This patch adds support for RISC-V RVA23 and RVB23 Profiles[1], 
which depend on the base RISC-V Profiles support[2].

[1] 
https://github.com/riscv/riscv-profiles/releases/tag/rva23-v0.4-rvb23-v0.1-internal-review
[2] https://gcc.gnu.org/pipermail/gcc-patches/2024-July/658082.html


gcc/ChangeLog:

        * common/config/riscv/riscv-common.cc: New Profiles.

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/attribute-22.c: New test.
        * gcc.target/riscv/attribute-23.c: New test.

---
 gcc/common/config/riscv/riscv-common.cc       | 20 +++++++++++++++++++
 gcc/testsuite/gcc.target/riscv/attribute-22.c | 11 ++++++++++
 gcc/testsuite/gcc.target/riscv/attribute-23.c | 10 ++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/riscv/attribute-22.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/attribute-23.c

diff --git a/gcc/common/config/riscv/riscv-common.cc 
b/gcc/common/config/riscv/riscv-common.cc
index 23ae07fe2f3..e6e8adf5e1b 100644
--- a/gcc/common/config/riscv/riscv-common.cc
+++ b/gcc/common/config/riscv/riscv-common.cc
@@ -323,6 +323,9 @@ static const struct riscv_ext_version 
riscv_ext_version_table[] =
   {"zicclsm",  ISA_SPEC_CLASS_NONE, 1, 0},
   {"ziccrse",  ISA_SPEC_CLASS_NONE, 1, 0},
 
+  {"zimop",  ISA_SPEC_CLASS_NONE, 1, 0},
+  {"zcmop",  ISA_SPEC_CLASS_NONE, 1, 0},
+
   {"zicntr", ISA_SPEC_CLASS_NONE, 2, 0},
   {"zihpm",  ISA_SPEC_CLASS_NONE, 2, 0},
 
@@ -467,6 +470,23 @@ static const riscv_profiles riscv_profiles_table[] =
    "_zicclsm_zic64b_za64rs_zihintpause_zba_zbb_zbs_zicbom_zicbop"
    "_zicboz_zfhmin_zkt"},
 
+  /* RVA23 contains all mandatory base ISA for RVA22U64 and the new extension
+     'v,zihintntl,zvfhmin,zvbb,zvkt,zicond,zimop,zcmop,zfa,zawrs' as mandatory
+     extensions.  */
+  {"RVA23U64", "rv64imafdcv_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"},
+
+  
+  /* RVB23 contains all mandatory base ISA for RVA22U64 and the new extension
+     'zihintntl,zicond,zimop,zcmop,zfa,zawrs' as mandatory
+     extensions.  */
+  {"RVB23U64", "rv64imafdc_zicsr_zicntr_zihpm_ziccif_ziccrse_ziccamoa"
+   "_zicclsm_zic64b_za64rs_zihintpause_zba_zbb_zbs_zicbom_zicbop"
+   "_zicboz_zfhmin_zkt_zihintntl_zicond_zimop_zcmop_zcb"
+   "_zfa_zawrs"},
+
   /* Currently we do not define S/M mode Profiles in gcc part.  */
 
   /* Terminate the list.  */
diff --git a/gcc/testsuite/gcc.target/riscv/attribute-22.c 
b/gcc/testsuite/gcc.target/riscv/attribute-22.c
new file mode 100644
index 00000000000..0bbb3242ddd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/attribute-22.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-march=RVA23U64 -mabi=lp64" } */
+
+void foo(){}
+
+/* { dg-final { scan-assembler ".attribute arch, 
\"rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0"
+"_b1p0_v1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0"
+_ziccrse1p0_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0"
+_za64rs1p0_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcd1p0_zcmop1p0"
+_zba1p0_zbb1p0_zbs1p0_zkt1p0_zvbb1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0"
+_zvfhmin1p0_zvkb1p0_zvkt1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0\"" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/attribute-23.c 
b/gcc/testsuite/gcc.target/riscv/attribute-23.c
new file mode 100644
index 00000000000..459b5641ca3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/attribute-23.c
@@ -0,0 +1,10 @@
+/* { dg-do compile } */
+/* { dg-options "-march=RVB23U64 -mabi=lp64" } */
+
+void foo(){}
+
+/* { dg-final { scan-assembler ".attribute arch, 
\"rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0"
+"_b1p0_zic64b1p0_zicbom1p0_zicbop1p0_zicboz1p0_ziccamoa1p0_ziccif1p0_zicclsm1p0_ziccrse1p0"
+"_zicntr2p0_zicond1p0_zicsr2p0_zihintntl1p0_zihintpause2p0_zihpm2p0_zimop1p0_za64rs1p0"
+"_zaamo1p0_zalrsc1p0_zawrs1p0_zfa1p0_zfhmin1p0_zca1p0_zcb1p0_zcd1p0_zcmop1p0_zba1p0"
+"_zbb1p0_zbs1p0_zkt1p0\"" } } */
-- 
2.25.1

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