MIPS: Fix XPA base and Virtualization ASE instruction handling

Correct a commit 7d64c587c15f ("Add support for the MIPS eXtended
Physical Address (XPA) ASE.") bug, causing XPA base and Virtualization
ASE instructions to be wrongly always enabled with the selection of the
MIPS32r2 or higher ISA.

For example this source assembles successfully as shown below:

$ cat xpa.s
	mfhc0	$2, $1
$ as -32 -mips32 -o xpa.o xpa.s
xpa.s: Assembler messages:
xpa.s:1: Error: opcode not supported on this processor: mips32 (mips32) `mfhc0 $2,$1'
$ as -32 -mips32r2 -o xpa.o xpa.s
$ objdump -d xpa.o

xpa.o:     file format elf32-tradbigmips

Disassembly of section .text:

00000000 <.text>:
   0:	40420800 	mfhc0	v0,c0_random
	...
$

To address this issue remove the I33 (INSN_ISA32R2) marking from all XPA
instructions in the opcode table.  Additionally, for XPA Virtualization
ASE instructions implement an XPAVZ (ASE_XPA_VIRT) combination ASE flag
and use it in place of IVIRT|XPA (ASE_VIRT|ASE_XPA).

Now the same source is correctly rejected unless the `-mxpa' option is
also used:

$ as -32 -mips32r2 -o xpa.o xpa.s
xpa.s: Assembler messages:
xpa.s:1: Error: opcode not supported on this processor: mips32r2 (mips32r2) `mfhc0 $2,$1'
$ as -32 -mips32r2 -mxpa -o xpa.o xpa.s
$

Add test cases for XPA base and XPA Virtualization ASE instructions.

Parts of this change by Andrew Bennett.

	include/
	* opcode/mips.h (ASE_XPA_VIRT): New macro.

	opcodes/
	* mips-dis.c (mips_calculate_combination_ases): Handle the
	ASE_XPA_VIRT flag.
	(parse_mips_ase_option): New function.
	(parse_mips_dis_option): Factor out ASE option handling to the
	new function.  Call `mips_calculate_combination_ases'.
	* mips-opc.c (XPAVZ): New macro.
	(mips_builtin_opcodes): Correct ISA and ASE flags for "mfhc0",
	"mfhgc0", "mthc0" and "mthgc0".

	gas/
	* config/tc-mips.c (mips_set_ase): Handle the ASE_XPA_VIRT flag.
	* testsuite/gas/mips/xpa.d: Remove `xpa' from `-M' in `objdump'
	flags.  Add `-mvirt' to `as' flags.
	* testsuite/gas/mips/xpa-err.d: New test.
	* testsuite/gas/mips/xpa-virt-err.d: New test.
	* testsuite/gas/mips/xpa-err.l: New stderr output.
	* testsuite/gas/mips/xpa-virt-err.l: New stderr output.
	* testsuite/gas/mips/xpa-err.s: New test source.
	* testsuite/gas/mips/xpa-virt-err.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new tests.

	binutils/
	* testsuite/binutils-all/mips/mips-xpa-virt-1.d: New test.
	* testsuite/binutils-all/mips/mips-xpa-virt-2.d: New test.
	* testsuite/binutils-all/mips/mips-xpa-virt-3.d: New test.
	* testsuite/binutils-all/mips/mips-xpa-virt-4.d: New test.
	* testsuite/binutils-all/mips/mips-xpa-virt.s: New test source.
	* testsuite/binutils-all/mips/mips.exp: Run the new tests.

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index d8577b0..797bfd4 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,12 @@
+2017-06-30  Maciej W. Rozycki  <macro@imgtec.com>
+
+       * testsuite/binutils-all/mips/mips-xpa-virt-1.d: New test.
+       * testsuite/binutils-all/mips/mips-xpa-virt-2.d: New test.
+       * testsuite/binutils-all/mips/mips-xpa-virt-3.d: New test.
+       * testsuite/binutils-all/mips/mips-xpa-virt-4.d: New test.
+       * testsuite/binutils-all/mips/mips-xpa-virt.s: New test source.
+       * testsuite/binutils-all/mips/mips.exp: Run the new tests.
+
 2017-06-29  Anton Kolesov  <Anton.Kolesov@synopsys.com>
 
        * testsuite/binutils-all/arc/double_store.s: New file.

diff --git a/binutils/testsuite/binutils-all/mips/mips-xpa-virt-1.d b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-1.d
new file mode 100644 (file)
index 0000000..1bb38ac
--- /dev/null
+++ b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-1.d
@@ -0,0 +1,13 @@
+#PROG: objcopy
+#objdump: -d --prefix-addresses --show-raw-insn -M cp0-names=mips32
+#name: MIPS XPA and Virtualization ASE instruction disassembly 1
+#source: mips-xpa-virt.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 40020800     mfc0    v0,c0_random
+[0-9a-f]+ <[^>]*> 40420800     cfc0    v0,c0_random
+[0-9a-f]+ <[^>]*> 40620800     0x40620800
+[0-9a-f]+ <[^>]*> 40620c00     0x40620c00
+       \.\.\.

diff --git a/binutils/testsuite/binutils-all/mips/mips-xpa-virt-2.d b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-2.d
new file mode 100644 (file)
index 0000000..58bd5fa
--- /dev/null
+++ b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-2.d
@@ -0,0 +1,13 @@
+#PROG: objcopy
+#objdump: -d --prefix-addresses --show-raw-insn -M xpa,cp0-names=mips32
+#name: MIPS XPA and Virtualization ASE instruction disassembly 2
+#source: mips-xpa-virt.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 40020800     mfc0    v0,c0_random
+[0-9a-f]+ <[^>]*> 40420800     mfhc0   v0,c0_random
+[0-9a-f]+ <[^>]*> 40620800     0x40620800
+[0-9a-f]+ <[^>]*> 40620c00     0x40620c00
+       \.\.\.

diff --git a/binutils/testsuite/binutils-all/mips/mips-xpa-virt-3.d b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-3.d
new file mode 100644 (file)
index 0000000..f42f7d7
--- /dev/null
+++ b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-3.d
@@ -0,0 +1,13 @@
+#PROG: objcopy
+#objdump: -d --prefix-addresses --show-raw-insn -M virt,cp0-names=mips32
+#name: MIPS XPA and Virtualization ASE instruction disassembly 3
+#source: mips-xpa-virt.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 40020800     mfc0    v0,c0_random
+[0-9a-f]+ <[^>]*> 40420800     cfc0    v0,c0_random
+[0-9a-f]+ <[^>]*> 40620800     mfgc0   v0,c0_random
+[0-9a-f]+ <[^>]*> 40620c00     0x40620c00
+       \.\.\.

diff --git a/binutils/testsuite/binutils-all/mips/mips-xpa-virt-4.d b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-4.d
new file mode 100644 (file)
index 0000000..a88c4ef
--- /dev/null
+++ b/binutils/testsuite/binutils-all/mips/mips-xpa-virt-4.d
@@ -0,0 +1,13 @@
+#PROG: objcopy
+#objdump: -d --prefix-addresses --show-raw-insn -M xpa,virt,cp0-names=mips32
+#name: MIPS XPA and Virtualization ASE instruction disassembly 4
+#source: mips-xpa-virt.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 40020800     mfc0    v0,c0_random
+[0-9a-f]+ <[^>]*> 40420800     mfhc0   v0,c0_random
+[0-9a-f]+ <[^>]*> 40620800     mfgc0   v0,c0_random
+[0-9a-f]+ <[^>]*> 40620c00     mfhgc0  v0,c0_random
+       \.\.\.

diff --git a/binutils/testsuite/binutils-all/mips/mips-xpa-virt.s b/binutils/testsuite/binutils-all/mips/mips-xpa-virt.s
new file mode 100644 (file)
index 0000000..416016a
--- /dev/null
+++ b/binutils/testsuite/binutils-all/mips/mips-xpa-virt.s
@@ -0,0 +1,14 @@
+       .set    mips64r5
+       .set    xpa
+       .set    virt
+
+       .text
+foo:
+       mfc0    $2, $1
+       mfhc0   $2, $1
+       mfgc0   $2, $1
+       mfhgc0  $2, $1
+
+# Force some (non-delay-slot) zero bytes, to make 'objdump' print ...
+        .align  4, 0
+        .space  16

diff --git a/binutils/testsuite/binutils-all/mips/mips.exp b/binutils/testsuite/binutils-all/mips/mips.exp
index 28c2197..0070929 100644 (file)
--- a/binutils/testsuite/binutils-all/mips/mips.exp
+++ b/binutils/testsuite/binutils-all/mips/mips.exp
@@ -36,6 +36,10 @@ set has_newabi [expr [istarget *-*-irix6*] \
 run_dump_test "mips-ase-1"
 run_dump_test "mips-ase-2"
 run_dump_test "mips-ase-3"
+run_dump_test "mips-xpa-virt-1"
+run_dump_test "mips-xpa-virt-2"
+run_dump_test "mips-xpa-virt-3"
+run_dump_test "mips-xpa-virt-4"
 run_dump_test "mixed-mips16"
 run_dump_test "mixed-micromips"
 run_dump_test "mixed-mips16-micromips"

diff --git a/gas/ChangeLog b/gas/ChangeLog
index d152909..4d8f552 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,17 @@
+2017-06-30  Maciej W. Rozycki  <macro@imgtec.com>
+           Andrew Bennett  <andrew.bennett@imgtec.com>
+
+       * config/tc-mips.c (mips_set_ase): Handle the ASE_XPA_VIRT flag.
+       * testsuite/gas/mips/xpa.d: Remove `xpa' from `-M' in `objdump'
+       flags.  Add `-mvirt' to `as' flags.
+       * testsuite/gas/mips/xpa-err.d: New test.
+       * testsuite/gas/mips/xpa-virt-err.d: New test.
+       * testsuite/gas/mips/xpa-err.l: New stderr output.
+       * testsuite/gas/mips/xpa-virt-err.l: New stderr output.
+       * testsuite/gas/mips/xpa-err.s: New test source.
+       * testsuite/gas/mips/xpa-virt-err.s: New test source.
+       * testsuite/gas/mips/mips.exp: Run the new tests.
+
 2017-06-29  Maciej W. Rozycki  <macro@imgtec.com>
 
        * testsuite/gas/mips/mips16e2@mips16e2-mt-sub.d: Adjust for the

diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index d06143a..9b42ef8 100644 (file)
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -2133,11 +2133,19 @@ mips_set_ase (const struct mips_ase *ase, struct mips_set_options *opts,
 
   /* Clear combination ASE flags, which need to be recalculated based on
      updated regular ASE settings.  */
-  opts->ase &= ~ASE_MIPS16E2_MT;
+  opts->ase &= ~(ASE_MIPS16E2_MT | ASE_XPA_VIRT);
 
   if (enabled_p)
     opts->ase |= ase->flags;
 
+  /* The Virtualization ASE has eXtended Physical Addressing (XPA)
+     instructions which are only valid when both ASEs are enabled.
+     This sets the ASE_XPA_VIRT flag when both ASEs are present.  */
+  if ((opts->ase & (ASE_XPA | ASE_VIRT)) == (ASE_XPA | ASE_VIRT))
+    {
+      opts->ase |= ASE_XPA_VIRT;
+      mask |= ASE_XPA_VIRT;
+    }
   if ((opts->ase & (ASE_MIPS16E2 | ASE_MT)) == (ASE_MIPS16E2 | ASE_MT))
     {
       opts->ase |= ASE_MIPS16E2_MT;

diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index 26d29e4..6a6b47d 100644 (file)
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -1562,6 +1562,9 @@ if { [istarget mips*-*-vxworks*] } {
     run_dump_test_arches "msa-branch"  [mips_arch_list_matching mips32r2]
 
     run_dump_test_arches "xpa"         [mips_arch_list_matching mips32r2 !micromips]
+    run_dump_test_arches "xpa-err"     [mips_arch_list_matching mips32r2 !micromips]
+    run_dump_test_arches "xpa-virt-err" \
+                               [mips_arch_list_matching mips32r2 !micromips]
     run_dump_test_arches "r5" "-32"    [mips_arch_list_matching mips32r5 !micromips]
 
     run_dump_test "pcrel-1"

diff --git a/gas/testsuite/gas/mips/xpa-err.d b/gas/testsuite/gas/mips/xpa-err.d
new file mode 100644 (file)
index 0000000..772bd49
--- /dev/null
+++ b/gas/testsuite/gas/mips/xpa-err.d
@@ -0,0 +1,3 @@
+#name: MIPS XPA instruction errors
+#as: -32 -mxpa
+#error-output: xpa-err.l

diff --git a/gas/testsuite/gas/mips/xpa-err.l b/gas/testsuite/gas/mips/xpa-err.l
new file mode 100644 (file)
index 0000000..0ea0fc9
--- /dev/null
+++ b/gas/testsuite/gas/mips/xpa-err.l
@@ -0,0 +1,2 @@
+.*: Assembler messages:
+.*:8: Error: opcode not supported on this processor: [^ ]+ \([^)]+\) `mthc0 \$2,\$1'

diff --git a/gas/testsuite/gas/mips/xpa-err.s b/gas/testsuite/gas/mips/xpa-err.s
new file mode 100644 (file)
index 0000000..0bd9daf
--- /dev/null
+++ b/gas/testsuite/gas/mips/xpa-err.s
@@ -0,0 +1,8 @@
+# Verify that switching off either `xpa' causes an assembly error
+# with an XPA instruction.
+
+       .text
+foo:
+       mfhc0   $2, $1
+       .set    noxpa
+       mthc0   $2, $1

diff --git a/gas/testsuite/gas/mips/xpa-virt-err.d b/gas/testsuite/gas/mips/xpa-virt-err.d
new file mode 100644 (file)
index 0000000..bc51319
--- /dev/null
+++ b/gas/testsuite/gas/mips/xpa-virt-err.d
@@ -0,0 +1,3 @@
+#name: MIPS XPA Virtualization ASE instruction errors
+#as: -32 -mxpa -mvirt
+#error-output: xpa-virt-err.l

diff --git a/gas/testsuite/gas/mips/xpa-virt-err.l b/gas/testsuite/gas/mips/xpa-virt-err.l
new file mode 100644 (file)
index 0000000..8f964c5
--- /dev/null
+++ b/gas/testsuite/gas/mips/xpa-virt-err.l
@@ -0,0 +1,3 @@
+.*: Assembler messages:
+.*:9: Error: opcode not supported on this processor: [^ ]+ \([^)]+\) `mthgc0 \$2,\$1'
+.*:13: Error: opcode not supported on this processor: [^ ]+ \([^)]+\) `mthgc0 \$2,\$1'

diff --git a/gas/testsuite/gas/mips/xpa-virt-err.s b/gas/testsuite/gas/mips/xpa-virt-err.s
new file mode 100644 (file)
index 0000000..fcc0c73
--- /dev/null
+++ b/gas/testsuite/gas/mips/xpa-virt-err.s
@@ -0,0 +1,15 @@
+# Verify that switching off either `xpa' or `virt' causes an assembly
+# error with an XPA Virtualization ASE instruction, which requires
+# both at a time.
+
+       .text
+foo:
+       mfhgc0  $2, $1
+       .set    noxpa
+       mthgc0  $2, $1
+       .set    xpa
+       mfhgc0  $2, $1
+       .set    novirt
+       mthgc0  $2, $1
+       .set    virt
+       mfhgc0  $2, $1

diff --git a/gas/testsuite/gas/mips/xpa.d b/gas/testsuite/gas/mips/xpa.d
index f1047c9..32098f1 100644 (file)
--- a/gas/testsuite/gas/mips/xpa.d
+++ b/gas/testsuite/gas/mips/xpa.d
@@ -1,6 +1,6 @@
-#objdump: -dr --prefix-addresses --show-raw-insn -Mxpa,cp0-names=mips32r2
+#objdump: -dr --prefix-addresses --show-raw-insn -M cp0-names=mips32r2
 #name: XPA instructions
-#as: -32 -mxpa
+#as: -32 -mxpa -mvirt
 
 .*: +file format .*mips.*
 

diff --git a/include/ChangeLog b/include/ChangeLog
index 171d4bd..b940504 100644 (file)
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2017-06-30  Maciej W. Rozycki  <macro@imgtec.com>
+           Andrew Bennett  <andrew.bennett@imgtec.com>
+
+       * opcode/mips.h (ASE_XPA_VIRT): New macro.
+
 2017-06-29  Andreas Arnez  <arnez@linux.vnet.ibm.com>
 
        * elf/common.h (NT_S390_GS_CB): New macro.

diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index 1b3b2c6..ceae9ec 100644 (file)
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -1291,6 +1291,9 @@ static const unsigned int mips_isa_table[] = {
 #define ASE_MIPS16E2           0x00008000
 /* MIPS16e2 MT ASE instructions.  */
 #define ASE_MIPS16E2_MT                0x00010000
+/* The Virtualization ASE has eXtended Physical Addressing (XPA)
+   instructions which are only valid when both ASEs are enabled.  */
+#define ASE_XPA_VIRT           0x00020000
 
 /* MIPS ISA defines, use instead of hardcoding ISA level.  */
 

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index e4b2470..8e6a052 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,15 @@
+2017-06-30  Maciej W. Rozycki  <macro@imgtec.com>
+           Andrew Bennett  <andrew.bennett@imgtec.com>
+
+       * mips-dis.c (mips_calculate_combination_ases): Handle the
+       ASE_XPA_VIRT flag.
+       (parse_mips_ase_option): New function.
+       (parse_mips_dis_option): Factor out ASE option handling to the
+       new function.  Call `mips_calculate_combination_ases'.
+       * mips-opc.c (XPAVZ): New macro.
+       (mips_builtin_opcodes): Correct ISA and ASE flags for "mfhc0",
+       "mfhgc0", "mthc0" and "mthgc0".
+
 2017-06-29  Maciej W. Rozycki  <macro@imgtec.com>
 
        * mips-dis.c (mips_calculate_combination_ases): New function.

diff --git a/opcodes/mips-dis.c b/opcodes/mips-dis.c
index 588247a..4519500 100644 (file)
--- a/opcodes/mips-dis.c
+++ b/opcodes/mips-dis.c
@@ -815,6 +815,8 @@ mips_calculate_combination_ases (unsigned long opcode_ases)
 {
   unsigned long combination_ases = 0;
 
+  if ((opcode_ases & (ASE_XPA | ASE_VIRT)) == (ASE_XPA | ASE_VIRT))
+    combination_ases |= ASE_XPA_VIRT;
   if ((opcode_ases & (ASE_MIPS16E2 | ASE_MT)) == (ASE_MIPS16E2 | ASE_MT))
     combination_ases |= ASE_MIPS16E2_MT;
   return combination_ases;
@@ -892,21 +894,12 @@ set_default_mips_dis_options (struct disassemble_info *info)
   mips_ase |= mips_calculate_combination_ases (mips_ase);
 }
 
-static void
-parse_mips_dis_option (const char *option, unsigned int len)
-{
-  unsigned int i, optionlen, vallen;
-  const char *val;
-  const struct mips_abi_choice *chosen_abi;
-  const struct mips_arch_choice *chosen_arch;
-
-  /* Try to match options that are simple flags */
-  if (CONST_STRNEQ (option, "no-aliases"))
-    {
-      no_aliases = 1;
-      return;
-    }
+/* Parse an ASE disassembler option and set the corresponding global
+   ASE flag(s).  Return TRUE if successful, FALSE otherwise.  */
 
+static bfd_boolean
+parse_mips_ase_option (const char *option)
+{
   if (CONST_STRNEQ (option, "msa"))
     {
       mips_ase |= ASE_MSA;
@@ -915,7 +908,7 @@ parse_mips_dis_option (const char *option, unsigned int len)
           || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R5
           || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6)
          mips_ase |= ASE_MSA64;
-      return;
+      return TRUE;
     }
 
   if (CONST_STRNEQ (option, "virt"))
@@ -926,15 +919,38 @@ parse_mips_dis_option (const char *option, unsigned int len)
          || mips_isa & ISA_MIPS64R5
          || mips_isa & ISA_MIPS64R6)
        mips_ase |= ASE_VIRT64;
-      return;
+      return TRUE;
     }
 
   if (CONST_STRNEQ (option, "xpa"))
     {
       mips_ase |= ASE_XPA;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static void
+parse_mips_dis_option (const char *option, unsigned int len)
+{
+  unsigned int i, optionlen, vallen;
+  const char *val;
+  const struct mips_abi_choice *chosen_abi;
+  const struct mips_arch_choice *chosen_arch;
+
+  /* Try to match options that are simple flags */
+  if (CONST_STRNEQ (option, "no-aliases"))
+    {
+      no_aliases = 1;
       return;
     }
 
+  if (parse_mips_ase_option (option))
+    {
+      mips_ase |= mips_calculate_combination_ases (mips_ase);
+      return;
+    }
 
   /* Look for the = that delimits the end of the option name.  */
   for (i = 0; i < len; i++)

diff --git a/opcodes/mips-opc.c b/opcodes/mips-opc.c
index b151bae..9c392ba 100644 (file)
--- a/opcodes/mips-opc.c
+++ b/opcodes/mips-opc.c
@@ -402,6 +402,7 @@ decode_mips_operand (const char *p)
 
 /* eXtended Physical Address (XPA) support.  */
 #define XPA     ASE_XPA
+#define XPAVZ  ASE_XPA_VIRT
 
 /* The order of overloaded instructions matters.  Label arguments and
    register arguments look the same. Instructions that can have either
@@ -1390,10 +1391,10 @@ const struct mips_opcode mips_builtin_opcodes[] =
 {"mfc0",               "t,G,H",        0x40000000, 0xffe007f8, WR_1|RD_C0|LC,          0,              I32,            0,      0 },
 {"mfgc0",              "t,G",          0x40600000, 0xffe007ff, WR_1|RD_C0|LC,          0,              0,              IVIRT,  0 },
 {"mfgc0",              "t,G,H",        0x40600000, 0xffe007f8, WR_1|RD_C0|LC,          0,              0,              IVIRT,  0 },
-{"mfhc0",              "t,G",          0x40400000, 0xffe007ff, WR_1|RD_C0|LC,          0,              I33,            XPA,    0 },
-{"mfhc0",              "t,G,H",        0x40400000, 0xffe007f8, WR_1|RD_C0|LC,          0,              I33,            XPA,    0 },
-{"mfhgc0",             "t,G",          0x40600400, 0xffe007ff, WR_1|RD_C0|LC,          0,              I33,            IVIRT|XPA,      0 },
-{"mfhgc0",             "t,G,H",        0x40600400, 0xffe007f8, WR_1|RD_C0|LC,          0,              I33,            IVIRT|XPA,      0 },
+{"mfhc0",              "t,G",          0x40400000, 0xffe007ff, WR_1|RD_C0|LC,          0,              0,              XPA,    0 },
+{"mfhc0",              "t,G,H",        0x40400000, 0xffe007f8, WR_1|RD_C0|LC,          0,              0,              XPA,    0 },
+{"mfhgc0",             "t,G",          0x40600400, 0xffe007ff, WR_1|RD_C0|LC,          0,              0,              XPAVZ,  0 },
+{"mfhgc0",             "t,G,H",        0x40600400, 0xffe007f8, WR_1|RD_C0|LC,          0,              0,              XPAVZ,  0 },
 {"mfc1",               "t,S",          0x44000000, 0xffe007ff, WR_1|RD_2|LC|FP_S,      0,              I1,             0,      0 },
 {"mfc1",               "t,G",          0x44000000, 0xffe007ff, WR_1|RD_2|LC|FP_S,      0,              I1,             0,      0 },
 {"mfhc1",              "t,S",          0x44600000, 0xffe007ff, WR_1|RD_2|LC|FP_D,      0,              I33,            0,      0 },
@@ -1488,10 +1489,10 @@ const struct mips_opcode mips_builtin_opcodes[] =
 {"mtc0",               "t,G,H",        0x40800000, 0xffe007f8, RD_1|WR_C0|WR_CC|CM,    0,              I32,            0,      0 },
 {"mtgc0",              "t,G",          0x40600200, 0xffe007ff, RD_1|WR_C0|WR_CC|CM,    0,              0,              IVIRT,  0 },
 {"mtgc0",              "t,G,H",        0x40600200, 0xffe007f8, RD_1|WR_C0|WR_CC|CM,   0,               0,              IVIRT,  0 },
-{"mthc0",              "t,G",          0x40c00000, 0xffe007ff, RD_1|WR_C0|WR_CC|CM,    0,              I33,            XPA,    0 },
-{"mthc0",              "t,G,H",        0x40c00000, 0xffe007f8, RD_1|WR_C0|WR_CC|CM,    0,              I33,            XPA,    0 },
-{"mthgc0",             "t,G",          0x40600600, 0xffe007ff, RD_1|WR_C0|WR_CC|CM,    0,              I33,            IVIRT|XPA,      0 },
-{"mthgc0",             "t,G,H",        0x40600600, 0xffe007f8, RD_1|WR_C0|WR_CC|CM,    0,              I33,            IVIRT|XPA,      0 },
+{"mthc0",              "t,G",          0x40c00000, 0xffe007ff, RD_1|WR_C0|WR_CC|CM,    0,              0,              XPA,    0 },
+{"mthc0",              "t,G,H",        0x40c00000, 0xffe007f8, RD_1|WR_C0|WR_CC|CM,    0,              0,              XPA,    0 },
+{"mthgc0",             "t,G",          0x40600600, 0xffe007ff, RD_1|WR_C0|WR_CC|CM,    0,              0,              XPAVZ,  0 },
+{"mthgc0",             "t,G,H",        0x40600600, 0xffe007f8, RD_1|WR_C0|WR_CC|CM,    0,              0,              XPAVZ,  0 },
 {"mtc1",               "t,S",          0x44800000, 0xffe007ff, RD_1|WR_2|CM|FP_S,      0,              I1,             0,      0 },
 {"mtc1",               "t,G",          0x44800000, 0xffe007ff, RD_1|WR_2|CM|FP_S,      0,              I1,             0,      0 },
 {"mthc1",              "t,S",          0x44e00000, 0xffe007ff, RD_1|WR_2|CM|FP_D,      0,              I33,            0,      0 },