https://gcc.gnu.org/g:0fea902b1b5311c8b34ae8e789f1733bd8429904

commit r15-1185-g0fea902b1b5311c8b34ae8e789f1733bd8429904
Author: Patrick O'Neill <patr...@rivosinc.com>
Date:   Mon Jun 10 14:12:40 2024 -0700

    RISC-V: Add Zalrsc and Zaamo testsuite support
    
    Convert testsuite infrastructure to use Zalrsc and Zaamo rather than A.
    
    gcc/ChangeLog:
    
            * doc/sourcebuild.texi: Add docs for atomic extension testsuite 
infra.
    
    gcc/testsuite/ChangeLog:
    
            * gcc.target/riscv/amo-table-a-6-amo-add-1.c: Use Zaamo rather than 
A.
            * gcc.target/riscv/amo-table-a-6-amo-add-2.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-amo-add-3.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-amo-add-4.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-amo-add-5.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-compare-exchange-1.c: Use Zalrsc 
rather
            than A.
            * gcc.target/riscv/amo-table-a-6-compare-exchange-2.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-compare-exchange-3.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-compare-exchange-4.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-compare-exchange-5.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-compare-exchange-6.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-compare-exchange-7.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-subword-amo-add-1.c: Use Zaamo 
rather
            than A.
            * gcc.target/riscv/amo-table-a-6-subword-amo-add-2.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-subword-amo-add-3.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-subword-amo-add-4.c: Ditto.
            * gcc.target/riscv/amo-table-a-6-subword-amo-add-5.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-amo-add-1.c: Add Zaamo option.
            * gcc.target/riscv/amo-table-ztso-amo-add-2.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-amo-add-3.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-amo-add-4.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-amo-add-5.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-compare-exchange-1.c: Use Zalrsc 
rather
            than A.
            * gcc.target/riscv/amo-table-ztso-compare-exchange-2.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-compare-exchange-3.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-compare-exchange-4.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-compare-exchange-5.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-compare-exchange-6.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-compare-exchange-7.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-subword-amo-add-1.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-subword-amo-add-2.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-subword-amo-add-3.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-subword-amo-add-4.c: Ditto.
            * gcc.target/riscv/amo-table-ztso-subword-amo-add-5.c: Ditto.
            * lib/target-supports.exp: Add testsuite infrastructure support for
            Zaamo and Zalrsc.
    
    Signed-off-by: Patrick O'Neill <patr...@rivosinc.com>

Diff:
---
 gcc/doc/sourcebuild.texi                           | 16 +++++++-
 .../gcc.target/riscv/amo-table-a-6-amo-add-1.c     |  2 +-
 .../gcc.target/riscv/amo-table-a-6-amo-add-2.c     |  2 +-
 .../gcc.target/riscv/amo-table-a-6-amo-add-3.c     |  2 +-
 .../gcc.target/riscv/amo-table-a-6-amo-add-4.c     |  2 +-
 .../gcc.target/riscv/amo-table-a-6-amo-add-5.c     |  2 +-
 .../riscv/amo-table-a-6-compare-exchange-1.c       |  2 +-
 .../riscv/amo-table-a-6-compare-exchange-2.c       |  2 +-
 .../riscv/amo-table-a-6-compare-exchange-3.c       |  2 +-
 .../riscv/amo-table-a-6-compare-exchange-4.c       |  2 +-
 .../riscv/amo-table-a-6-compare-exchange-5.c       |  2 +-
 .../riscv/amo-table-a-6-compare-exchange-6.c       |  2 +-
 .../riscv/amo-table-a-6-compare-exchange-7.c       |  2 +-
 .../riscv/amo-table-a-6-subword-amo-add-1.c        |  2 +-
 .../riscv/amo-table-a-6-subword-amo-add-2.c        |  2 +-
 .../riscv/amo-table-a-6-subword-amo-add-3.c        |  2 +-
 .../riscv/amo-table-a-6-subword-amo-add-4.c        |  2 +-
 .../riscv/amo-table-a-6-subword-amo-add-5.c        |  2 +-
 .../gcc.target/riscv/amo-table-ztso-amo-add-1.c    |  2 +-
 .../gcc.target/riscv/amo-table-ztso-amo-add-2.c    |  2 +-
 .../gcc.target/riscv/amo-table-ztso-amo-add-3.c    |  2 +-
 .../gcc.target/riscv/amo-table-ztso-amo-add-4.c    |  2 +-
 .../gcc.target/riscv/amo-table-ztso-amo-add-5.c    |  2 +-
 .../riscv/amo-table-ztso-compare-exchange-1.c      |  2 +-
 .../riscv/amo-table-ztso-compare-exchange-2.c      |  2 +-
 .../riscv/amo-table-ztso-compare-exchange-3.c      |  2 +-
 .../riscv/amo-table-ztso-compare-exchange-4.c      |  2 +-
 .../riscv/amo-table-ztso-compare-exchange-5.c      |  2 +-
 .../riscv/amo-table-ztso-compare-exchange-6.c      |  2 +-
 .../riscv/amo-table-ztso-compare-exchange-7.c      |  2 +-
 .../riscv/amo-table-ztso-subword-amo-add-1.c       |  2 +-
 .../riscv/amo-table-ztso-subword-amo-add-2.c       |  2 +-
 .../riscv/amo-table-ztso-subword-amo-add-3.c       |  2 +-
 .../riscv/amo-table-ztso-subword-amo-add-4.c       |  2 +-
 .../riscv/amo-table-ztso-subword-amo-add-5.c       |  2 +-
 gcc/testsuite/lib/target-supports.exp              | 48 +++++++++++++++++++++-
 36 files changed, 95 insertions(+), 37 deletions(-)

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index e997dbec3334..e37fb85f3b31 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2513,8 +2513,17 @@ Test system has an integer register width of 32 bits.
 @item rv64
 Test system has an integer register width of 64 bits.
 
-@item cv_bi
-Test system has support for the CORE-V BI extension.
+@item riscv_a
+Test target architecture has support for the A extension.
+
+@item riscv_zaamo
+Test target architecture has support for the zaamo extension.
+
+@item riscv_zlrsc
+Test target architecture has support for the zalrsc extension.
+
+@item riscv_ztso
+Test target architecture has support for the ztso extension.
 
 @end table
 
@@ -2534,6 +2543,9 @@ Test system has support for the CORE-V ELW extension.
 @item cv_simd
 Test system has support for the CORE-V SIMD extension.
 
+@item cv_bi
+Test system has support for the CORE-V BI extension.
+
 @end table
 
 @subsubsection Other hardware attributes
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-1.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-1.c
index 8ab1a02b40c6..9c2ba39789ae 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-1.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-1.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match Table A.6's recommended mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-2.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-2.c
index a5a841abdcd8..b7682a5bab41 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-2.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-2.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match Table A.6's recommended mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-3.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-3.c
index f523821b6583..c8776872d915 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-3.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-3.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match Table A.6's recommended mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-4.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-4.c
index f1561b52c894..b37c4c3f242e 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-4.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-4.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match Table A.6's recommended mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-5.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-5.c
index 81f876ee6258..8d45ca7a3476 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-5.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-amo-add-5.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match Table A.6's recommended mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-1.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-1.c
index dc445f0316ac..4917cd6bd2b6 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-1.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-1.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-2.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-2.c
index 7e8ab7bb5ef1..121936507e3d 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-2.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-2.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w.aq\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-3.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-3.c
index 4cb6c4222137..649c7d2b1feb 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-3.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-3.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w.aq\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-4.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-4.c
index da81c34b92c5..5f7fdeb1b21e 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-4.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-4.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-5.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-5.c
index bb16ccc754cc..f4bd7d6d8428 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-5.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-5.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w.aqrl\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-6.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-6.c
index 0f3f0b49d951..154764425ae9 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-6.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-6.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* Mixed mappings need to be unioned.  */
 /* { dg-final { scan-assembler-times "lr.w.aq\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-7.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-7.c
index d51de56cc784..167125409193 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-7.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-compare-exchange-7.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w.aqrl\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-1.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-1.c
index ca8aa715bed0..4174fdee352b 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-1.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-1.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-2.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-2.c
index e64759a54aee..4c06c90b5582 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-2.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-2.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w.aq\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-3.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-3.c
index 9d3f69264fa5..7e791c901b66 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-3.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-3.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-4.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-4.c
index ba32ed59c2fe..76f3be271108 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-4.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-4.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w.aq\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-5.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-5.c
index f9be8c5e6281..8dbfa9c4fc82 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-5.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-a-6-subword-amo-add-5.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match Table A.6's recommended 
mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-final { scan-assembler-times "lr.w.aqrl\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
 
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-1.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-1.c
index a9edc33ff39d..82169390925e 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-1.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-1.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match the Ztso suggested mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-2.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-2.c
index ad843402bcc7..a238c6f44030 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-2.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-2.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings the Ztso suggested mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-3.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-3.c
index bdae5bb83a60..c97bf467c63b 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-3.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-3.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match the Ztso suggested mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-4.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-4.c
index 815a72f1e564..14e632ba2f27 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-4.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-4.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match the Ztso suggested mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-5.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-5.c
index eda6f01096ea..74d8df99ddca 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-5.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-amo-add-5.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* Verify that atomic op mappings match the Ztso suggested mapping.  */
 /* { dg-options "-O3" } */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zaamo } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-skip-if "" { *-*-* } { "-g" "-flto"} } */
 /* { dg-final { check-function-bodies "**" "" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-1.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-1.c
index b6315c45e85e..46a9f0c918a4 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-1.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-1.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-2.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-2.c
index e487184f6cf9..20e325f2e7cc 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-2.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-2.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-3.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-3.c
index e9c925f0923c..0a443b461f32 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-3.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-3.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-4.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-4.c
index 6b4545596339..35e01cdc8be0 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-4.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-4.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-5.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-5.c
index 02c9f0ada778..cd884931bdfb 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-5.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-5.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w.aqrl\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-6.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-6.c
index 75abd5d3dfbd..7da3b1dce48d 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-6.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-6.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-7.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-7.c
index 33928c0eac41..53f6e6ace0be 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-7.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-compare-exchange-7.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that compare exchange mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w.aqrl\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-1.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-1.c
index 2a40d6b13761..5c0a8b8f6e9f 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-1.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-1.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-2.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-2.c
index c79380f26117..551078186ec9 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-2.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-2.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-3.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-3.c
index d1a94eccfa83..5f0f78707210 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-3.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-3.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-4.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-4.c
index 3d65bc2f64aa..24f4f02dceaf 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-4.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-4.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w\t" 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-5.c 
b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-5.c
index 10354387a137..405e498fb40f 100644
--- a/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-5.c
+++ b/gcc/testsuite/gcc.target/riscv/amo-table-ztso-subword-amo-add-5.c
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* Verify that subword atomic op mappings match the Ztso suggested mapping.  */
-/* { dg-add-options riscv_a } */
+/* { dg-add-options riscv_zalrsc } */
 /* { dg-add-options riscv_ztso } */
 /* { dg-final { scan-assembler-times "lr.w.aqrl\t" 1 } } */
 /* { dg-final { scan-assembler-times "sc.w.rl\t" 1 } } */
diff --git a/gcc/testsuite/lib/target-supports.exp 
b/gcc/testsuite/lib/target-supports.exp
index 5c0a3dade222..e862a8932449 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -1889,6 +1889,28 @@ proc check_effective_target_riscv_a { } {
     }]
 }
 
+# Return 1 if the target arch supports the atomic LRSC extension, 0 otherwise.
+# Cache the result.
+
+proc check_effective_target_riscv_zalrsc { } {
+    return [check_no_compiler_messages riscv_ext_zalrsc assembly {
+       #ifndef __riscv_zalrsc
+       #error "Not __riscv_zalrsc"
+       #endif
+    }]
+}
+
+# Return 1 if the target arch supports the atomic AMO extension, 0 otherwise.
+# Cache the result.
+
+proc check_effective_target_riscv_zaamo { } {
+    return [check_no_compiler_messages riscv_ext_zaamo assembly {
+       #ifndef __riscv_zaamo
+       #error "Not __riscv_zaamo"
+       #endif
+    }]
+}
+
 # Return 1 if the target arch supports the double precision floating point
 # extension, 0 otherwise.  Cache the result.
 
@@ -2107,7 +2129,7 @@ proc check_effective_target_riscv_v_misalign_ok { } {
 proc riscv_get_arch { } {
     set gcc_march ""
     # ??? do we neeed to add more extensions to the list below?
-    foreach ext { i m a f d q c v zicsr zifencei zfh zba zbb zbc zbs zvbb zvfh 
ztso } {
+    foreach ext { i m a f d q c v zicsr zifencei zfh zba zbb zbc zbs zvbb zvfh 
ztso zaamo zalrsc } {
        if { [check_no_compiler_messages  riscv_ext_$ext assembly [string map 
[list DEF __riscv_$ext] {
                #ifndef DEF
                #error "Not DEF"
@@ -2166,6 +2188,30 @@ proc add_options_for_riscv_v { flags } {
     return "$flags -march=[regsub {[[:alnum:]]*} [riscv_get_arch] &v]"
 }
 
+proc add_options_for_riscv_zaamo { flags } {
+    if { [lsearch $flags -march=*] >= 0 } {
+       # If there are multiple -march flags, we have to adjust all of them.
+       set flags [regsub -all -- {(?:^|[[:space:]])-march=[[:alnum:]_.]*} 
$flags &_zaamo ]
+       return [regsub -all -- 
{((?:^|[[:space:]])-march=[[:alnum:]_.]*_zaamo[[:alnum:]_.]*)_zaamo} $flags \\1 
]
+    }
+    if { [check_effective_target_riscv_zaamo] } {
+       return "$flags"
+    }
+    return "$flags -march=[riscv_get_arch]_zaamo"
+}
+
+proc add_options_for_riscv_zalrsc { flags } {
+    if { [lsearch $flags -march=*] >= 0 } {
+       # If there are multiple -march flags, we have to adjust all of them.
+       set flags [regsub -all -- {(?:^|[[:space:]])-march=[[:alnum:]_.]*} 
$flags &_zalrsc ]
+       return [regsub -all -- 
{((?:^|[[:space:]])-march=[[:alnum:]_.]*_zalrsc[[:alnum:]_.]*)_zalrsc} $flags 
\\1 ]
+    }
+    if { [check_effective_target_riscv_zalrsc] } {
+       return "$flags"
+    }
+    return "$flags -march=[riscv_get_arch]_zalrsc"
+}
+
 proc add_options_for_riscv_zfh { flags } {
     if { [lsearch $flags -march=*] >= 0 } {
        # If there are multiple -march flags, we have to adjust all of them.

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