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From: "Cui, Lili" <lili.cui@intel.com>
To: binutils@sourceware.org
Cc: hongjiu.lu@intel.com, jbeulich@suse.com, "Mo,
	Zewei" <zewei.mo@intel.com>
Subject: [PATCH V5 6/9] Support APX Push2/Pop2
Date: Thu, 28 Dec 2023 01:27:11 +0000	[thread overview]
Message-ID: <20231228012714.2989658-7-lili.cui@intel.com> (raw)
In-Reply-To: <20231228012714.2989658-1-lili.cui@intel.com>

From: "Mo, Zewei" <zewei.mo@intel.com>

PPX functionality for PUSH/POP is not implemented in this patch
and will be implemented separately.

gas/ChangeLog:

2023-12-28  Zewei Mo <zewei.mo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>
            Lili Cui <lili.cui@intel.com>

	* config/tc-i386.c: (enum i386_error):
	New unsupported_rsp_register and invalid_src_register_set.
	(md_assemble): Add handler for unsupported_rsp_register and
	invalid_src_register_set.
	(check_APX_operands): Add invalid check for push2/pop2.
	(match_template): Handle check_APX_operands.
	* testsuite/gas/i386/i386.exp: Add apx-push2pop2 tests.
	* testsuite/gas/i386/x86-64.exp: Ditto.
	* testsuite/gas/i386/x86-64-apx-push2pop2.d: New test.
	* testsuite/gas/i386/x86-64-apx-push2pop2.s: Ditto.
	* testsuite/gas/i386/x86-64-apx-push2pop2-intel.d: Ditto.
	* testsuite/gas/i386/x86-64-apx-push2pop2-inval.l: Ditto.
	* testsuite/gas/i386/x86-64-apx-push2pop2-inval.s: Ditto.
	* testsuite/gas/i386/apx-push2pop2-inval.s: Ditto.
	* testsuite/gas/i386/apx-push2pop2-inval.d: Ditto.
	* testsuite/gas/i386/x86-64-apx-evex-promoted-bad.d: Added bad
	testcases for POP2.
	* testsuite/gas/i386/x86-64-apx-evex-promoted-bad.s: Ditto.

opcodes/ChangeLog:

	* i386-dis-evex-reg.h: Add REG_EVEX_MAP4_8F.
	* i386-dis-evex-w.h: Add EVEX_W_MAP4_8F_R_0 and EVEX_W_MAP4_FF_R_6
	* i386-dis-evex.h: Add REG_EVEX_MAP4_8F.
	* i386-dis.c (PUSH2_POP2_Fixup): Add special handling for PUSH2/POP2.
	(get_valid_dis386): Add handler for vector length and address_mode for
	APX-Push2/Pop2 insn.
	(nd): define nd as b for EVEX-promoted instrutions.
	(OP_VEX): Add handler of 64-bit vvvv register for APX-Push2/Pop2 insn.
	* i386-gen.c: Add Push2Pop2 bitfield.
	* i386-opc.h: Regenerated.
	* i386-opc.tbl: Regenerated.
---
 gas/config/tc-i386.c                          | 44 +++++++++++++++++++
 gas/testsuite/gas/i386/apx-push2pop2-inval.l  |  5 +++
 gas/testsuite/gas/i386/apx-push2pop2-inval.s  |  9 ++++
 gas/testsuite/gas/i386/i386.exp               |  1 +
 .../gas/i386/x86-64-apx-evex-promoted-bad.d   |  5 +++
 .../gas/i386/x86-64-apx-evex-promoted-bad.s   |  7 +++
 .../gas/i386/x86-64-apx-push2pop2-intel.d     | 42 ++++++++++++++++++
 .../gas/i386/x86-64-apx-push2pop2-inval.l     | 13 ++++++
 .../gas/i386/x86-64-apx-push2pop2-inval.s     | 17 +++++++
 gas/testsuite/gas/i386/x86-64-apx-push2pop2.d | 42 ++++++++++++++++++
 gas/testsuite/gas/i386/x86-64-apx-push2pop2.s | 39 ++++++++++++++++
 gas/testsuite/gas/i386/x86-64.exp             |  3 ++
 opcodes/i386-dis-evex-reg.h                   |  9 ++++
 opcodes/i386-dis-evex-w.h                     | 10 +++++
 opcodes/i386-dis-evex.h                       |  2 +-
 opcodes/i386-dis.c                            | 31 +++++++++++++
 opcodes/i386-opc.tbl                          |  9 ++++
 17 files changed, 287 insertions(+), 1 deletion(-)
 create mode 100644 gas/testsuite/gas/i386/apx-push2pop2-inval.l
 create mode 100644 gas/testsuite/gas/i386/apx-push2pop2-inval.s
 create mode 100644 gas/testsuite/gas/i386/x86-64-apx-push2pop2-intel.d
 create mode 100644 gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.l
 create mode 100644 gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.s
 create mode 100644 gas/testsuite/gas/i386/x86-64-apx-push2pop2.d
 create mode 100644 gas/testsuite/gas/i386/x86-64-apx-push2pop2.s

diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 99b484122e1..8af98e435ef 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -250,6 +250,7 @@ enum i386_error
     invalid_vector_register_set,
     invalid_tmm_register_set,
     invalid_dest_and_src_register_set,
+    invalid_dest_register_set,
     invalid_pseudo_prefix,
     unsupported_vector_index_register,
     unsupported_broadcast,
@@ -259,6 +260,7 @@ enum i386_error
     no_default_mask,
     unsupported_rc_sae,
     unsupported_vector_size,
+    unsupported_rsp_register,
     internal_error,
   };
 
@@ -5510,6 +5512,9 @@ md_assemble (char *line)
 	case invalid_dest_and_src_register_set:
 	  err_msg = _("destination and source registers must be distinct");
 	  break;
+	case invalid_dest_register_set:
+	  err_msg = _("two dest registers must be distinct");
+	  break;
 	case invalid_pseudo_prefix:
 	  err_msg = _("rex2 pseudo prefix cannot be used");
 	  break;
@@ -5538,6 +5543,9 @@ md_assemble (char *line)
 	  as_bad (_("vector size above %u required for `%s'"), 128u << vector_size,
 		  pass1_mnem ? pass1_mnem : insn_name (current_templates.start));
 	  return;
+	case unsupported_rsp_register:
+	  err_msg = _("'rsp' register cannot be used");
+	  break;
 	case internal_error:
 	  err_msg = _("internal error");
 	  break;
@@ -7174,6 +7182,35 @@ check_EgprOperands (const insn_template *t)
   return 0;
 }
 
+/* Check if APX operands are valid for the instruction.  */
+static bool
+check_APX_operands (const insn_template *t)
+{
+  /* Push2* and Pop2* cannot use RSP and Pop2* cannot pop two same registers.
+   */
+  switch (t->mnem_off)
+    {
+    case MN_pop2:
+    case MN_pop2p:
+      if (register_number (i.op[0].regs) == register_number (i.op[1].regs))
+	{
+	  i.error = invalid_dest_register_set;
+	  return 1;
+	}
+    /* fall through */
+    case MN_push2:
+    case MN_push2p:
+      if (register_number (i.op[0].regs) == 4
+	  || register_number (i.op[1].regs) == 4)
+	{
+	  i.error = unsupported_rsp_register;
+	  return 1;
+	}
+      break;
+    }
+  return 0;
+}
+
 /* Helper function for the progress() macro in match_template().  */
 static INLINE enum i386_error progress (enum i386_error new,
 					enum i386_error last,
@@ -7674,6 +7711,13 @@ match_template (char mnem_suffix)
 	  continue;
 	}
 
+      /* Check if APX operands are valid.  */
+      if (check_APX_operands (t))
+	{
+	  specific_error = progress (i.error);
+	  continue;
+	}
+
       /* Check whether to use the shorter VEX encoding for certain insns where
 	 the EVEX encoding comes first in the table.  This requires the respective
 	 AVX-* feature to be explicitly enabled.
diff --git a/gas/testsuite/gas/i386/apx-push2pop2-inval.l b/gas/testsuite/gas/i386/apx-push2pop2-inval.l
new file mode 100644
index 00000000000..a55a71520c8
--- /dev/null
+++ b/gas/testsuite/gas/i386/apx-push2pop2-inval.l
@@ -0,0 +1,5 @@
+.* Assembler messages:
+.*:6: Error: `push2' is only supported in 64-bit mode
+.*:7: Error: `push2p' is only supported in 64-bit mode
+.*:8: Error: `pop2' is only supported in 64-bit mode
+.*:9: Error: `pop2p' is only supported in 64-bit mode
diff --git a/gas/testsuite/gas/i386/apx-push2pop2-inval.s b/gas/testsuite/gas/i386/apx-push2pop2-inval.s
new file mode 100644
index 00000000000..77166327ed1
--- /dev/null
+++ b/gas/testsuite/gas/i386/apx-push2pop2-inval.s
@@ -0,0 +1,9 @@
+# Check 32bit APX-PUSH2/POP2 instructions
+
+	.allow_index_reg
+	.text
+_start:
+	push2 %rax, %rbx
+	push2p %rax, %rbx
+	pop2 %rax, %rbx
+	pop2p %rax, %rbx
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index 3917be6be70..f9ee85b4bb3 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -511,6 +511,7 @@ if [gas_32_check] then {
     run_dump_test "sm4-intel"
     run_list_test "pbndkb-inval"
     run_list_test "user_msr-inval"
+    run_list_test "apx-push2pop2-inval"
     run_list_test "sg"
     run_dump_test "clzero"
     run_dump_test "invlpgb"
diff --git a/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.d b/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.d
index ba14736c3a8..3bfb5dec202 100644
--- a/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.d
+++ b/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.d
@@ -34,3 +34,8 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:[ 	]+62 f4 e4[ 	]+\(bad\)
 [ 	]*[a-f0-9]+:[ 	]+08 ff[ 	]+.*
 [ 	]*[a-f0-9]+:[ 	]+04 08[ 	]+.*
+[ 	]*[a-f0-9]+:[ 	]+62 f4 3c[ 	]+\(bad\)
+[ 	]*[a-f0-9]+:[ 	]+08 8f c0 ff ff ff[ 	]+or.*
+[ 	]*[a-f0-9]+:[ 	]+62 74 7c 18 8f c0[ 	]+pop2   %rax,\(bad\)
+[ 	]*[a-f0-9]+:[ 	]+62 d4 3c 18 8f[ 	]+\(bad\)
+[ 	]*[a-f0-9]+:[ 	]+c0[ 	]+.*
diff --git a/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.s b/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.s
index fcbb1b93659..fde6736e9b2 100644
--- a/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.s
+++ b/gas/testsuite/gas/i386/x86-64-apx-evex-promoted-bad.s
@@ -40,3 +40,10 @@ _start:
 
 	#{evex} inc %rax %rbx EVEX.vvvv != 1111 && EVEX.ND = 0.
 	.insn EVEX.L0.NP.M4.W1 0xff/0, (%rax,%rcx), %rbx
+	# pop2 %rax, %r8 set EVEX.ND=0.
+	.insn EVEX.L0.M4.W0 0x8f/0,  %rax, %r8
+	.byte 0xff, 0xff, 0xff
+	# pop2 %rax, %r8 set EVEX.vvvv = 1111.
+	.insn EVEX.L0.M4.W0 0x8f,  %rax, {rn-sae},%r8
+	# pop2 %r8, %r8.
+	.insn EVEX.L0.M4.W0 0x8f/0,  %r8,{rn-sae}, %r8
diff --git a/gas/testsuite/gas/i386/x86-64-apx-push2pop2-intel.d b/gas/testsuite/gas/i386/x86-64-apx-push2pop2-intel.d
new file mode 100644
index 00000000000..46b21219582
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-push2pop2-intel.d
@@ -0,0 +1,42 @@
+#as: --64
+#objdump: -dw -Mintel
+#name: i386 APX-push2pop2 insns (Intel disassembly)
+#source: x86-64-apx-push2pop2.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+\s*[a-f0-9]+:\s*62 f4 7c 18 ff f3\s+push2\s+rax,rbx
+\s*[a-f0-9]+:\s*62 fc 3c 18 ff f1\s+push2\s+r8,r17
+\s*[a-f0-9]+:\s*62 d4 04 10 ff f1\s+push2\s+r31,r9
+\s*[a-f0-9]+:\s*62 dc 3c 10 ff f7\s+push2\s+r24,r31
+\s*[a-f0-9]+:\s*62 f4 fc 18 ff f3\s+push2p\s+rax,rbx
+\s*[a-f0-9]+:\s*62 fc bc 18 ff f1\s+push2p\s+r8,r17
+\s*[a-f0-9]+:\s*62 d4 84 10 ff f1\s+push2p\s+r31,r9
+\s*[a-f0-9]+:\s*62 dc bc 10 ff f7\s+push2p\s+r24,r31
+\s*[a-f0-9]+:\s*62 f4 64 18 8f c0\s+pop2\s+rbx,rax
+\s*[a-f0-9]+:\s*62 d4 74 10 8f c0\s+pop2\s+r17,r8
+\s*[a-f0-9]+:\s*62 dc 34 18 8f c7\s+pop2\s+r9,r31
+\s*[a-f0-9]+:\s*62 dc 04 10 8f c0\s+pop2\s+r31,r24
+\s*[a-f0-9]+:\s*62 f4 e4 18 8f c0\s+pop2p\s+rbx,rax
+\s*[a-f0-9]+:\s*62 d4 f4 10 8f c0\s+pop2p\s+r17,r8
+\s*[a-f0-9]+:\s*62 dc b4 18 8f c7\s+pop2p\s+r9,r31
+\s*[a-f0-9]+:\s*62 dc 84 10 8f c0\s+pop2p\s+r31,r24
+\s*[a-f0-9]+:\s*62 f4 7c 18 ff f3\s+push2\s+rax,rbx
+\s*[a-f0-9]+:\s*62 fc 3c 18 ff f1\s+push2\s+r8,r17
+\s*[a-f0-9]+:\s*62 d4 04 10 ff f1\s+push2\s+r31,r9
+\s*[a-f0-9]+:\s*62 dc 3c 10 ff f7\s+push2\s+r24,r31
+\s*[a-f0-9]+:\s*62 f4 fc 18 ff f3\s+push2p\s+rax,rbx
+\s*[a-f0-9]+:\s*62 fc bc 18 ff f1\s+push2p\s+r8,r17
+\s*[a-f0-9]+:\s*62 d4 84 10 ff f1\s+push2p\s+r31,r9
+\s*[a-f0-9]+:\s*62 dc bc 10 ff f7\s+push2p\s+r24,r31
+\s*[a-f0-9]+:\s*62 f4 64 18 8f c0\s+pop2\s+rbx,rax
+\s*[a-f0-9]+:\s*62 d4 74 10 8f c0\s+pop2\s+r17,r8
+\s*[a-f0-9]+:\s*62 dc 34 18 8f c7\s+pop2\s+r9,r31
+\s*[a-f0-9]+:\s*62 dc 04 10 8f c0\s+pop2\s+r31,r24
+\s*[a-f0-9]+:\s*62 f4 e4 18 8f c0\s+pop2p\s+rbx,rax
+\s*[a-f0-9]+:\s*62 d4 f4 10 8f c0\s+pop2p\s+r17,r8
+\s*[a-f0-9]+:\s*62 dc b4 18 8f c7\s+pop2p\s+r9,r31
+\s*[a-f0-9]+:\s*62 dc 84 10 8f c0\s+pop2p\s+r31,r24
diff --git a/gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.l b/gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.l
new file mode 100644
index 00000000000..2cd142885a1
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.l
@@ -0,0 +1,13 @@
+.* Assembler messages:
+.*:6: Error: operand size mismatch for `push2'
+.*:7: Error: operand size mismatch for `push2'
+.*:8: Error: 'rsp' register cannot be used for `push2'
+.*:9: Error: 'rsp' register cannot be used for `push2'
+.*:10: Error: operand size mismatch for `push2p'
+.*:11: Error: 'rsp' register cannot be used for `push2p'
+.*:12: Error: operand size mismatch for `pop2'
+.*:13: Error: 'rsp' register cannot be used for `pop2'
+.*:14: Error: 'rsp' register cannot be used for `pop2'
+.*:15: Error: two dest registers must be distinct for `pop2'
+.*:16: Error: 'rsp' register cannot be used for `pop2p'
+.*:17: Error: two dest registers must be distinct for `pop2p'
diff --git a/gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.s b/gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.s
new file mode 100644
index 00000000000..83cef97d57e
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-push2pop2-inval.s
@@ -0,0 +1,17 @@
+# Check illegal APX-Push2Pop2 instructions
+
+	.allow_index_reg
+	.text
+_start:
+	push2  %ax, %bx
+	push2  %eax, %ebx
+	push2  %rsp, %r17
+	push2  %r17, %rsp
+	push2p %eax, %ebx
+	push2p %rsp, %r17
+	pop2   %ax, %bx
+	pop2   %rax, %rsp
+	pop2   %rsp, %rax
+	pop2   %r12, %r12
+	pop2p  %rax, %rsp
+	pop2p  %r12, %r12
diff --git a/gas/testsuite/gas/i386/x86-64-apx-push2pop2.d b/gas/testsuite/gas/i386/x86-64-apx-push2pop2.d
new file mode 100644
index 00000000000..54f22a7f94e
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-push2pop2.d
@@ -0,0 +1,42 @@
+#as: --64
+#objdump: -dw
+#name: x86_64 APX-push2pop2 insns
+#source: x86-64-apx-push2pop2.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+\s*[a-f0-9]+:\s*62 f4 7c 18 ff f3\s+push2\s+%rbx,%rax
+\s*[a-f0-9]+:\s*62 fc 3c 18 ff f1\s+push2\s+%r17,%r8
+\s*[a-f0-9]+:\s*62 d4 04 10 ff f1\s+push2\s+%r9,%r31
+\s*[a-f0-9]+:\s*62 dc 3c 10 ff f7\s+push2\s+%r31,%r24
+\s*[a-f0-9]+:\s*62 f4 fc 18 ff f3\s+push2p\s+%rbx,%rax
+\s*[a-f0-9]+:\s*62 fc bc 18 ff f1\s+push2p\s+%r17,%r8
+\s*[a-f0-9]+:\s*62 d4 84 10 ff f1\s+push2p\s+%r9,%r31
+\s*[a-f0-9]+:\s*62 dc bc 10 ff f7\s+push2p\s+%r31,%r24
+\s*[a-f0-9]+:\s*62 f4 64 18 8f c0\s+pop2\s+%rax,%rbx
+\s*[a-f0-9]+:\s*62 d4 74 10 8f c0\s+pop2\s+%r8,%r17
+\s*[a-f0-9]+:\s*62 dc 34 18 8f c7\s+pop2\s+%r31,%r9
+\s*[a-f0-9]+:\s*62 dc 04 10 8f c0\s+pop2\s+%r24,%r31
+\s*[a-f0-9]+:\s*62 f4 e4 18 8f c0\s+pop2p\s+%rax,%rbx
+\s*[a-f0-9]+:\s*62 d4 f4 10 8f c0\s+pop2p\s+%r8,%r17
+\s*[a-f0-9]+:\s*62 dc b4 18 8f c7\s+pop2p\s+%r31,%r9
+\s*[a-f0-9]+:\s*62 dc 84 10 8f c0\s+pop2p\s+%r24,%r31
+\s*[a-f0-9]+:\s*62 f4 7c 18 ff f3\s+push2\s+%rbx,%rax
+\s*[a-f0-9]+:\s*62 fc 3c 18 ff f1\s+push2\s+%r17,%r8
+\s*[a-f0-9]+:\s*62 d4 04 10 ff f1\s+push2\s+%r9,%r31
+\s*[a-f0-9]+:\s*62 dc 3c 10 ff f7\s+push2\s+%r31,%r24
+\s*[a-f0-9]+:\s*62 f4 fc 18 ff f3\s+push2p\s+%rbx,%rax
+\s*[a-f0-9]+:\s*62 fc bc 18 ff f1\s+push2p\s+%r17,%r8
+\s*[a-f0-9]+:\s*62 d4 84 10 ff f1\s+push2p\s+%r9,%r31
+\s*[a-f0-9]+:\s*62 dc bc 10 ff f7\s+push2p\s+%r31,%r24
+\s*[a-f0-9]+:\s*62 f4 64 18 8f c0\s+pop2\s+%rax,%rbx
+\s*[a-f0-9]+:\s*62 d4 74 10 8f c0\s+pop2\s+%r8,%r17
+\s*[a-f0-9]+:\s*62 dc 34 18 8f c7\s+pop2\s+%r31,%r9
+\s*[a-f0-9]+:\s*62 dc 04 10 8f c0\s+pop2\s+%r24,%r31
+\s*[a-f0-9]+:\s*62 f4 e4 18 8f c0\s+pop2p\s+%rax,%rbx
+\s*[a-f0-9]+:\s*62 d4 f4 10 8f c0\s+pop2p\s+%r8,%r17
+\s*[a-f0-9]+:\s*62 dc b4 18 8f c7\s+pop2p\s+%r31,%r9
+\s*[a-f0-9]+:\s*62 dc 84 10 8f c0\s+pop2p\s+%r24,%r31
diff --git a/gas/testsuite/gas/i386/x86-64-apx-push2pop2.s b/gas/testsuite/gas/i386/x86-64-apx-push2pop2.s
new file mode 100644
index 00000000000..5c28c13ba2e
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-push2pop2.s
@@ -0,0 +1,39 @@
+# Check 64bit APX-Push2Pop2 instructions
+
+	.allow_index_reg
+	.text
+_start:
+	push2 %rbx, %rax
+	push2 %r17, %r8
+	push2 %r9, %r31
+	push2 %r31, %r24
+	push2p %rbx, %rax
+	push2p %r17, %r8
+	push2p %r9, %r31
+	push2p %r31, %r24
+	pop2 %rax, %rbx
+	pop2 %r8, %r17
+	pop2 %r31, %r9
+	pop2 %r24, %r31
+	pop2p %rax, %rbx
+	pop2p %r8, %r17
+	pop2p %r31, %r9
+	pop2p %r24, %r31
+
+	.intel_syntax noprefix
+	push2 rax, rbx
+	push2 r8, r17
+	push2 r31, r9
+	push2 r24, r31
+	push2p rax, rbx
+	push2p r8, r17
+	push2p r31, r9
+	push2p r24, r31
+	pop2 rbx, rax
+	pop2 r17, r8
+	pop2 r9, r31
+	pop2 r31, r24
+	pop2p rbx, rax
+	pop2p r17, r8
+	pop2p r9, r31
+	pop2p r31, r24
diff --git a/gas/testsuite/gas/i386/x86-64.exp b/gas/testsuite/gas/i386/x86-64.exp
index 3a3438a5de3..0e7b5d0c073 100644
--- a/gas/testsuite/gas/i386/x86-64.exp
+++ b/gas/testsuite/gas/i386/x86-64.exp
@@ -345,6 +345,9 @@ run_dump_test "x86-64-avx512dq-rcigrd-intel"
 run_dump_test "x86-64-avx512dq-rcigrd"
 run_dump_test "x86-64-avx512dq-rcigrne-intel"
 run_dump_test "x86-64-avx512dq-rcigrne"
+run_dump_test "x86-64-apx-push2pop2"
+run_dump_test "x86-64-apx-push2pop2-intel"
+run_list_test "x86-64-apx-push2pop2-inval"
 run_dump_test "x86-64-avx512dq-rcigru-intel"
 run_dump_test "x86-64-avx512dq-rcigru"
 run_dump_test "x86-64-avx512dq-rcigrz-intel"
diff --git a/opcodes/i386-dis-evex-reg.h b/opcodes/i386-dis-evex-reg.h
index cac3c39c4c5..81bb41646c5 100644
--- a/opcodes/i386-dis-evex-reg.h
+++ b/opcodes/i386-dis-evex-reg.h
@@ -79,6 +79,10 @@
     { "subQ",	{ VexGv, Ev, sIb }, PREFIX_NP_OR_DATA },
     { "xorQ",	{ VexGv, Ev, sIb }, PREFIX_NP_OR_DATA },
   },
+  /* REG_EVEX_MAP4_8F */
+  {
+    { VEX_W_TABLE (EVEX_W_MAP4_8F_R_0) },
+  },
   /* REG_EVEX_MAP4_F6 */
   {
     { Bad_Opcode },
@@ -102,4 +106,9 @@
   {
     { "incQ",	{ VexGv, Ev }, PREFIX_NP_OR_DATA },
     { "decQ",	{ VexGv, Ev }, PREFIX_NP_OR_DATA },
+    { Bad_Opcode },
+    { Bad_Opcode },
+    { Bad_Opcode },
+    { Bad_Opcode },
+    { VEX_W_TABLE (EVEX_W_MAP4_FF_R_6) },
   },
diff --git a/opcodes/i386-dis-evex-w.h b/opcodes/i386-dis-evex-w.h
index b828277d413..12ab29544bb 100644
--- a/opcodes/i386-dis-evex-w.h
+++ b/opcodes/i386-dis-evex-w.h
@@ -442,6 +442,16 @@
     { Bad_Opcode },
     { "vpshrdw",   { XM, Vex, EXx, Ib }, 0 },
   },
+  /* EVEX_W_MAP4_8F_R_0 */
+  {
+    { "pop2", { { PUSH2_POP2_Fixup, q_mode}, Eq }, NO_PREFIX },
+    { "pop2p", { { PUSH2_POP2_Fixup, q_mode}, Eq }, NO_PREFIX },
+  },
+  /* EVEX_W_MAP4_FF_R_6 */
+  {
+    { "push2", { { PUSH2_POP2_Fixup, q_mode}, Eq }, 0 },
+    { "push2p", { { PUSH2_POP2_Fixup, q_mode}, Eq }, 0 },
+  },
   /* EVEX_W_MAP5_5B_P_0 */
   {
     { "vcvtdq2ph%XY",	{ XMxmmq, EXx, EXxEVexR }, 0 },
diff --git a/opcodes/i386-dis-evex.h b/opcodes/i386-dis-evex.h
index a8a891d7f0e..4f2ec966457 100644
--- a/opcodes/i386-dis-evex.h
+++ b/opcodes/i386-dis-evex.h
@@ -1035,7 +1035,7 @@ static const struct dis386 evex_table[][256] = {
     { Bad_Opcode },
     { Bad_Opcode },
     { Bad_Opcode },
-    { Bad_Opcode },
+    { REG_TABLE (REG_EVEX_MAP4_8F) },
     /* 90 */
     { Bad_Opcode },
     { Bad_Opcode },
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 1bb2882d839..9daef6fa9fd 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -105,6 +105,7 @@ static bool FXSAVE_Fixup (instr_info *, int, int);
 static bool MOVSXD_Fixup (instr_info *, int, int);
 static bool DistinctDest_Fixup (instr_info *, int, int);
 static bool PREFETCHI_Fixup (instr_info *, int, int);
+static bool PUSH2_POP2_Fixup (instr_info *, int, int);
 
 static void ATTRIBUTE_PRINTF_3 i386_dis_printf (const disassemble_info *,
 						enum disassembler_style,
@@ -900,6 +901,7 @@ enum
   REG_EVEX_MAP4_80,
   REG_EVEX_MAP4_81,
   REG_EVEX_MAP4_83,
+  REG_EVEX_MAP4_8F,
   REG_EVEX_MAP4_F6,
   REG_EVEX_MAP4_F7,
   REG_EVEX_MAP4_FE,
@@ -1739,6 +1741,9 @@ enum
   EVEX_W_0F3A70,
   EVEX_W_0F3A72,
 
+  EVEX_W_MAP4_8F_R_0,
+  EVEX_W_MAP4_FF_R_6,
+
   EVEX_W_MAP5_5B_P_0,
   EVEX_W_MAP5_7A_P_3,
 };
@@ -13510,6 +13515,9 @@ OP_VEX (instr_info *ins, int bytemode, int sizeflag ATTRIBUTE_UNUSED)
 	case b_mode:
 	  names = att_names8rex;
 	  break;
+	case q_mode:
+	  names = att_names64;
+	  break;
 	case mask_bd_mode:
 	case mask_mode:
 	  if (reg > 0x7)
@@ -13894,3 +13902,26 @@ PREFETCHI_Fixup (instr_info *ins, int bytemode, int sizeflag)
 
   return OP_M (ins, bytemode, sizeflag);
 }
+
+static bool
+PUSH2_POP2_Fixup (instr_info *ins, int bytemode, int sizeflag)
+{
+  if (ins->modrm.mod != 3)
+    return true;
+
+  unsigned int vvvv_reg = ins->vex.register_specifier
+    | (!ins->vex.v << 4);
+  unsigned int rm_reg = ins->modrm.rm + (ins->rex & REX_B ? 8 : 0)
+    + (ins->rex2 & REX_B ? 16 : 0);
+
+  /* Push2/Pop2 cannot use RSP and Pop2 cannot pop two same registers.  */
+  if (!ins->vex.nd || vvvv_reg == 0x4 || rm_reg == 0x4
+      || (!ins->modrm.reg
+	  && vvvv_reg == rm_reg))
+    {
+      oappend (ins, "(bad)");
+      return true;
+    }
+
+  return OP_VEX (ins, bytemode, sizeflag);
+}
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index 54c659099af..900ca36d286 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -3480,3 +3480,12 @@ uwrmsr, 0xf30f38f8, USER_MSR, Modrm|NoSuf|NoRex64, { Reg64, Reg64 }
 uwrmsr, 0xf3f8/0, USER_MSR, Modrm|Vex128|VexMap7|VexW0|NoSuf, { Imm32, Reg64 }
 
 // USER_MSR instructions end.
+
+// APX Push2/Pop2 instructions.
+
+push2, 0xff/6, APX_F, Modrm|VexW0|EVex128|EVexMap4|VexVVVV|No_bSuf|No_wSuf|No_lSuf|No_sSuf, { Reg64, Reg64 }
+push2p, 0xff/6, APX_F, Modrm|VexW1|EVex128|EVexMap4|VexVVVV|No_bSuf|No_wSuf|No_lSuf|No_sSuf, { Reg64, Reg64 }
+pop2, 0x8f/0, APX_F, Modrm|VexW0|EVex128|EVexMap4|VexVVVV|No_bSuf|No_wSuf|No_lSuf|No_sSuf, { Reg64, Reg64 }
+pop2p, 0x8f/0, APX_F, Modrm|VexW1|EVex128|EVexMap4|VexVVVV|No_bSuf|No_wSuf|No_lSuf|No_sSuf, { Reg64, Reg64 }
+
+// APX Push2/Pop2 instructions end.
-- 
2.25.1


  parent reply	other threads:[~2023-12-28  1:27 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-28  1:27 [PATCH V5 0/9] Support Intel APX EGPR Cui, Lili
2023-12-28  1:27 ` [PATCH V5 1/9] Support APX GPR32 with rex2 prefix Cui, Lili
2023-12-28  1:53   ` H.J. Lu
2024-01-04  8:02     ` Jan Beulich
2024-01-04 11:27       ` Cui, Lili
2024-01-05 14:45   ` Jan Beulich
2024-01-08  3:41     ` Cui, Lili
2023-12-28  1:27 ` [PATCH V5 2/9] Created an empty EVEX_MAP4_ sub-table for EVEX instructions Cui, Lili
2023-12-28  1:54   ` H.J. Lu
2023-12-28  1:27 ` [PATCH V5 3/9] Support APX GPR32 with extend evex prefix Cui, Lili
2023-12-28  1:54   ` H.J. Lu
2023-12-28 13:48     ` Cui, Lili
2023-12-28  1:27 ` [PATCH V5 4/9] Add tests for " Cui, Lili
2023-12-28  1:54   ` H.J. Lu
2023-12-28  1:27 ` [PATCH V5 5/9] Support APX NDD Cui, Lili
2023-12-28  1:55   ` H.J. Lu
2023-12-28  1:27 ` Cui, Lili [this message]
2023-12-28  1:55   ` [PATCH V5 6/9] Support APX Push2/Pop2 H.J. Lu
2023-12-28  1:27 ` [PATCH V5 7/9] Support APX pushp/popp Cui, Lili
2023-12-28  1:56   ` H.J. Lu
2023-12-28  1:27 ` [PATCH V5 8/9] Support APX NDD optimized encoding Cui, Lili
2023-12-28  1:56   ` H.J. Lu
2024-01-05 14:36   ` Jan Beulich
2024-01-08  2:49     ` Hu, Lin1
2023-12-28  1:27 ` [PATCH V5 9/9] Support APX JMPABS for disassembler Cui, Lili
2023-12-28  1:56   ` H.J. Lu
2024-01-05 12:08   ` Jan Beulich
2024-01-08  2:32     ` Hu, Lin1
2024-01-08  7:41       ` Jan Beulich
2024-01-08  7:44         ` Hu, Lin1

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