC forces instruction field Rt
to be set to 0b1111. This results in fixed opcode of the instruction.

gas/ChangeLog:

2020-10-27  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

	* NEWS: Update docs.
	* config/tc-aarch64.c (parse_csr_operand): New operand parser.
	(parse_operands): Call to CSR operand parser.
	* testsuite/gas/aarch64/csre_csr-invalid.d: New test.
	* testsuite/gas/aarch64/csre_csr-invalid.l: New test.
	* testsuite/gas/aarch64/csre_csr-invalid.s: New test.
	* testsuite/gas/aarch64/csre_csr.d: New test.
	* testsuite/gas/aarch64/csre_csr.s: New test.

include/ChangeLog:

2020-10-27  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

	* opcode/aarch64.h (AARCH64_FEATURE_CSRE): New -march feature.
	(enum aarch64_opnd): New CSR instruction field AARCH64_OPND_CSRE_CSR.

opcodes/ChangeLog:

2020-10-27  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

	* aarch64-opc.c (aarch64_print_operand): CSR PDEC operand print-out.
	* aarch64-tbl.h (CSRE): New CSRE feature handler.
	(_CSRE_INSN): New CSRE instruction type.
	(struct aarch64_opcode): New 'csre' entry for a CSRE CLI feature.
	* aarch64-asm-2.c: Regenerated.
	* aarch64-dis-2.c: Regenerated.
	* aarch64-opc-2.c: Regenerated.
2020-10-28 14:19:42 +00:00
..
aout Fixes for the magic number used in PDP11 AOUT binaries. 2020-04-14 14:41:27 +01:00
cgen Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
coff Remove powerpc PE support 2020-07-09 22:58:16 +09:30
elf RISC-V: Support GNU indirect functions. 2020-10-16 10:11:18 +08:00
gdb Update copyright year range in all GDB files. 2020-01-01 10:20:53 +04:00
mach-o Recognize some new Mach-O load commands 2020-06-22 14:29:20 +01:00
opcode aarch64: Add CSR PDEC instruction 2020-10-28 14:19:42 +00:00
som PR26457 UBSAN: som.c:1794 left shift cannot be represented 2020-08-31 20:28:09 +09:30
vms Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
alloca-conf.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
ansidecl.h Update libiberty sources with changes in the gcc mainline. 2020-01-17 14:13:22 +00:00
bfdlink.h elf: Add -z unique-symbol to avoid duplicated local symbol names 2020-09-12 05:37:43 -07:00
binary-io.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
bout.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
ChangeLog CSKY: Add version flag in eflag and fix bug in disassembling register. 2020-10-26 16:20:10 +08:00
ChangeLog-0415 binutils ChangeLog rotation 2016-01-01 22:59:17 +10:30
ChangeLog-2016 ChangeLog rotation 2017-01-02 13:55:05 +10:30
ChangeLog-2017 ChangeLog rotation 2018-01-03 17:49:42 +10:30
ChangeLog-2018 ChangeLog rotation 2019-01-01 21:25:40 +10:30
ChangeLog-2019 ChangeLog rotation 2020-01-01 18:12:08 +10:30
ChangeLog-9103 Add copyright notices 2012-12-10 12:48:03 +00:00
COPYING
COPYING3
ctf-api.h Remove libctf/mkerrors.sed 2020-10-21 11:52:17 -06:00
ctf.h libctf: error out on corrupt CTF with invalid header flags 2020-07-22 17:57:54 +01:00
demangle.h Update libiberty sources with changes in the gcc mainline. 2020-01-17 14:13:22 +00:00
diagnostics.h ada-lex.l: Ignore register diagnostic also for g++ defaulting to ISO C++17 2020-08-23 12:14:34 +02:00
dis-asm.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
dwarf2.def Sync libiberty and include with GCC for get_DW_UT_name. 2020-09-24 22:55:24 +02:00
dwarf2.h Sync libiberty and include with GCC for get_DW_UT_name. 2020-09-24 22:55:24 +02:00
dyn-string.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
environ.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
fibheap.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
filenames.h Sync config, include and libiberty with GCC 2020-06-24 16:52:48 -07:00
floatformat.h Sync include, libiberty with GCC. 2020-09-11 11:32:00 -07:00
fnmatch.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
fopen-bin.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
fopen-same.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
fopen-vms.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
gcc-c-fe.def Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
gcc-c-interface.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
gcc-cp-fe.def Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
gcc-cp-interface.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
gcc-interface.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
getopt.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
hashtab.h Merge upstream GCC changes for include/ and libiberty/ directories 2020-02-25 17:04:42 +00:00
hp-symtab.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
leb128.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
libiberty.h Remove the use of the register keyword in the libiberty.h header file - it is deprecated and incompatible with C++17. 2020-06-25 11:16:42 +01:00
longlong.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
lto-symtab.h include: Sync lto-symtab.h and plugin-api.h with GCC 2020-03-21 03:39:18 -07:00
MAINTAINERS Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
md5.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
oasys.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
objalloc.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
obstack.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
os9k.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
partition.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
plugin-api.h include: Sync plugin-api.h with GCC 2020-04-01 02:36:11 -07:00
progress.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
safe-ctype.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
sha1.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
simple-object.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
sort.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
splay-tree.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
symcat.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
timeval-utils.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
vtv-change-permission.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
xregex.h merge from gcc 2011-07-25 17:11:48 +00:00
xregex2.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
xtensa-config.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
xtensa-isa-internal.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30
xtensa-isa.h Update year range in copyright notice of binutils files 2020-01-01 18:42:54 +10:30