x86/insn: perf tools: Add new xsave instructions

Add xsavec, xsaves and xrstors to the op code map and the perf tools new
instructions test.  To run the test:

  $ tools/perf/perf test "x86 ins"
  39: Test x86 instruction decoder - new instructions          : Ok

Or to see the details:

  $ tools/perf/perf test -v "x86 ins" 2>&1 | grep 'xsave\|xrst'

For information about xsavec, xsaves and xrstors, refer the Intel SDM.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qiaowei Ren <qiaowei.ren@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1441196131-20632-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

arch/x86/lib/x86-opcode-map.txt

@@ -899,6 +899,9 @@ EndTable
 
 GrpTable: Grp9
 1: CMPXCHG8B/16B Mq/Mdq
+3: xrstors
+4: xsavec
+5: xsaves
 6: VMPTRLD Mq | VMCLEAR Mq (66) | VMXON Mq (F3) | RDRAND Rv (11B)
 7: VMPTRST Mq | VMPTRST Mq (F3) | RDSEED Rv (11B)
 EndTable

tools/perf/tests/insn-x86-dat-32.c

@@ -636,5 +636,23 @@
 "0f ae 30             \txsaveopt (%eax)",},
 {{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
 "0f ae f0             \tmfence ",},
+{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
+"0f c7 20             \txsavec (%eax)",},
+{{0x0f, 0xc7, 0x25, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f c7 25 78 56 34 12 \txsavec 0x12345678",},
+{{0x0f, 0xc7, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 a4 c8 78 56 34 12 \txsavec 0x12345678(%eax,%ecx,8)",},
+{{0x0f, 0xc7, 0x28, }, 3, 0, "", "",
+"0f c7 28             \txsaves (%eax)",},
+{{0x0f, 0xc7, 0x2d, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f c7 2d 78 56 34 12 \txsaves 0x12345678",},
+{{0x0f, 0xc7, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 ac c8 78 56 34 12 \txsaves 0x12345678(%eax,%ecx,8)",},
+{{0x0f, 0xc7, 0x18, }, 3, 0, "", "",
+"0f c7 18             \txrstors (%eax)",},
+{{0x0f, 0xc7, 0x1d, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f c7 1d 78 56 34 12 \txrstors 0x12345678",},
+{{0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%eax,%ecx,8)",},
 {{0x66, 0x0f, 0xae, 0xf8, }, 4, 0, "", "",
 "66 0f ae f8          \tpcommit ",},

tools/perf/tests/insn-x86-dat-64.c

@@ -734,5 +734,35 @@
 "41 0f ae 30          \txsaveopt (%r8)",},
 {{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
 "0f ae f0             \tmfence ",},
+{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
+"0f c7 20             \txsavec (%rax)",},
+{{0x41, 0x0f, 0xc7, 0x20, }, 4, 0, "", "",
+"41 0f c7 20          \txsavec (%r8)",},
+{{0x0f, 0xc7, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 24 25 78 56 34 12 \txsavec 0x12345678",},
+{{0x0f, 0xc7, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 a4 c8 78 56 34 12 \txsavec 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0xc7, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f c7 a4 c8 78 56 34 12 \txsavec 0x12345678(%r8,%rcx,8)",},
+{{0x0f, 0xc7, 0x28, }, 3, 0, "", "",
+"0f c7 28             \txsaves (%rax)",},
+{{0x41, 0x0f, 0xc7, 0x28, }, 4, 0, "", "",
+"41 0f c7 28          \txsaves (%r8)",},
+{{0x0f, 0xc7, 0x2c, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 2c 25 78 56 34 12 \txsaves 0x12345678",},
+{{0x0f, 0xc7, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 ac c8 78 56 34 12 \txsaves 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0xc7, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f c7 ac c8 78 56 34 12 \txsaves 0x12345678(%r8,%rcx,8)",},
+{{0x0f, 0xc7, 0x18, }, 3, 0, "", "",
+"0f c7 18             \txrstors (%rax)",},
+{{0x41, 0x0f, 0xc7, 0x18, }, 4, 0, "", "",
+"41 0f c7 18          \txrstors (%r8)",},
+{{0x0f, 0xc7, 0x1c, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 1c 25 78 56 34 12 \txrstors 0x12345678",},
+{{0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%r8,%rcx,8)",},
 {{0x66, 0x0f, 0xae, 0xf8, }, 4, 0, "", "",
 "66 0f ae f8          \tpcommit ",},

tools/perf/tests/insn-x86-dat-src.c

@@ -445,6 +445,30 @@ int main(void)
 	asm volatile("xsaveopt (%r8)");
 	asm volatile("mfence");
 
+	/* xsavec mem */
+
+	asm volatile("xsavec (%rax)");
+	asm volatile("xsavec (%r8)");
+	asm volatile("xsavec (0x12345678)");
+	asm volatile("xsavec 0x12345678(%rax,%rcx,8)");
+	asm volatile("xsavec 0x12345678(%r8,%rcx,8)");
+
+	/* xsaves mem */
+
+	asm volatile("xsaves (%rax)");
+	asm volatile("xsaves (%r8)");
+	asm volatile("xsaves (0x12345678)");
+	asm volatile("xsaves 0x12345678(%rax,%rcx,8)");
+	asm volatile("xsaves 0x12345678(%r8,%rcx,8)");
+
+	/* xrstors mem */
+
+	asm volatile("xrstors (%rax)");
+	asm volatile("xrstors (%r8)");
+	asm volatile("xrstors (0x12345678)");
+	asm volatile("xrstors 0x12345678(%rax,%rcx,8)");
+	asm volatile("xrstors 0x12345678(%r8,%rcx,8)");
+
 #else  /* #ifdef __x86_64__ */
 
 	/* bndmk m32, bnd */
@@ -822,6 +846,24 @@ int main(void)
 	asm volatile("xsaveopt (%eax)");
 	asm volatile("mfence");
 
+	/* xsavec mem */
+
+	asm volatile("xsavec (%eax)");
+	asm volatile("xsavec (0x12345678)");
+	asm volatile("xsavec 0x12345678(%eax,%ecx,8)");
+
+	/* xsaves mem */
+
+	asm volatile("xsaves (%eax)");
+	asm volatile("xsaves (0x12345678)");
+	asm volatile("xsaves 0x12345678(%eax,%ecx,8)");
+
+	/* xrstors mem */
+
+	asm volatile("xrstors (%eax)");
+	asm volatile("xrstors (0x12345678)");
+	asm volatile("xrstors 0x12345678(%eax,%ecx,8)");
+
 #endif /* #ifndef __x86_64__ */
 
 	/* pcommit */

tools/perf/util/intel-pt-decoder/x86-opcode-map.txt

@@ -899,6 +899,9 @@ EndTable
 
 GrpTable: Grp9
 1: CMPXCHG8B/16B Mq/Mdq
+3: xrstors
+4: xsavec
+5: xsaves
 6: VMPTRLD Mq | VMCLEAR Mq (66) | VMXON Mq (F3) | RDRAND Rv (11B)
 7: VMPTRST Mq | VMPTRST Mq (F3) | RDSEED Rv (11B)
 EndTable