[gcc r12-6833] RISC-V: Update testcases info with new implement info

[Kito Cheng <kito@gcc.gnu.org>]

https://gcc.gnu.org/g:add6bb52e34f6036ace9f67ad8ad5b990adbc34a

commit r12-6833-gadd6bb52e34f6036ace9f67ad8ad5b990adbc34a
Author: LiaoShihua <shihua@iscas.ac.cn>
Date:   Wed Jan 19 17:15:25 2022 +0800

    RISC-V: Update testcases info with new implement info
    
        After commit 591b6e00d1bfe12932ca31530d5859f95db8a35a " riscv: fix -Wformat-diag errors ", some strings in implement was changed.
        This patch update the check info in testcases to sync with it.
    
    gcc/testsuite/ChangeLog:
    
            * gcc.target/riscv/arch-9.c: Update the check info.
            * gcc.target/riscv/arch-10.c: Ditto.
            * gcc.target/riscv/arch-12.c: Ditto.

Diff:
---
 gcc/testsuite/gcc.target/riscv/arch-10.c | 2 +-
 gcc/testsuite/gcc.target/riscv/arch-12.c | 2 +-
 gcc/testsuite/gcc.target/riscv/arch-9.c  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/testsuite/gcc.target/riscv/arch-10.c b/gcc/testsuite/gcc.target/riscv/arch-10.c
index 47dbda333c9..1052f2e0c14 100644
--- a/gcc/testsuite/gcc.target/riscv/arch-10.c
+++ b/gcc/testsuite/gcc.target/riscv/arch-10.c
@@ -3,4 +3,4 @@
 int foo()
 {
 }
-/* { dg-error "Extension `f' appear more than one time." "" { target *-*-* } 0 } */
+/* { dg-error "extension 'f' appear more than one time" "" { target *-*-* } 0 } */
diff --git a/gcc/testsuite/gcc.target/riscv/arch-12.c b/gcc/testsuite/gcc.target/riscv/arch-12.c
index 29e16c30815..5ee9a1da5bb 100644
--- a/gcc/testsuite/gcc.target/riscv/arch-12.c
+++ b/gcc/testsuite/gcc.target/riscv/arch-12.c
@@ -1,4 +1,4 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -march=rv64im1p2p3 -mabi=lp64" } */
 int foo() {}
-/* { dg-error "'-march=rv64im1p2p3': For 'm1p2p\\?', version number with more than 2 level is not supported." "" { target *-*-* } 0 } */
+/* { dg-error "'-march=rv64im1p2p3': for 'm1p2p\\?', version number with more than 2 level is not supported" "" { target *-*-* } 0 } */
diff --git a/gcc/testsuite/gcc.target/riscv/arch-9.c b/gcc/testsuite/gcc.target/riscv/arch-9.c
index 74e64103563..d00e99d3534 100644
--- a/gcc/testsuite/gcc.target/riscv/arch-9.c
+++ b/gcc/testsuite/gcc.target/riscv/arch-9.c
@@ -3,4 +3,4 @@
 int foo()
 {
 }
-/* { dg-warning "version of `g` will be omitted, please specify version for individual extension." "" { target *-*-* } 0 } */
+/* { dg-warning "version of 'g' will be omitted, please specify version for individual extension" "" { target *-*-* } 0 } */