[gcc r13-704] RISC-V: Fix canonical extension order (K and J)

[gcc r13-704] RISC-V: Fix canonical extension order (K and J)

[Kito Cheng]

https://gcc.gnu.org/g:075fb873c264a030f56793cb162c9fdecbdd1773

commit r13-704-g075fb873c264a030f56793cb162c9fdecbdd1773
Author: Tsukasa OI <research_trasio@irq.a4lg.com>
Date:   Sun May 22 18:29:14 2022 +0900

    RISC-V: Fix canonical extension order (K and J)
    
    This commit fixes canonical extension order to follow the RISC-V ISA
    Manual draft-20210402-1271737 or later.
    
    gcc/ChangeLog:
    
            * common/config/riscv/riscv-common.cc (riscv_supported_std_ext):
            Fix "K" extension prefix to be placed before "J".
            * config/riscv/arch-canonicalize: Likewise.
    
    Signed-off-by: Tsukasa OI <research_trasio@irq.a4lg.com>

Diff:
---
 gcc/common/config/riscv/riscv-common.cc | 2 +-
 gcc/config/riscv/arch-canonicalize      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc
index 1501242e296..0b0ec2c4ec5 100644
--- a/gcc/common/config/riscv/riscv-common.cc
+++ b/gcc/common/config/riscv/riscv-common.cc
@@ -594,7 +594,7 @@ riscv_subset_list::lookup (const char *subset, int major_version,
 static const char *
 riscv_supported_std_ext (void)
 {
-  return "mafdqlcbjktpvn";
+  return "mafdqlcbkjtpvn";
 }
 
 /* Parsing subset version.
diff --git a/gcc/config/riscv/arch-canonicalize b/gcc/config/riscv/arch-canonicalize
index 41bab69193c..71b2232b29e 100755
--- a/gcc/config/riscv/arch-canonicalize
+++ b/gcc/config/riscv/arch-canonicalize
@@ -32,7 +32,7 @@ import itertools
 from functools import reduce
 
 SUPPORTED_ISA_SPEC = ["2.2", "20190608", "20191213"]
-CANONICAL_ORDER = "imafdgqlcbjktpvn"
+CANONICAL_ORDER = "imafdgqlcbkjtpvn"
 LONG_EXT_PREFIXES = ['z', 's', 'h', 'x']
 
 #