[PATCH] RISC-V: Add Profiles RVA/B23S64 support.

[Jiawei]

This patch adds support for the RISC-V Profiles RVA23S64 and RVB23S64.

bfd/ChangeLog:

	* elfxx-riscv.c: New Profiles.

gas/ChangeLog:

	* testsuite/gas/riscv/attribute-rva23s.d: New test.
	* testsuite/gas/riscv/attribute-rvb23s.d: New test.

---
 bfd/elfxx-riscv.c                          | 16 +++++++++++++++-
 gas/testsuite/gas/riscv/attribute-rva23s.d |  6 ++++++
 gas/testsuite/gas/riscv/attribute-rvb23s.d |  6 ++++++
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 gas/testsuite/gas/riscv/attribute-rva23s.d
 create mode 100644 gas/testsuite/gas/riscv/attribute-rvb23s.d

diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 360bd262099..43d3c0d0884 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1347,6 +1347,14 @@ static struct riscv_profiles riscv_profiles_table[] =
    "_zicboz_zfhmin_zkt_zvfhmin_zvbb_zvkt_zihintntl_zicond_zimop_zcmop_zcb"
    "_zfa_zawrs_supm"},
 
+  /* RVA23S contains all mandatory base ISA for RVA23U64 and the privileged
+     extensions as mandatory extensions.  */
+  {"rva23s64", "rv64imafdcbv_zicsr_zicntr_zihpm_ziccif_ziccrse_ziccamoa"
+   "_zicclsm_zic64b_za64rs_zihintpause_zba_zbb_zbs_zicbom_zicbop"
+   "_zicboz_zfhmin_zkt_zvfhmin_zvbb_zvkt_zihintntl_zicond_zimop_zcmop_zcb"
+   "_zfa_zawrs_supm_svbare_svade_ssccptr_sstvecd_sstvala_sscounterenw_svpbmt"
+   "_svinval_svnapot_sstc_sscofpmf_ssnpm_ssu64xl_sha"},
+
   /* RVB23 contains all mandatory base ISA for RVA22U64 and the new extension
      'zihintntl,zicond,zimop,zcmop,zfa,zawrs' as mandatory
      extensions.  */
@@ -1355,7 +1363,13 @@ static struct riscv_profiles riscv_profiles_table[] =
    "_zicboz_zfhmin_zkt_zihintntl_zicond_zimop_zcmop_zcb"
    "_zfa_zawrs_supm"},
 
-  /* Currently we do not define S/M mode Profiles.  */
+  /* RVB23S contains all mandatory base ISA for RVB23U64 and the privileged
+     extensions as mandatory extensions.  */
+  {"rvb23s64", "rv64imafdcb_zicsr_zicntr_zihpm_ziccif_ziccrse_ziccamoa"
+   "_zicclsm_zic64b_za64rs_zihintpause_zba_zbb_zbs_zicbom_zicbop"
+   "_zicboz_zfhmin_zkt_zvfhmin_zvbb_zvkt_zihintntl_zicond_zimop_zcmop_zcb"
+   "_zfa_zawrs_supm_svbare_svade_ssccptr_sstvecd_sstvala_sscounterenw_svpbmt"
+   "_svinval_svnapot_sstc_sscofpmf_ssu64xl"},
 
   /* Terminate the list.  */
   {NULL, NULL}
diff --git a/gas/testsuite/gas/riscv/attribute-rva23s.d b/gas/testsuite/gas/riscv/attribute-rva23s.d
new file mode 100644
index 00000000000..54e79aa28f2
--- /dev/null
+++ b/gas/testsuite/gas/riscv/attribute-rva23s.d
@@ -0,0 +1,6 @@
+#as: -march=rva23s64 -misa-spec=20191213
+#readelf: -A
+#source: empty.s
+Attribute Section: riscv
+File Attributes
+  Tag_RISCV_arch: "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_v1p0_h1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_zvbb1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvfhmin1p0_zvkb1p0_zvkt1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_sha1p0_shcounterenw1p0_shgatpa1p0_shtvala1p0_shvsatpa1p0_shvstvala1p0_shvstvecd1p0_ssccptr1p0_sscofpmf1p0_sscounterenw1p0_ssnpm1p0_ssstateen1p0_sstc1p0_sstvala1p0_sstvecd1p0_ssu64xl1p0_supm1p0_svade1p0_svbare1p0_svinval1p0_svnapot1p0_svpbmt1p0"
diff --git a/gas/testsuite/gas/riscv/attribute-rvb23s.d b/gas/testsuite/gas/riscv/attribute-rvb23s.d
new file mode 100644
index 00000000000..22bcc13f207
--- /dev/null
+++ b/gas/testsuite/gas/riscv/attribute-rvb23s.d
@@ -0,0 +1,6 @@
+#as: -march=rvb23u64 -misa-spec=20191213
+#readelf: -A
+#source: empty.s
+Attribute Section: riscv
+File Attributes
+  Tag_RISCV_arch: "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_zmmul1p0_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcmop1p0_zba1p0_zbb1p0_zbs1p0_zkt1p0_supm1p0"
-- 
2.43.0