RISC-V: Support S[sm]csrind extension csrs.

This patch supports RISC-V Smcsrind/Sscsrind privilege extension csrs.
Reuse csr 'smselect/siselect', 'mireg/sireg' and 'vsiselect,vsireg' csrs
in Smaia/Ssaia extension.

bfd/ChangeLog:

	* elfxx-riscv.c: New extensions.

gas/ChangeLog:

	* NEWS: Updated.
	* config/tc-riscv.c (enum riscv_csr_class): New extensions.
	(riscv_csr_address): Ditto.
	* testsuite/gas/riscv/csr-version-1p10.d: New csrs.
	* testsuite/gas/riscv/csr-version-1p10.l: Ditto.
	* testsuite/gas/riscv/csr-version-1p11.d: Ditto.
	* testsuite/gas/riscv/csr-version-1p11.l: Ditto.
	* testsuite/gas/riscv/csr-version-1p12.d: Ditto.
	* testsuite/gas/riscv/csr-version-1p12.l: Ditto.
	* testsuite/gas/riscv/csr.s: Ditto.
	* testsuite/gas/riscv/march-help.l: New extensions.

include/ChangeLog:

	* opcode/riscv-opc.h (CSR_MIREG2): New csr.
	(CSR_MIREG3): Ditto.
	(CSR_MIREG4): Ditto.
	(CSR_MIREG5): Ditto.
	(CSR_MIREG6): Ditto.
	(CSR_SIREG2): Ditto.
	(CSR_SIREG3): Ditto.
	(CSR_SIREG4): Ditto.
	(CSR_SIREG5): Ditto.
	(CSR_SIREG6): Ditto.
	(CSR_VSIREG2): Ditto.
	(CSR_VSIREG3): Ditto.
	(CSR_VSIREG4): Ditto.
	(CSR_VSIREG5): Ditto.
	(CSR_VSIREG6): Ditto.
	(DECLARE_CSR): Ditto.

12 files changed, 593 insertions, 42 deletions

diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 1fe7e5d..297d565 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1273,10 +1273,12 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] =
   {"zcb", "zca",	check_implicit_always},
   {"zcmp", "zca",	check_implicit_always},
   {"smaia", "ssaia",		check_implicit_always},
+  {"smscrind", "sscsrind",	check_implicit_always},
   {"smcntrpmf", "zicsr",	check_implicit_always},
   {"smstateen", "ssstateen",	check_implicit_always},
   {"smepmp", "zicsr",		check_implicit_always},
   {"ssaia", "zicsr",		check_implicit_always},
+  {"sscsrind", "zicsr",		check_implicit_always},
   {"sscofpmf", "zicsr",		check_implicit_always},
   {"ssstateen", "zicsr",	check_implicit_always},
   {"sstc", "zicsr",		check_implicit_always},
@@ -1438,10 +1440,12 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
 static struct riscv_supported_ext riscv_supported_std_s_ext[] =
 {
   {"smaia",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
+  {"smcsrind",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"smcntrpmf",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"smepmp",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"smstateen",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"ssaia",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
+  {"sscsrind",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"sscofpmf",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"ssstateen",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
   {"sstc",		ISA_SPEC_CLASS_DRAFT,		1, 0, 0 },
diff --git a/gas/NEWS b/gas/NEWS
index c52c593..2f82f45 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -27,6 +27,8 @@
 
 * Add support for RISC-V Zvfbfwma extension with version 1.0.
 
+* Add support for RISC-V Smcsrind/Sscsrind extension with version 1.0.
+
 * The base register operand in D(X,B) and D(L,B) may be explicitly omitted
   in assembly on s390. It can now be coded as D(X,) or D(L,) instead of D(X,0)
   D(X,%r0), D(L,0), and D(L,%r0).
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index ccc073a..e008370 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -77,6 +77,8 @@ enum riscv_csr_class
   CSR_CLASS_H_32,	/* hypervisor, rv32 only */
   CSR_CLASS_SMAIA,		/* Smaia */
   CSR_CLASS_SMAIA_32,		/* Smaia, rv32 only */
+  CSR_CLASS_SMAIA_OR_SMCSRIND,		/* Smaia/Smcsrind */
+  CSR_CLASS_SMCSRIND,		/* Smcsrind */
   CSR_CLASS_SMCNTRPMF,		/* Smcntrpmf */
   CSR_CLASS_SMCNTRPMF_32,	/* Smcntrpmf, rv32 only */
   CSR_CLASS_SMSTATEEN,		/* Smstateen only */
@@ -85,6 +87,10 @@ enum riscv_csr_class
   CSR_CLASS_SSAIA_AND_H,	/* Ssaia with H */
   CSR_CLASS_SSAIA_32,		/* Ssaia, rv32 only */
   CSR_CLASS_SSAIA_AND_H_32,	/* Ssaia with H, rv32 only */
+  CSR_CLASS_SSAIA_OR_SSCSRIND,		/* Ssaia/Smcsrind */
+  CSR_CLASS_SSAIA_OR_SSCSRIND_AND_H,	/* Ssaia/Smcsrind with H */
+  CSR_CLASS_SSCSRIND,		/* Sscsrind */
+  CSR_CLASS_SSCSRIND_AND_H,	/* Sscsrind with H */
   CSR_CLASS_SSSTATEEN,		/* S[ms]stateen only */
   CSR_CLASS_SSSTATEEN_AND_H,	/* S[ms]stateen only (with H) */
   CSR_CLASS_SSSTATEEN_AND_H_32,	/* S[ms]stateen RV32 only (with H) */
@@ -1059,6 +1065,12 @@ riscv_csr_address (const char *csr_name,
     case CSR_CLASS_SMAIA:
       extension = "smaia";
       break;
+    case CSR_CLASS_SMAIA_OR_SMCSRIND:
+      extension = "smaia or smcsrind";
+      break;
+    case CSR_CLASS_SMCSRIND:
+      extension = "smcsrind";
+      break;
     case CSR_CLASS_SMCNTRPMF_32:
       is_rv32_only = true;
       /* Fall through.  */
@@ -1082,6 +1094,16 @@ riscv_csr_address (const char *csr_name,
 		       || csr_class == CSR_CLASS_SSAIA_AND_H_32);
       extension = "ssaia";
       break;
+    case CSR_CLASS_SSAIA_OR_SSCSRIND:
+    case CSR_CLASS_SSAIA_OR_SSCSRIND_AND_H:
+      is_h_required = (csr_class == CSR_CLASS_SSAIA_OR_SSCSRIND_AND_H);
+      extension = "ssaia or sscsrind";
+      break;
+    case CSR_CLASS_SSCSRIND:
+    case CSR_CLASS_SSCSRIND_AND_H:
+      is_h_required = (csr_class == CSR_CLASS_SSCSRIND_AND_H);
+      extension = "sscsrind";
+      break;
     case CSR_CLASS_SSSTATEEN_AND_H_32:
       is_rv32_only = true;
       /* Fall through.  */
diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.d b/gas/testsuite/gas/riscv/csr-version-1p10.d
index 2ee4ee5..5165f4b 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.d
@@ -623,6 +623,20 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+31959073[ 	]+csrw[ 	]+mviph,a1
 [ 	]+[0-9a-f]+:[ 	]+35402573[ 	]+csrr[ 	]+a0,miph
 [ 	]+[0-9a-f]+:[ 	]+35459073[ 	]+csrw[ 	]+miph,a1
+[ 	]+[0-9a-f]+:[ 	]+35002573[ 	]+csrr[ 	]+a0,miselect
+[ 	]+[0-9a-f]+:[ 	]+35059073[ 	]+csrw[ 	]+miselect,a1
+[ 	]+[0-9a-f]+:[ 	]+35102573[ 	]+csrr[ 	]+a0,mireg
+[ 	]+[0-9a-f]+:[ 	]+35159073[ 	]+csrw[ 	]+mireg,a1
+[ 	]+[0-9a-f]+:[ 	]+35202573[ 	]+csrr[ 	]+a0,mireg2
+[ 	]+[0-9a-f]+:[ 	]+35259073[ 	]+csrw[ 	]+mireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+35302573[ 	]+csrr[ 	]+a0,mireg3
+[ 	]+[0-9a-f]+:[ 	]+35359073[ 	]+csrw[ 	]+mireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+35502573[ 	]+csrr[ 	]+a0,mireg4
+[ 	]+[0-9a-f]+:[ 	]+35559073[ 	]+csrw[ 	]+mireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+35602573[ 	]+csrr[ 	]+a0,mireg5
+[ 	]+[0-9a-f]+:[ 	]+35659073[ 	]+csrw[ 	]+mireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+35702573[ 	]+csrr[ 	]+a0,mireg6
+[ 	]+[0-9a-f]+:[ 	]+35759073[ 	]+csrw[ 	]+mireg6,a1
 [ 	]+[0-9a-f]+:[ 	]+32102573[ 	]+csrr[ 	]+a0,mcyclecfg
 [ 	]+[0-9a-f]+:[ 	]+32159073[ 	]+csrw[ 	]+mcyclecfg,a1
 [ 	]+[0-9a-f]+:[ 	]+32202573[ 	]+csrr[ 	]+a0,minstretcfg
@@ -713,6 +727,34 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+21459073[ 	]+csrw[ 	]+vsieh,a1
 [ 	]+[0-9a-f]+:[ 	]+25402573[ 	]+csrr[ 	]+a0,vsiph
 [ 	]+[0-9a-f]+:[ 	]+25459073[ 	]+csrw[ 	]+vsiph,a1
+[ 	]+[0-9a-f]+:[ 	]+15002573[ 	]+csrr[ 	]+a0,siselect
+[ 	]+[0-9a-f]+:[ 	]+15059073[ 	]+csrw[ 	]+siselect,a1
+[ 	]+[0-9a-f]+:[ 	]+15102573[ 	]+csrr[ 	]+a0,sireg
+[ 	]+[0-9a-f]+:[ 	]+15159073[ 	]+csrw[ 	]+sireg,a1
+[ 	]+[0-9a-f]+:[ 	]+15202573[ 	]+csrr[ 	]+a0,sireg2
+[ 	]+[0-9a-f]+:[ 	]+15259073[ 	]+csrw[ 	]+sireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+15302573[ 	]+csrr[ 	]+a0,sireg3
+[ 	]+[0-9a-f]+:[ 	]+15359073[ 	]+csrw[ 	]+sireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+15502573[ 	]+csrr[ 	]+a0,sireg4
+[ 	]+[0-9a-f]+:[ 	]+15559073[ 	]+csrw[ 	]+sireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+15602573[ 	]+csrr[ 	]+a0,sireg5
+[ 	]+[0-9a-f]+:[ 	]+15659073[ 	]+csrw[ 	]+sireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+15702573[ 	]+csrr[ 	]+a0,sireg6
+[ 	]+[0-9a-f]+:[ 	]+15759073[ 	]+csrw[ 	]+sireg6,a1
+[ 	]+[0-9a-f]+:[ 	]+25002573[ 	]+csrr[ 	]+a0,vsiselect
+[ 	]+[0-9a-f]+:[ 	]+25059073[ 	]+csrw[ 	]+vsiselect,a1
+[ 	]+[0-9a-f]+:[ 	]+25102573[ 	]+csrr[ 	]+a0,vsireg
+[ 	]+[0-9a-f]+:[ 	]+25159073[ 	]+csrw[ 	]+vsireg,a1
+[ 	]+[0-9a-f]+:[ 	]+25202573[ 	]+csrr[ 	]+a0,vsireg2
+[ 	]+[0-9a-f]+:[ 	]+25259073[ 	]+csrw[ 	]+vsireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+25302573[ 	]+csrr[ 	]+a0,vsireg3
+[ 	]+[0-9a-f]+:[ 	]+25359073[ 	]+csrw[ 	]+vsireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+25502573[ 	]+csrr[ 	]+a0,vsireg4
+[ 	]+[0-9a-f]+:[ 	]+25559073[ 	]+csrw[ 	]+vsireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+25602573[ 	]+csrr[ 	]+a0,vsireg5
+[ 	]+[0-9a-f]+:[ 	]+25659073[ 	]+csrw[ 	]+vsireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+25702573[ 	]+csrr[ 	]+a0,vsireg6
+[ 	]+[0-9a-f]+:[ 	]+25759073[ 	]+csrw[ 	]+vsireg6,a1
 [ 	]+[0-9a-f]+:[ 	]+da002573[ 	]+csrr[ 	]+a0,scountovf
 [ 	]+[0-9a-f]+:[ 	]+da059073[ 	]+csrw[ 	]+scountovf,a1
 [ 	]+[0-9a-f]+:[ 	]+72302573[ 	]+csrr[ 	]+a0,mhpmevent3h
diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.l b/gas/testsuite/gas/riscv/csr-version-1p10.l
index 63991d5..17a8bb6 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.l
@@ -823,13 +823,13 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsatp', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `miselect', needs `smaia' extension
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `miselect', needs `smaia' extension
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `mireg', needs `smaia' extension
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `mireg', needs `smaia' extension
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `mtopei', needs `smaia' extension
 .*Info: macro .*
@@ -889,6 +889,34 @@
 .*Info: macro .*
 .*Warning: invalid CSR `miph', needs `smaia' extension
 .*Info: macro .*
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg2', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg2', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg3', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg3', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg4', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg4', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg5', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg5', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg6', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg6', needs `smcsrind' extension
+.*Info: macro .*
 .*Warning: invalid CSR `mcyclecfg', needs `smcntrpmf' extension
 .*Info: macro .*
 .*Warning: invalid CSR `mcyclecfg', needs `smcntrpmf' extension
@@ -1057,13 +1085,13 @@
 .*Info: macro .*
 .*Warning: invalid CSR `hstateen3h', needs `ssstateen' extension
 .*Info: macro .*
-.*Warning: invalid CSR `siselect', needs `ssaia' extension
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `siselect', needs `ssaia' extension
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `sireg', needs `ssaia' extension
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `sireg', needs `ssaia' extension
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `stopei', needs `ssaia' extension
 .*Info: macro .*
@@ -1125,19 +1153,19 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsiselect', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsiselect', needs `ssaia' extension
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsiselect', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsiselect', needs `ssaia' extension
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsireg', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsireg', needs `ssaia' extension
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsireg', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsireg', needs `ssaia' extension
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vstopei', needs `h' extension
 .*Info: macro .*
@@ -1241,6 +1269,90 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsiph', needs `ssaia' extension
 .*Info: macro .*
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `sscsrind' extension
+.*Info: macro .*
 .*Warning: invalid CSR `scountovf', needs `sscofpmf' extension
 .*Info: macro .*
 .*Warning: invalid CSR `scountovf', needs `sscofpmf' extension
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.d b/gas/testsuite/gas/riscv/csr-version-1p11.d
index 836dede..1cb5a91 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.d
@@ -623,6 +623,20 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+31959073[ 	]+csrw[ 	]+mviph,a1
 [ 	]+[0-9a-f]+:[ 	]+35402573[ 	]+csrr[ 	]+a0,miph
 [ 	]+[0-9a-f]+:[ 	]+35459073[ 	]+csrw[ 	]+miph,a1
+[ 	]+[0-9a-f]+:[ 	]+35002573[ 	]+csrr[ 	]+a0,miselect
+[ 	]+[0-9a-f]+:[ 	]+35059073[ 	]+csrw[ 	]+miselect,a1
+[ 	]+[0-9a-f]+:[ 	]+35102573[ 	]+csrr[ 	]+a0,mireg
+[ 	]+[0-9a-f]+:[ 	]+35159073[ 	]+csrw[ 	]+mireg,a1
+[ 	]+[0-9a-f]+:[ 	]+35202573[ 	]+csrr[ 	]+a0,mireg2
+[ 	]+[0-9a-f]+:[ 	]+35259073[ 	]+csrw[ 	]+mireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+35302573[ 	]+csrr[ 	]+a0,mireg3
+[ 	]+[0-9a-f]+:[ 	]+35359073[ 	]+csrw[ 	]+mireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+35502573[ 	]+csrr[ 	]+a0,mireg4
+[ 	]+[0-9a-f]+:[ 	]+35559073[ 	]+csrw[ 	]+mireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+35602573[ 	]+csrr[ 	]+a0,mireg5
+[ 	]+[0-9a-f]+:[ 	]+35659073[ 	]+csrw[ 	]+mireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+35702573[ 	]+csrr[ 	]+a0,mireg6
+[ 	]+[0-9a-f]+:[ 	]+35759073[ 	]+csrw[ 	]+mireg6,a1
 [ 	]+[0-9a-f]+:[ 	]+32102573[ 	]+csrr[ 	]+a0,mcyclecfg
 [ 	]+[0-9a-f]+:[ 	]+32159073[ 	]+csrw[ 	]+mcyclecfg,a1
 [ 	]+[0-9a-f]+:[ 	]+32202573[ 	]+csrr[ 	]+a0,minstretcfg
@@ -713,6 +727,34 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+21459073[ 	]+csrw[ 	]+vsieh,a1
 [ 	]+[0-9a-f]+:[ 	]+25402573[ 	]+csrr[ 	]+a0,vsiph
 [ 	]+[0-9a-f]+:[ 	]+25459073[ 	]+csrw[ 	]+vsiph,a1
+[ 	]+[0-9a-f]+:[ 	]+15002573[ 	]+csrr[ 	]+a0,siselect
+[ 	]+[0-9a-f]+:[ 	]+15059073[ 	]+csrw[ 	]+siselect,a1
+[ 	]+[0-9a-f]+:[ 	]+15102573[ 	]+csrr[ 	]+a0,sireg
+[ 	]+[0-9a-f]+:[ 	]+15159073[ 	]+csrw[ 	]+sireg,a1
+[ 	]+[0-9a-f]+:[ 	]+15202573[ 	]+csrr[ 	]+a0,sireg2
+[ 	]+[0-9a-f]+:[ 	]+15259073[ 	]+csrw[ 	]+sireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+15302573[ 	]+csrr[ 	]+a0,sireg3
+[ 	]+[0-9a-f]+:[ 	]+15359073[ 	]+csrw[ 	]+sireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+15502573[ 	]+csrr[ 	]+a0,sireg4
+[ 	]+[0-9a-f]+:[ 	]+15559073[ 	]+csrw[ 	]+sireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+15602573[ 	]+csrr[ 	]+a0,sireg5
+[ 	]+[0-9a-f]+:[ 	]+15659073[ 	]+csrw[ 	]+sireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+15702573[ 	]+csrr[ 	]+a0,sireg6
+[ 	]+[0-9a-f]+:[ 	]+15759073[ 	]+csrw[ 	]+sireg6,a1
+[ 	]+[0-9a-f]+:[ 	]+25002573[ 	]+csrr[ 	]+a0,vsiselect
+[ 	]+[0-9a-f]+:[ 	]+25059073[ 	]+csrw[ 	]+vsiselect,a1
+[ 	]+[0-9a-f]+:[ 	]+25102573[ 	]+csrr[ 	]+a0,vsireg
+[ 	]+[0-9a-f]+:[ 	]+25159073[ 	]+csrw[ 	]+vsireg,a1
+[ 	]+[0-9a-f]+:[ 	]+25202573[ 	]+csrr[ 	]+a0,vsireg2
+[ 	]+[0-9a-f]+:[ 	]+25259073[ 	]+csrw[ 	]+vsireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+25302573[ 	]+csrr[ 	]+a0,vsireg3
+[ 	]+[0-9a-f]+:[ 	]+25359073[ 	]+csrw[ 	]+vsireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+25502573[ 	]+csrr[ 	]+a0,vsireg4
+[ 	]+[0-9a-f]+:[ 	]+25559073[ 	]+csrw[ 	]+vsireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+25602573[ 	]+csrr[ 	]+a0,vsireg5
+[ 	]+[0-9a-f]+:[ 	]+25659073[ 	]+csrw[ 	]+vsireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+25702573[ 	]+csrr[ 	]+a0,vsireg6
+[ 	]+[0-9a-f]+:[ 	]+25759073[ 	]+csrw[ 	]+vsireg6,a1
 [ 	]+[0-9a-f]+:[ 	]+da002573[ 	]+csrr[ 	]+a0,scountovf
 [ 	]+[0-9a-f]+:[ 	]+da059073[ 	]+csrw[ 	]+scountovf,a1
 [ 	]+[0-9a-f]+:[ 	]+72302573[ 	]+csrr[ 	]+a0,mhpmevent3h
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.l b/gas/testsuite/gas/riscv/csr-version-1p11.l
index 6caec9f..8b797e8 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.l
@@ -819,13 +819,13 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsatp', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `miselect', needs `smaia' extension
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `miselect', needs `smaia' extension
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `mireg', needs `smaia' extension
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `mireg', needs `smaia' extension
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `mtopei', needs `smaia' extension
 .*Info: macro .*
@@ -885,6 +885,34 @@
 .*Info: macro .*
 .*Warning: invalid CSR `miph', needs `smaia' extension
 .*Info: macro .*
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg2', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg2', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg3', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg3', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg4', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg4', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg5', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg5', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg6', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg6', needs `smcsrind' extension
+.*Info: macro .*
 .*Warning: invalid CSR `mcyclecfg', needs `smcntrpmf' extension
 .*Info: macro .*
 .*Warning: invalid CSR `mcyclecfg', needs `smcntrpmf' extension
@@ -1053,13 +1081,13 @@
 .*Info: macro .*
 .*Warning: invalid CSR `hstateen3h', needs `ssstateen' extension
 .*Info: macro .*
-.*Warning: invalid CSR `siselect', needs `ssaia' extension
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `siselect', needs `ssaia' extension
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `sireg', needs `ssaia' extension
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `sireg', needs `ssaia' extension
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `stopei', needs `ssaia' extension
 .*Info: macro .*
@@ -1121,19 +1149,19 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsiselect', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsiselect', needs `ssaia' extension
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsiselect', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsiselect', needs `ssaia' extension
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsireg', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsireg', needs `ssaia' extension
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsireg', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsireg', needs `ssaia' extension
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vstopei', needs `h' extension
 .*Info: macro .*
@@ -1237,6 +1265,90 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsiph', needs `ssaia' extension
 .*Info: macro .*
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `sscsrind' extension
+.*Info: macro .*
 .*Warning: invalid CSR `scountovf', needs `sscofpmf' extension
 .*Info: macro .*
 .*Warning: invalid CSR `scountovf', needs `sscofpmf' extension
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.d b/gas/testsuite/gas/riscv/csr-version-1p12.d
index beeec9a..ac88d93 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.d
@@ -623,6 +623,20 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+31959073[ 	]+csrw[ 	]+mviph,a1
 [ 	]+[0-9a-f]+:[ 	]+35402573[ 	]+csrr[ 	]+a0,miph
 [ 	]+[0-9a-f]+:[ 	]+35459073[ 	]+csrw[ 	]+miph,a1
+[ 	]+[0-9a-f]+:[ 	]+35002573[ 	]+csrr[ 	]+a0,miselect
+[ 	]+[0-9a-f]+:[ 	]+35059073[ 	]+csrw[ 	]+miselect,a1
+[ 	]+[0-9a-f]+:[ 	]+35102573[ 	]+csrr[ 	]+a0,mireg
+[ 	]+[0-9a-f]+:[ 	]+35159073[ 	]+csrw[ 	]+mireg,a1
+[ 	]+[0-9a-f]+:[ 	]+35202573[ 	]+csrr[ 	]+a0,mireg2
+[ 	]+[0-9a-f]+:[ 	]+35259073[ 	]+csrw[ 	]+mireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+35302573[ 	]+csrr[ 	]+a0,mireg3
+[ 	]+[0-9a-f]+:[ 	]+35359073[ 	]+csrw[ 	]+mireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+35502573[ 	]+csrr[ 	]+a0,mireg4
+[ 	]+[0-9a-f]+:[ 	]+35559073[ 	]+csrw[ 	]+mireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+35602573[ 	]+csrr[ 	]+a0,mireg5
+[ 	]+[0-9a-f]+:[ 	]+35659073[ 	]+csrw[ 	]+mireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+35702573[ 	]+csrr[ 	]+a0,mireg6
+[ 	]+[0-9a-f]+:[ 	]+35759073[ 	]+csrw[ 	]+mireg6,a1
 [ 	]+[0-9a-f]+:[ 	]+32102573[ 	]+csrr[ 	]+a0,mcyclecfg
 [ 	]+[0-9a-f]+:[ 	]+32159073[ 	]+csrw[ 	]+mcyclecfg,a1
 [ 	]+[0-9a-f]+:[ 	]+32202573[ 	]+csrr[ 	]+a0,minstretcfg
@@ -713,6 +727,34 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+21459073[ 	]+csrw[ 	]+vsieh,a1
 [ 	]+[0-9a-f]+:[ 	]+25402573[ 	]+csrr[ 	]+a0,vsiph
 [ 	]+[0-9a-f]+:[ 	]+25459073[ 	]+csrw[ 	]+vsiph,a1
+[ 	]+[0-9a-f]+:[ 	]+15002573[ 	]+csrr[ 	]+a0,siselect
+[ 	]+[0-9a-f]+:[ 	]+15059073[ 	]+csrw[ 	]+siselect,a1
+[ 	]+[0-9a-f]+:[ 	]+15102573[ 	]+csrr[ 	]+a0,sireg
+[ 	]+[0-9a-f]+:[ 	]+15159073[ 	]+csrw[ 	]+sireg,a1
+[ 	]+[0-9a-f]+:[ 	]+15202573[ 	]+csrr[ 	]+a0,sireg2
+[ 	]+[0-9a-f]+:[ 	]+15259073[ 	]+csrw[ 	]+sireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+15302573[ 	]+csrr[ 	]+a0,sireg3
+[ 	]+[0-9a-f]+:[ 	]+15359073[ 	]+csrw[ 	]+sireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+15502573[ 	]+csrr[ 	]+a0,sireg4
+[ 	]+[0-9a-f]+:[ 	]+15559073[ 	]+csrw[ 	]+sireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+15602573[ 	]+csrr[ 	]+a0,sireg5
+[ 	]+[0-9a-f]+:[ 	]+15659073[ 	]+csrw[ 	]+sireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+15702573[ 	]+csrr[ 	]+a0,sireg6
+[ 	]+[0-9a-f]+:[ 	]+15759073[ 	]+csrw[ 	]+sireg6,a1
+[ 	]+[0-9a-f]+:[ 	]+25002573[ 	]+csrr[ 	]+a0,vsiselect
+[ 	]+[0-9a-f]+:[ 	]+25059073[ 	]+csrw[ 	]+vsiselect,a1
+[ 	]+[0-9a-f]+:[ 	]+25102573[ 	]+csrr[ 	]+a0,vsireg
+[ 	]+[0-9a-f]+:[ 	]+25159073[ 	]+csrw[ 	]+vsireg,a1
+[ 	]+[0-9a-f]+:[ 	]+25202573[ 	]+csrr[ 	]+a0,vsireg2
+[ 	]+[0-9a-f]+:[ 	]+25259073[ 	]+csrw[ 	]+vsireg2,a1
+[ 	]+[0-9a-f]+:[ 	]+25302573[ 	]+csrr[ 	]+a0,vsireg3
+[ 	]+[0-9a-f]+:[ 	]+25359073[ 	]+csrw[ 	]+vsireg3,a1
+[ 	]+[0-9a-f]+:[ 	]+25502573[ 	]+csrr[ 	]+a0,vsireg4
+[ 	]+[0-9a-f]+:[ 	]+25559073[ 	]+csrw[ 	]+vsireg4,a1
+[ 	]+[0-9a-f]+:[ 	]+25602573[ 	]+csrr[ 	]+a0,vsireg5
+[ 	]+[0-9a-f]+:[ 	]+25659073[ 	]+csrw[ 	]+vsireg5,a1
+[ 	]+[0-9a-f]+:[ 	]+25702573[ 	]+csrr[ 	]+a0,vsireg6
+[ 	]+[0-9a-f]+:[ 	]+25759073[ 	]+csrw[ 	]+vsireg6,a1
 [ 	]+[0-9a-f]+:[ 	]+da002573[ 	]+csrr[ 	]+a0,scountovf
 [ 	]+[0-9a-f]+:[ 	]+da059073[ 	]+csrw[ 	]+scountovf,a1
 [ 	]+[0-9a-f]+:[ 	]+72302573[ 	]+csrr[ 	]+a0,mhpmevent3h
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.l b/gas/testsuite/gas/riscv/csr-version-1p12.l
index b83a001..81a7aba 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.l
@@ -543,13 +543,13 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsatp', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `miselect', needs `smaia' extension
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `miselect', needs `smaia' extension
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `mireg', needs `smaia' extension
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `mireg', needs `smaia' extension
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `mtopei', needs `smaia' extension
 .*Info: macro .*
@@ -609,6 +609,34 @@
 .*Info: macro .*
 .*Warning: invalid CSR `miph', needs `smaia' extension
 .*Info: macro .*
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `miselect', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg', needs `smaia or smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg2', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg2', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg3', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg3', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg4', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg4', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg5', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg5', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg6', needs `smcsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mireg6', needs `smcsrind' extension
+.*Info: macro .*
 .*Warning: invalid CSR `mcyclecfg', needs `smcntrpmf' extension
 .*Info: macro .*
 .*Warning: invalid CSR `mcyclecfg', needs `smcntrpmf' extension
@@ -777,13 +805,13 @@
 .*Info: macro .*
 .*Warning: invalid CSR `hstateen3h', needs `ssstateen' extension
 .*Info: macro .*
-.*Warning: invalid CSR `siselect', needs `ssaia' extension
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `siselect', needs `ssaia' extension
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `sireg', needs `ssaia' extension
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
-.*Warning: invalid CSR `sireg', needs `ssaia' extension
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `stopei', needs `ssaia' extension
 .*Info: macro .*
@@ -845,19 +873,19 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsiselect', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsiselect', needs `ssaia' extension
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsiselect', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsiselect', needs `ssaia' extension
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsireg', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsireg', needs `ssaia' extension
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vsireg', needs `h' extension
 .*Info: macro .*
-.*Warning: invalid CSR `vsireg', needs `ssaia' extension
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
 .*Info: macro .*
 .*Warning: invalid CSR `vstopei', needs `h' extension
 .*Info: macro .*
@@ -961,6 +989,90 @@
 .*Info: macro .*
 .*Warning: invalid CSR `vsiph', needs `ssaia' extension
 .*Info: macro .*
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `siselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `sireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsiselect', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg', needs `ssaia or sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg2', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg3', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg4', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg5', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `sscsrind' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `h' extension
+.*Info: macro .*
+.*Warning: invalid CSR `vsireg6', needs `sscsrind' extension
+.*Info: macro .*
 .*Warning: invalid CSR `scountovf', needs `sscofpmf' extension
 .*Info: macro .*
 .*Warning: invalid CSR `scountovf', needs `sscofpmf' extension
diff --git a/gas/testsuite/gas/riscv/csr.s b/gas/testsuite/gas/riscv/csr.s
index 42bb158..378caef 100644
--- a/gas/testsuite/gas/riscv/csr.s
+++ b/gas/testsuite/gas/riscv/csr.s
@@ -350,6 +350,15 @@
 	csr mviph
 	csr miph
 
+	# Smcsrind
+	csr miselect
+	csr mireg
+	csr mireg2
+	csr mireg3
+	csr mireg4
+	csr mireg5
+	csr mireg6
+
 	# Smcntrpmf extension
 	csr mcyclecfg
 	csr minstretcfg
@@ -401,6 +410,22 @@
 	csr vsieh
 	csr vsiph
 
+	# Sscsrind
+	csr siselect
+	csr sireg
+	csr sireg2
+	csr sireg3
+	csr sireg4
+	csr sireg5
+	csr sireg6
+	csr vsiselect
+	csr vsireg
+	csr vsireg2
+	csr vsireg3
+	csr vsireg4
+	csr vsireg5
+	csr vsireg6
+
 	# Sscofpmf extension
 	csr scountovf
 	csr mhpmevent3h
diff --git a/gas/testsuite/gas/riscv/march-help.l b/gas/testsuite/gas/riscv/march-help.l
index dd82752..d2b9838 100644
--- a/gas/testsuite/gas/riscv/march-help.l
+++ b/gas/testsuite/gas/riscv/march-help.l
@@ -95,10 +95,12 @@ All available -march extensions for RISC-V:
 	zcd                                     1.0
 	zcmp                                    1.0
 	smaia                                   1.0
+	smcsrind                                1.0
 	smcntrpmf                               1.0
 	smepmp                                  1.0
 	smstateen                               1.0
 	ssaia                                   1.0
+	sscsrind                                1.0
 	sscofpmf                                1.0
 	ssstateen                               1.0
 	sstc                                    1.0
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index e8c08e8..511895e 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -3471,6 +3471,12 @@
 #define CSR_MVIENH   0x318
 #define CSR_MVIPH    0x319
 #define CSR_MIPH     0x354
+/*Smcsrind extension */
+#define CSR_MIREG2    0x352
+#define CSR_MIREG3    0x353
+#define CSR_MIREG4    0x355
+#define CSR_MIREG5    0x356
+#define CSR_MIREG6    0x357
 /* Smcntrpmf extension.  */
 #define CSR_MCYCLECFG    0x321
 #define CSR_MINSTRETCFG  0x322
@@ -3519,6 +3525,17 @@
 #define CSR_HVIPRIO2H 0x657
 #define CSR_VSIEH     0x214
 #define CSR_VSIPH     0x254
+/* Sscsrind extension */
+#define CSR_SIREG2    0x152
+#define CSR_SIREG3    0x153
+#define CSR_SIREG4    0x155
+#define CSR_SIREG5    0x156
+#define CSR_SIREG6    0x157
+#define CSR_VSIREG2    0x252
+#define CSR_VSIREG3    0x253
+#define CSR_VSIREG4    0x255
+#define CSR_VSIREG5    0x256
+#define CSR_VSIREG6    0x257
 /* Sscofpmf extension */
 #define CSR_SCOUNTOVF 0xda0
 #define CSR_MHPMEVENT3H 0x723
@@ -4483,8 +4500,8 @@ DECLARE_CSR(vstval, CSR_VSTVAL, CSR_CLASS_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLA
 DECLARE_CSR(vsip, CSR_VSIP, CSR_CLASS_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(vsatp, CSR_VSATP, CSR_CLASS_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 /* Smaia extension */
-DECLARE_CSR(miselect, CSR_MISELECT, CSR_CLASS_SMAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
-DECLARE_CSR(mireg, CSR_MIREG, CSR_CLASS_SMAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(miselect, CSR_MISELECT, CSR_CLASS_SMAIA_OR_SMCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mireg, CSR_MIREG, CSR_CLASS_SMAIA_OR_SMCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(mtopei, CSR_MTOPEI, CSR_CLASS_SMAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(mtopi, CSR_MTOPI, CSR_CLASS_SMAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(mvien, CSR_MVIEN, CSR_CLASS_SMAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
@@ -4494,6 +4511,12 @@ DECLARE_CSR(mieh, CSR_MIEH, CSR_CLASS_SMAIA_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_
 DECLARE_CSR(mvienh, CSR_MVIENH, CSR_CLASS_SMAIA_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(mviph, CSR_MVIPH, CSR_CLASS_SMAIA_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(miph, CSR_MIPH, CSR_CLASS_SMAIA_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+/* Smcsrind extension */
+DECLARE_CSR(mireg2, CSR_MIREG2, CSR_CLASS_SMCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mireg3, CSR_MIREG3, CSR_CLASS_SMCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mireg4, CSR_MIREG4, CSR_CLASS_SMCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mireg5, CSR_MIREG5, CSR_CLASS_SMCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mireg6, CSR_MIREG6, CSR_CLASS_SMCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 /* Smcntrpmf extension (incompatible with the privileged spec v1.9.1).  */
 DECLARE_CSR(mcyclecfg, CSR_MCYCLECFG, CSR_CLASS_SMCNTRPMF, PRIV_SPEC_CLASS_1P10, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(minstretcfg, CSR_MINSTRETCFG, CSR_CLASS_SMCNTRPMF, PRIV_SPEC_CLASS_1P10, PRIV_SPEC_CLASS_DRAFT)
@@ -4521,8 +4544,8 @@ DECLARE_CSR(hstateen1h, CSR_HSTATEEN1H, CSR_CLASS_SSSTATEEN_AND_H_32, PRIV_SPEC_
 DECLARE_CSR(hstateen2h, CSR_HSTATEEN2H, CSR_CLASS_SSSTATEEN_AND_H_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(hstateen3h, CSR_HSTATEEN3H, CSR_CLASS_SSSTATEEN_AND_H_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 /* Ssaia extension */
-DECLARE_CSR(siselect, CSR_SISELECT, CSR_CLASS_SSAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
-DECLARE_CSR(sireg, CSR_SIREG, CSR_CLASS_SSAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(siselect, CSR_SISELECT, CSR_CLASS_SSAIA_OR_SSCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(sireg, CSR_SIREG, CSR_CLASS_SSAIA_OR_SSCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(stopei, CSR_STOPEI, CSR_CLASS_SSAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(stopi, CSR_STOPI, CSR_CLASS_SSAIA, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(sieh, CSR_SIEH, CSR_CLASS_SSAIA_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
@@ -4531,8 +4554,8 @@ DECLARE_CSR(hvien, CSR_HVIEN, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_
 DECLARE_CSR(hvictl, CSR_HVICTL, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(hviprio1, CSR_HVIPRIO1, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(hviprio2, CSR_HVIPRIO2, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
-DECLARE_CSR(vsiselect, CSR_VSISELECT, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
-DECLARE_CSR(vsireg, CSR_VSIREG, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vsiselect, CSR_VSISELECT, CSR_CLASS_SSAIA_OR_SSCSRIND_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vsireg, CSR_VSIREG, CSR_CLASS_SSAIA_OR_SSCSRIND_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(vstopei, CSR_VSTOPEI, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(vstopi, CSR_VSTOPI, CSR_CLASS_SSAIA_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(hidelegh, CSR_HIDELEGH, CSR_CLASS_SSAIA_AND_H_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
@@ -4542,6 +4565,17 @@ DECLARE_CSR(hviprio1h, CSR_HVIPRIO1H, CSR_CLASS_SSAIA_AND_H_32, PRIV_SPEC_CLASS_
 DECLARE_CSR(hviprio2h, CSR_HVIPRIO2H, CSR_CLASS_SSAIA_AND_H_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(vsieh, CSR_VSIEH, CSR_CLASS_SSAIA_AND_H_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(vsiph, CSR_VSIPH, CSR_CLASS_SSAIA_AND_H_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+/* Sscsrind extension */
+DECLARE_CSR(sireg2, CSR_SIREG2, CSR_CLASS_SSCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(sireg3, CSR_SIREG3, CSR_CLASS_SSCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(sireg4, CSR_SIREG4, CSR_CLASS_SSCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(sireg5, CSR_SIREG5, CSR_CLASS_SSCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(sireg6, CSR_SIREG6, CSR_CLASS_SSCSRIND, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vsireg2, CSR_VSIREG2, CSR_CLASS_SSCSRIND_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vsireg3, CSR_VSIREG3, CSR_CLASS_SSCSRIND_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vsireg4, CSR_VSIREG4, CSR_CLASS_SSCSRIND_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vsireg5, CSR_VSIREG5, CSR_CLASS_SSCSRIND_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vsireg6, CSR_VSIREG6, CSR_CLASS_SSCSRIND_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 /* Sscofpmf extension */
 DECLARE_CSR(scountovf, CSR_SCOUNTOVF, CSR_CLASS_SSCOFPMF, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(mhpmevent3h, CSR_MHPMEVENT3H, CSR_CLASS_SSCOFPMF_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)