This is the mail archive of the binutils@sourceware.org mailing list for the binutils project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH, BINUTILS, AARCH64, 4/8] Add Tag setting instructions in Memory Tagging Extension


On 02/11/18 16:09, Sudakshina Das wrote:
> Hi Richard
> 
> On 30/10/18 09:53, Richard Earnshaw (lists) wrote:
>> On 09/10/2018 18:24, Sudakshina Das wrote:
>>> Hi
>>>
>>> This patch is part of the patch series to add support for ARMv8.5-A
>>> Memory Tagging Extensions.
>>> (https://developer.arm.com/products/architecture/cpu-architecture/a-profile/exploration-tools) 
>>>
>>> Memory Tagging Extension (MTE) is an optional extension to
>>> ARMv8.5-A and is enabled using the +memtag command line option.
>>>
>>> This patch add support to the Tag setting instructions from
>>> MTE which consists of the following instructions:
>>> - STG [<Xn|SP>, #<simm>]
>>> - STG [<Xn|SP>, #<simm>]!
>>> - STG [<Xn|SP>], #<simm>
>>> - STZG [<Xn|SP>, #<simm>]
>>> - STZG [<Xn|SP>, #<simm>]!
>>> - STZG [<Xn|SP>], #<simm>
>>> - ST2G [<Xn|SP>, #<simm>]
>>> - ST2G [<Xn|SP>, #<simm>]!
>>> - ST2G [<Xn|SP>], #<simm>
>>> - STZ2G [<Xn|SP>, #<simm>]
>>> - STZ2G [<Xn|SP>, #<simm>]!
>>> - STZ2G [<Xn|SP>], #<simm>
>>> - STGP <Xt>, <Xt2>, [<Xn|SP>, #<imm>]
>>> - STGP <Xt>, <Xt2>, [<Xn|SP>, #<imm>]!
>>> - STGP <Xt>, <Xt2>, [<Xn|SP>], #<imm>
>>>
>>> where
>>> <Xn|SP> : Is the 64-bit GPR or Stack pointer.
>>> <simm> : Is the optional signed immediate offset, a multiple of 16
>>> in the range -4096 to 4080, defaulting to 0.
>>>
>>> Testing done: Builds and reg tests all pass on aarch64-none-linux-gnu.
>>> Added test.
>>>
>>> Is this ok for trunk?
>>>
>>> Thanks
>>> Sudi
>>>
>>> *** include/ChangeLog ***
>>>
>>> 2018-xx-xx  Sudakshina Das  <sudi.das@arm.com>
>>>
>>>     * opcode/aarch64.h (aarch64_opnd): Add AARCH64_OPND_ADDR_SIMM11
>>>     and AARCH64_OPND_ADDR_SIMM13.
>>>     (aarch64_opnd_qualifier): Add new AARCH64_OPND_QLF_imm_tag.
>>>
>>> *** opcodes/ChangeLog ***
>>>
>>> 2018-xx-xx  Sudakshina Das  <sudi.das@arm.com>
>>>
>>>     * aarch64-opc.c (aarch64_opnd_qualifiers): Add new data
>>>     for AARCH64_OPND_QLF_imm_tag.
>>>     (operand_general_constraint_met_p): Add case for
>>>     AARCH64_OPND_ADDR_SIMM11 and AARCH64_OPND_ADDR_SIMM13.
>>>     (aarch64_print_operand): Likewise.
>>>     * aarch64-tbl.h (QL_LDST_AT, QL_STGP): New.
>>>     (aarch64_opcode_table): Add stg, stzg, st2g, stz2g and stgp
>>>     for both offset and pre/post indexed versions.
>>>     (AARCH64_OPERANDS): Define ADDR_SIMM11 and ADDR_SIMM13.
>>>     * aarch64-asm-2.c: Regenarated.
>>>     * aarch64-dis-2.c: Regenerated.
>>>     * aarch64-opc-2.c: Regenerated.
>>>
>>> *** gas/ChangeLog ***
>>>
>>> 2018-xx-xx  Sudakshina Das  <sudi.das@arm.com>
>>>
>>>     * config/tc-aarch64.c (parse_operands): Add switch case for
>>>     AARCH64_OPND_ADDR_SIMM11 and AARCH64_OPND_ADDR_SIMM13.
>>>     (fix_insn): Likewise.
>>>     * testsuite/gas/aarch64/armv8_5-a-mte.s: Add tests for stg,
>>>     st2g, stzg, stz2g and stgp.
>>>     * testsuite/gas/aarch64/armv8_5-a-mte.d: Likewise.
>>>
>>
>> aarch64-opc.c
>>
>> Same issues as earlier patch re independent if clauses and mte/memtag.
>>
>> Otherwise OK.
>>
>> R.
>>
> *** include/ChangeLog ***
> 
> 2018-xx-xx  Sudakshina Das  <sudi.das@arm.com>
> 
>      * opcode/aarch64.h (aarch64_opnd): Add AARCH64_OPND_ADDR_SIMM11
>      and AARCH64_OPND_ADDR_SIMM13.
>      (aarch64_opnd_qualifier): Add new AARCH64_OPND_QLF_imm_tag.
> 
> *** opcodes/ChangeLog ***
> 
> 2018-xx-xx  Sudakshina Das  <sudi.das@arm.com>
> 
>      * aarch64-opc.c (aarch64_opnd_qualifiers): Add new data
>      for AARCH64_OPND_QLF_imm_tag.
>      (operand_general_constraint_met_p): Add case for
>      AARCH64_OPND_ADDR_SIMM11 and AARCH64_OPND_ADDR_SIMM13.
>      (aarch64_print_operand): Likewise.
>      * aarch64-tbl.h (QL_LDST_AT, QL_STGP): New.
>      (aarch64_opcode_table): Add stg, stzg, st2g, stz2g and stgp
>      for both offset and pre/post indexed versions.
>      (AARCH64_OPERANDS): Define ADDR_SIMM11 and ADDR_SIMM13.
>      * aarch64-asm-2.c: Regenerated.
>      * aarch64-dis-2.c: Regenerated.
>      * aarch64-opc-2.c: Regenerated.
> 
> *** gas/ChangeLog ***
> 
> 2018-xx-xx  Sudakshina Das  <sudi.das@arm.com>
> 
>      * config/tc-aarch64.c (parse_operands): Add switch case for
>      AARCH64_OPND_ADDR_SIMM11 and AARCH64_OPND_ADDR_SIMM13.
>      (fix_insn): Likewise.
>      (warn_unpredictable_ldst): Exempt STGP.
>      * testsuite/gas/aarch64/armv8_5-a-memtag.s: Add tests for stg,
>      st2g, stzg, stz2g and stgp.
>      * testsuite/gas/aarch64/armv8_5-a-memtag.d: Likewise.
>      * testsuite/gas/aarch64/illegal-memtag.s: Likewise.
>      * testsuite/gas/aarch64/illegal-memtag.l: Likewise.
> 
New patch. Changelog still applies.

Sudi

> Thanks
> Sudi
> 
> 


diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 5f79e92c04ad8fba38cbc4fdf2664bfd63e1b891..a5eee96233d78bbdcedc552597d056cb442fb245 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -6214,6 +6214,8 @@ parse_operands (char *str, const aarch64_opcode *opcode)
 
 	case AARCH64_OPND_ADDR_SIMM9:
 	case AARCH64_OPND_ADDR_SIMM9_2:
+	case AARCH64_OPND_ADDR_SIMM11:
+	case AARCH64_OPND_ADDR_SIMM13:
 	  po_misc_or_fail (parse_address (&str, info));
 	  if (info->addr.pcrel || info->addr.offset.is_reg
 	      || (!info->addr.preind && !info->addr.postind)
@@ -6773,6 +6775,8 @@ warn_unpredictable_ldst (aarch64_instruction *instr, char *str)
 	  && (opnds[0].reg.regno == opnds[2].addr.base_regno
 	    || opnds[1].reg.regno == opnds[2].addr.base_regno)
 	  && opnds[2].addr.base_regno != REG_SP
+	  /* Exempt STGP.  */
+	  && !(opnds[2].type == AARCH64_OPND_ADDR_SIMM11)
 	  && opnds[2].addr.writeback)
 	    as_warn (_("unpredictable transfer with writeback -- `%s'"), str);
       /* Load operations must load different registers.  */
@@ -7674,6 +7678,8 @@ fix_insn (fixS *fixP, uint32_t flags, offsetT value)
     case AARCH64_OPND_ADDR_SIMM9_2:
     case AARCH64_OPND_ADDR_SIMM10:
     case AARCH64_OPND_ADDR_UIMM12:
+    case AARCH64_OPND_ADDR_SIMM11:
+    case AARCH64_OPND_ADDR_SIMM13:
       /* Immediate offset in an address.  */
       insn = get_aarch64_insn (buf);
 
diff --git a/gas/testsuite/gas/aarch64/armv8_5-a-memtag.d b/gas/testsuite/gas/aarch64/armv8_5-a-memtag.d
index a7cb6c4a6adcced8d1ec6c56f6f5293f3d4f773d..41406464bb84731e6bc65aa65f008efec6def905 100644
--- a/gas/testsuite/gas/aarch64/armv8_5-a-memtag.d
+++ b/gas/testsuite/gas/aarch64/armv8_5-a-memtag.d
@@ -55,3 +55,61 @@ Disassembly of section \.text:
 .*:	badb037f 	cmpp	x27, x27
 .*:	bac003ff 	cmpp	sp, x0
 .*:	badf001f 	cmpp	x0, sp
+.*:	d920081f 	stg	\[x0\]
+.*:	d9200b7f 	stg	\[x27\]
+.*:	d93fb81f 	stg	\[x0, #-80\]
+.*:	d9200c1f 	stg	\[x0, #0\]!
+.*:	d920ac1f 	stg	\[x0, #160\]!
+.*:	d920041f 	stg	\[x0\], #0
+.*:	d93a641f 	stg	\[x0\], #-1440
+.*:	d92ffbff 	stg	\[sp, #4080\]
+.*:	d9300bff 	stg	\[sp, #-4096\]
+.*:	d92fffff 	stg	\[sp, #4080\]!
+.*:	d93007ff 	stg	\[sp\], #-4096
+.*:	d960081f 	stzg	\[x0\]
+.*:	d9600b7f 	stzg	\[x27\]
+.*:	d97fb81f 	stzg	\[x0, #-80\]
+.*:	d9600c1f 	stzg	\[x0, #0\]!
+.*:	d960ac1f 	stzg	\[x0, #160\]!
+.*:	d960041f 	stzg	\[x0\], #0
+.*:	d97a641f 	stzg	\[x0\], #-1440
+.*:	d96ffbff 	stzg	\[sp, #4080\]
+.*:	d9700bff 	stzg	\[sp, #-4096\]
+.*:	d96fffff 	stzg	\[sp, #4080\]!
+.*:	d97007ff 	stzg	\[sp\], #-4096
+.*:	d9a0081f 	st2g	\[x0\]
+.*:	d9a00b7f 	st2g	\[x27\]
+.*:	d9bfb81f 	st2g	\[x0, #-80\]
+.*:	d9a00c1f 	st2g	\[x0, #0\]!
+.*:	d9a0ac1f 	st2g	\[x0, #160\]!
+.*:	d9a0041f 	st2g	\[x0\], #0
+.*:	d9ba641f 	st2g	\[x0\], #-1440
+.*:	d9affbff 	st2g	\[sp, #4080\]
+.*:	d9b00bff 	st2g	\[sp, #-4096\]
+.*:	d9afffff 	st2g	\[sp, #4080\]!
+.*:	d9b007ff 	st2g	\[sp\], #-4096
+.*:	d9e0081f 	stz2g	\[x0\]
+.*:	d9e00b7f 	stz2g	\[x27\]
+.*:	d9ffb81f 	stz2g	\[x0, #-80\]
+.*:	d9e00c1f 	stz2g	\[x0, #0\]!
+.*:	d9e0ac1f 	stz2g	\[x0, #160\]!
+.*:	d9e0041f 	stz2g	\[x0\], #0
+.*:	d9fa641f 	stz2g	\[x0\], #-1440
+.*:	d9effbff 	stz2g	\[sp, #4080\]
+.*:	d9f00bff 	stz2g	\[sp, #-4096\]
+.*:	d9efffff 	stz2g	\[sp, #4080\]!
+.*:	d9f007ff 	stz2g	\[sp\], #-4096
+.*:	69000000 	stgp	x0, x0, \[x0\]
+.*:	69006c00 	stgp	x0, x27, \[x0\]
+.*:	6900001b 	stgp	x27, x0, \[x0\]
+.*:	69006c1b 	stgp	x27, x27, \[x0\]
+.*:	69000360 	stgp	x0, x0, \[x27\]
+.*:	693d8000 	stgp	x0, x0, \[x0, #-80\]
+.*:	69800000 	stgp	x0, x0, \[x0, #0\]!
+.*:	69850000 	stgp	x0, x0, \[x0, #160\]!
+.*:	68800000 	stgp	x0, x0, \[x0\], #0
+.*:	68bb8000 	stgp	x0, x0, \[x0\], #-144
+.*:	691f801f 	stgp	xzr, x0, \[x0, #1008\]
+.*:	69207c00 	stgp	x0, xzr, \[x0, #-1024\]
+.*:	699f83e0 	stgp	x0, x0, \[sp, #1008\]!
+.*:	68a003e0 	stgp	x0, x0, \[sp\], #-1024
diff --git a/gas/testsuite/gas/aarch64/armv8_5-a-memtag.s b/gas/testsuite/gas/aarch64/armv8_5-a-memtag.s
index f17f87efdb4ad92e89739028235b0ba8f5add0d9..729dae6f49eb74c0e11c4ff0ed02f4ab22e5bcdf 100644
--- a/gas/testsuite/gas/aarch64/armv8_5-a-memtag.s
+++ b/gas/testsuite/gas/aarch64/armv8_5-a-memtag.s
@@ -16,6 +16,20 @@ func:
 	\op x27, x27, #0, #0
 	.endm
 
+	.macro expand_stg op
+	\op [x0, #0]
+	\op [x27, #0]
+	\op [x0, #-80]
+	\op [x0, #0]!
+	\op [x0, #160]!
+	\op [x0], #0
+	\op [x0], #-1440
+	\op [sp, #4080]
+	\op [sp, #-4096]
+	\op [sp, #4080]!
+	\op [sp], #-4096
+	.endm
+
 	# IRG
 	expand_3_reg irg
 	irg sp, x0
@@ -55,3 +69,23 @@ func:
 	cmpp x27, x27
 	cmpp sp, x0
 	cmpp x0, sp
+
+	expand_stg stg
+	expand_stg stzg
+	expand_stg st2g
+	expand_stg stz2g
+
+	stgp x0, x0, [x0, #0]
+	stgp x0, x27, [x0, #0]
+	stgp x27, x0, [x0, #0]
+	stgp x27, x27, [x0, #0]
+	stgp x0, x0, [x27, #0]
+	stgp x0, x0, [x0, #-80]
+	stgp x0, x0, [x0, #0]!
+	stgp x0, x0, [x0, #160]!
+	stgp x0, x0, [x0], #0
+	stgp x0, x0, [x0], #-144
+	stgp xzr, x0, [x0, #1008]
+	stgp x0, xzr, [x0, #-1024]
+	stgp x0, x0, [sp, #1008]!
+	stgp x0, x0, [sp], #-1024
diff --git a/gas/testsuite/gas/aarch64/illegal-memtag.l b/gas/testsuite/gas/aarch64/illegal-memtag.l
index 4da0c3540a353b968dc8a54161881bcc220f0bd6..dd568ccd4eea69d329343cc66ef1d2868968b6c5 100644
--- a/gas/testsuite/gas/aarch64/illegal-memtag.l
+++ b/gas/testsuite/gas/aarch64/illegal-memtag.l
@@ -4,6 +4,12 @@
 [^:]*:[0-9]+: Error: immediate value out of range 0 to 1008 at operand 3 -- `subg x1,x2,-16,#0x3'
 [^:]*:[0-9]+: Error: immediate value out of range 0 to 15 at operand 4 -- `addg x1,x2,#0x3f0,#0x10'
 [^:]*:[0-9]+: Error: immediate value out of range 0 to 15 at operand 4 -- `subg x1,x2,#0x3f0,-4'
+[^:]*:[0-9]+: Error: immediate value must be a multiple of 16 at operand 1 -- `stg \[x1,#15\]'
+[^:]*:[0-9]+: Error: immediate offset out of range -4096 to 4080 at operand 1 -- `stzg \[x1,#-4097]!'
+[^:]*:[0-9]+: Error: immediate offset out of range -4096 to 4080 at operand 1 -- `st2g \[x1],#4096'
+[^:]*:[0-9]+: Error: immediate offset out of range -1024 to 1008 at operand 3 -- `stgp x1,x2,\[x3,#1009\]'
+[^:]*:[0-9]+: Error: immediate value must be a multiple of 16 at operand 3 -- `stgp x1,x2,\[x3,#33\]'
+[^:]*:[0-9]+: Error: immediate offset out of range -1024 to 1008 at operand 3 -- `stgp x1,x2,\[x3,#-1025\]'
 [^:]*:[0-9]+: Error: operand 1 must be an integer or stack pointer register -- `irg xzr,x2,x3'
 [^:]*:[0-9]+: Error: operand 2 must be an integer or stack pointer register -- `irg x1,xzr,x3'
 [^:]*:[0-9]+: Error: operand 3 must be an integer register -- `irg x1,x2,sp'
@@ -20,3 +26,10 @@
 [^:]*:[0-9]+: Error: operand 3 must be an integer or stack pointer register -- `subps x1,x2,xzr'
 [^:]*:[0-9]+: Error: operand 1 must be an integer or stack pointer register -- `cmpp xzr,x2'
 [^:]*:[0-9]+: Error: operand 2 must be an integer or stack pointer register -- `cmpp x2,xzr'
+[^:]*:[0-9]+: Error: 64-bit integer or SP register expected at operand 1 -- `stg \[xzr,#0\]'
+[^:]*:[0-9]+: Error: 64-bit integer or SP register expected at operand 1 -- `st2g \[xzr,#0]!'
+[^:]*:[0-9]+: Error: 64-bit integer or SP register expected at operand 1 -- `stzg \[xzr],#0'
+[^:]*:[0-9]+: Error: 64-bit integer or SP register expected at operand 1 -- `stz2g \[xzr,#0\]'
+[^:]*:[0-9]+: Error: operand 1 must be an integer register -- `stgp sp,x2,\[x3\]'
+[^:]*:[0-9]+: Error: operand 2 must be an integer register -- `stgp x1,sp,\[x3\]'
+[^:]*:[0-9]+: Error: 64-bit integer or SP register expected at operand 3 -- `stgp x0,x0,\[xzr\]'
diff --git a/gas/testsuite/gas/aarch64/illegal-memtag.s b/gas/testsuite/gas/aarch64/illegal-memtag.s
index 7eab07f4d85591df898ed14f0d2ff86327445892..2a66366ebdec78cba3b4d453eaa6681dd78fc1e0 100644
--- a/gas/testsuite/gas/aarch64/illegal-memtag.s
+++ b/gas/testsuite/gas/aarch64/illegal-memtag.s
@@ -8,6 +8,16 @@ func:
 	addg x1, x2, #0x3f0, #0x10
 	subg x1, x2, #0x3f0, -4
 
+	# STG/STZG/ST2G : Fail imm
+	stg [x1, #15]
+	stzg [x1, #-4097]!
+	st2g [x1], #4096
+
+	# STGP : Fail imm
+	stgp x1, x2, [x3, #1009]
+	stgp x1, x2, [x3, #33]
+	stgp x1, x2, [x3, #-1025]
+
 	# Illegal SP/XZR registers
 	irg xzr, x2, x3
 	irg x1, xzr, x3
@@ -25,3 +35,10 @@ func:
 	subps x1, x2, xzr
 	cmpp xzr, x2
 	cmpp x2, xzr
+	stg [xzr, #0]
+	st2g [xzr, #0]!
+	stzg [xzr], #0
+	stz2g [xzr, #0]
+	stgp sp, x2, [x3]
+	stgp x1, sp, [x3]
+	stgp x0, x0, [xzr]
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index d6e639db9727273e0a6a4e17f54a1f0b99d08b74..c4c573a478944eca1ef0f7bb84dd95d8354a8e78 100644
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -286,7 +286,11 @@ enum aarch64_opnd
 				   the mnemonic name for LDUR/STUR instructions
 				   wherever there is no ambiguity.  */
   AARCH64_OPND_ADDR_SIMM10,	/* Address of signed 10-bit immediate.  */
+  AARCH64_OPND_ADDR_SIMM11,	/* Address with a signed 11-bit (multiple of
+				   16) immediate.  */
   AARCH64_OPND_ADDR_UIMM12,	/* Address of unsigned 12-bit immediate.  */
+  AARCH64_OPND_ADDR_SIMM13,	/* Address with a signed 13-bit (multiple of
+				   16) immediate.  */
   AARCH64_OPND_SIMD_ADDR_SIMPLE,/* Address of ld/st multiple structures.  */
   AARCH64_OPND_ADDR_OFFSET,     /* Address with an optional 9-bit immediate.  */
   AARCH64_OPND_SIMD_ADDR_POST,	/* Address of ld/st multiple post-indexed.  */
@@ -467,6 +471,10 @@ enum aarch64_opnd_qualifier
   AARCH64_OPND_QLF_P_Z,
   AARCH64_OPND_QLF_P_M,
 
+  /* Used in scaled signed immediate that are scaled by a Tag granule
+     like in stg, st2g, etc.   */
+  AARCH64_OPND_QLF_imm_tag,
+
   /* Constraint on value.  */
   AARCH64_OPND_QLF_CR,		/* CRn, CRm. */
   AARCH64_OPND_QLF_imm_0_7,
diff --git a/opcodes/aarch64-asm.c b/opcodes/aarch64-asm.c
index fc7ac88f1a0ef35f21e27cbf248ee8e45643f597..e53b98a67f9dc9e0b4638695b9c03d55234c5025 100644
--- a/opcodes/aarch64-asm.c
+++ b/opcodes/aarch64-asm.c
@@ -690,7 +690,8 @@ aarch64_ins_addr_simm (const aarch64_operand *self,
   insert_field (FLD_Rn, code, info->addr.base_regno, 0);
   /* simm (imm9 or imm7) */
   imm = info->addr.offset.imm;
-  if (self->fields[0] == FLD_imm7)
+  if (self->fields[0] == FLD_imm7
+     || info->qualifier == AARCH64_OPND_QLF_imm_tag)
     /* scaled immediate in ld/st pair instructions..  */
     imm >>= get_logsz (aarch64_get_qualifier_esize (info->qualifier));
   insert_field (self->fields[0], code, imm, 0);
diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index b37741a9aae8c383e94c47f210795a7643f93aa3..defb53dfd2566149f11052f713bf048ecc30334d 100644
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -1067,7 +1067,8 @@ aarch64_ext_addr_simm (const aarch64_operand *self, aarch64_opnd_info *info,
   /* simm (imm9 or imm7)  */
   imm = extract_field (self->fields[0], code, 0);
   info->addr.offset.imm = sign_extend (imm, fields[self->fields[0]].width - 1);
-  if (self->fields[0] == FLD_imm7)
+  if (self->fields[0] == FLD_imm7
+      || info->qualifier == AARCH64_OPND_QLF_imm_tag)
     /* scaled immediate in ld/st pair instructions.  */
     info->addr.offset.imm *= aarch64_get_qualifier_esize (info->qualifier);
   /* qualifier */
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index d73542f2409786e3537458c5c78d3560594335a1..433336f76848db91da1577b740faea3c2c3bcd68 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -721,6 +721,9 @@ struct operand_qualifier_data aarch64_opnd_qualifiers[] =
   {0, 0, 0, "z", OQK_OPD_VARIANT},
   {0, 0, 0, "m", OQK_OPD_VARIANT},
 
+  /* Qualifier for scaled immediate for Tag granule (stg,st2g,etc).  */
+  {16, 0, 0, "tag", OQK_OPD_VARIANT},
+
   /* Qualifiers constraining the value range.
      First 3 fields:
      Lower bound, higher bound, unused.  */
@@ -1668,6 +1671,36 @@ operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
 	    }
 	  break;
 
+	case AARCH64_OPND_ADDR_SIMM11:
+	  /* Signed 11 bits immediate offset (multiple of 16).  */
+	  if (!value_in_range_p (opnd->addr.offset.imm, -1024, 1008))
+	    {
+	      set_offset_out_of_range_error (mismatch_detail, idx, -1024, 1008);
+	      return 0;
+	    }
+
+	  if (!value_aligned_p (opnd->addr.offset.imm, 16))
+	    {
+	      set_unaligned_error (mismatch_detail, idx, 16);
+	      return 0;
+	    }
+	  break;
+
+	case AARCH64_OPND_ADDR_SIMM13:
+	  /* Signed 13 bits immediate offset (multiple of 16).  */
+	  if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4080))
+	    {
+	      set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4080);
+	      return 0;
+	    }
+
+	  if (!value_aligned_p (opnd->addr.offset.imm, 16))
+	    {
+	      set_unaligned_error (mismatch_detail, idx, 16);
+	      return 0;
+	    }
+	  break;
+
 	case AARCH64_OPND_SIMD_ADDR_POST:
 	  /* AdvSIMD load/store multiple structures, post-index.  */
 	  assert (idx == 1);
@@ -3559,6 +3592,8 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
     case AARCH64_OPND_ADDR_SIMM9:
     case AARCH64_OPND_ADDR_SIMM9_2:
     case AARCH64_OPND_ADDR_SIMM10:
+    case AARCH64_OPND_ADDR_SIMM11:
+    case AARCH64_OPND_ADDR_SIMM13:
     case AARCH64_OPND_ADDR_OFFSET:
     case AARCH64_OPND_SVE_ADDR_RI_S4x16:
     case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
diff --git a/opcodes/aarch64-tbl.h b/opcodes/aarch64-tbl.h
index 498315835593add8efcc097948005ce53fb66556..e70d318d934621b6ef0609033d2257ac439d0ca3 100644
--- a/opcodes/aarch64-tbl.h
+++ b/opcodes/aarch64-tbl.h
@@ -125,6 +125,12 @@
   QLF1(X),			\
 }
 
+/* e.g. STG [<Xn|SP>, #<imm9>].  */
+#define QL_LDST_AT		\
+{				\
+  QLF1(imm_tag),		\
+}
+
 /* e.g. RBIT <Wd>, <Wn>.  */
 #define QL_I2SAME		\
 {				\
@@ -1218,6 +1224,12 @@
   QLF3(X, X, S_S),		\
 }
 
+/* e.g. STGP <Xt1>, <Xt2>, [<Xn|SP>{, #<imm>}].  */
+#define QL_STGP			\
+{				\
+  QLF3(X, X, imm_tag),		\
+}
+
 /* e.g. STP <Wt1>, <Wt2>, [<Xn|SP>, #<imm>]!.  */
 #define QL_LDST_PAIR_R		\
 {				\
@@ -3218,6 +3230,15 @@ struct aarch64_opcode aarch64_opcode_table[] =
   CORE_INSN ("str", 0xb8000400, 0xbfe00400, ldst_imm9, 0, OP2 (Rt, ADDR_SIMM9), QL_LDST_R, F_GPRSIZE_IN_Q),
   CORE_INSN ("ldr", 0xb8400400, 0xbfe00400, ldst_imm9, 0, OP2 (Rt, ADDR_SIMM9), QL_LDST_R, F_GPRSIZE_IN_Q),
   CORE_INSN ("ldrsw", 0xb8800400, 0xffe00400, ldst_imm9, 0, OP2 (Rt, ADDR_SIMM9), QL_LDST_X32, 0),
+  /* Load/store Allocation Tag instructions.  */
+  MEMTAG_INSN ("stg",  0xd920081f, 0xffe00c1f, ldst_unscaled, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
+  MEMTAG_INSN ("stzg", 0xd960081f, 0xffe00c1f, ldst_unscaled, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
+  MEMTAG_INSN ("st2g", 0xd9a0081f, 0xffe00c1f, ldst_unscaled, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
+  MEMTAG_INSN ("stz2g",0xd9e0081f, 0xffe00c1f, ldst_unscaled, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
+  MEMTAG_INSN ("stg",  0xd920041f, 0xffe0041f, ldst_imm9, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
+  MEMTAG_INSN ("stzg", 0xd960041f, 0xffe0041f, ldst_imm9, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
+  MEMTAG_INSN ("st2g", 0xd9a0041f, 0xffe0041f, ldst_imm9, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
+  MEMTAG_INSN ("stz2g",0xd9e0041f, 0xffe0041f, ldst_imm9, OP1 (ADDR_SIMM13), QL_LDST_AT, 0),
   /* Load/store register (unsigned immediate).  */
   CORE_INSN ("strb", 0x39000000, 0xffc00000, ldst_pos, OP_STRB_POS, OP2 (Rt, ADDR_UIMM12), QL_LDST_W8, 0),
   CORE_INSN ("ldrb", 0x39400000, 0xffc00000, ldst_pos, OP_LDRB_POS, OP2 (Rt, ADDR_UIMM12), QL_LDST_W8, 0),
@@ -3314,12 +3335,14 @@ struct aarch64_opcode aarch64_opcode_table[] =
   CORE_INSN ("stp", 0x2d000000, 0x3fc00000, ldstpair_off, 0, OP3 (Ft, Ft2, ADDR_SIMM7), QL_LDST_PAIR_FP, 0),
   CORE_INSN ("ldp", 0x2d400000, 0x3fc00000, ldstpair_off, 0, OP3 (Ft, Ft2, ADDR_SIMM7), QL_LDST_PAIR_FP, 0),
   {"ldpsw", 0x69400000, 0xffc00000, ldstpair_off, 0, CORE, OP3 (Rt, Rt2, ADDR_SIMM7), QL_LDST_PAIR_X32, 0, 0, 0, VERIFIER (ldpsw)},
+  MEMTAG_INSN ("stgp", 0x69000000, 0xffc00000, ldstpair_off, OP3 (Rt, Rt2, ADDR_SIMM11), QL_STGP, 0),
   /* Load/store register pair (indexed).  */
   CORE_INSN ("stp", 0x28800000, 0x7ec00000, ldstpair_indexed, 0, OP3 (Rt, Rt2, ADDR_SIMM7), QL_LDST_PAIR_R, F_SF),
   CORE_INSN ("ldp", 0x28c00000, 0x7ec00000, ldstpair_indexed, 0, OP3 (Rt, Rt2, ADDR_SIMM7), QL_LDST_PAIR_R, F_SF),
   CORE_INSN ("stp", 0x2c800000, 0x3ec00000, ldstpair_indexed, 0, OP3 (Ft, Ft2, ADDR_SIMM7), QL_LDST_PAIR_FP, 0),
   CORE_INSN ("ldp", 0x2cc00000, 0x3ec00000, ldstpair_indexed, 0, OP3 (Ft, Ft2, ADDR_SIMM7), QL_LDST_PAIR_FP, 0),
   {"ldpsw", 0x68c00000, 0xfec00000, ldstpair_indexed, 0, CORE, OP3 (Rt, Rt2, ADDR_SIMM7), QL_LDST_PAIR_X32, 0, 0, 0, VERIFIER (ldpsw)},
+  MEMTAG_INSN ("stgp", 0x68800000, 0xfec00000, ldstpair_indexed, OP3 (Rt, Rt2, ADDR_SIMM11), QL_STGP, 0),
   /* Load register (literal).  */
   CORE_INSN ("ldr",   0x18000000, 0xbf000000, loadlit, OP_LDR_LIT,   OP2 (Rt, ADDR_PCREL19),    QL_R_PCREL, F_GPRSIZE_IN_Q),
   CORE_INSN ("ldr",   0x1c000000, 0x3f000000, loadlit, OP_LDRV_LIT,  OP2 (Ft, ADDR_PCREL19),    QL_FP_PCREL, 0),
@@ -4628,8 +4651,12 @@ struct aarch64_opcode aarch64_opcode_table[] =
       "an address with 9-bit negative or unaligned immediate offset")	\
     Y(ADDRESS, addr_simm10, "ADDR_SIMM10", 0, F(FLD_Rn,FLD_S_imm10,FLD_imm9,FLD_index),\
       "an address with 10-bit scaled, signed immediate offset")		\
+    Y(ADDRESS, addr_simm, "ADDR_SIMM11", 0, F(FLD_imm7,FLD_index2),\
+      "an address with 11-bit signed immediate (multiple of 16) offset")\
     Y(ADDRESS, addr_uimm12, "ADDR_UIMM12", 0, F(FLD_Rn,FLD_imm12),	\
       "an address with scaled, unsigned immediate offset")		\
+    Y(ADDRESS, addr_simm, "ADDR_SIMM13", 0, F(FLD_imm9,FLD_index),\
+      "an address with 13-bit signed immediate (multiple of 16) offset")\
     Y(ADDRESS, addr_simple, "SIMD_ADDR_SIMPLE", 0, F(),			\
       "an address with base register (no offset)")			\
     Y(ADDRESS, addr_offset, "ADDR_OFFSET", 0, F(FLD_Rn,FLD_imm9,FLD_index),\


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]