diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-hard.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-hard.c
index 92c15112ae7..9810e28f58d 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-hard.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-hard.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nodsp -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nodsp -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler "\.arch_extension fp" } } */
 /* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
 /* { dg-final { scan-assembler-not "\.arch_extension dsp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-softfp.c
index 89d778f8ecb..cc92d8ccc60 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-softfp.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-flag-softfp.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nodsp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nodsp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler "\.arch_extension fp" } } */
 /* { dg-final { scan-assembler "\.arch_extension fp.dp" } } */
 /* { dg-final { scan-assembler-not "\.arch_extension dsp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-nofp-flag-softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-nofp-flag-softfp.c
index 405090ca9e9..11d4634a30f 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-nofp-flag-softfp.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nodsp-nofp-flag-softfp.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nodsp+nofp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nodsp+nofp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler-not "\.arch_extension fp" } } */
 /* { dg-final { scan-assembler-not "\.arch_extension fp.dp" } } */
 /* { dg-final { scan-assembler-not "\.arch_extension dsp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-hard.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-hard.c
index e0fb307ac30..bed231fc711 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-hard.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-hard.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nofp -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nofp -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler "\.fpu softvfp" } } */
 /* { dg-final { scan-assembler "\.arch_extension mve" } } */
 /* { dg-final { scan-assembler "\.arch_extension dsp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-softfp.c
index 50645e8cd0f..aad449c06c1 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-softfp.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-flag-softfp.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nofp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nofp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler "\.fpu softvfp" } } */
 /* { dg-final { scan-assembler "\.arch_extension mve" } } */
 /* { dg-final { scan-assembler "\.arch_extension dsp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c
index 948f622633c..0453cc187be 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nomve+nofp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nomve+nofp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler "\.fpu softvfp" } } */
 /* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
 /* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-hard.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-hard.c
index 2366e99ad24..755245cd92b 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-hard.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-hard.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nomve -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nomve -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
 /* { dg-final { scan-assembler "\.arch_extension dsp" } } */
 /* { dg-final { scan-assembler "\.arch_extension fp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-softfp.c
index eb2d63d3291..bec5d697038 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-softfp.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve-flag-softfp.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nomve -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nomve -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler-not "\.arch_extension mve" } } */
 /* { dg-final { scan-assembler "\.arch_extension dsp" } } */
 /* { dg-final { scan-assembler "\.arch_extension fp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c
index e7e57d986ca..75ca5c2769c 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nomve.fp -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nomve.fp -mthumb -mfloat-abi=hard -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
 /* { dg-final { scan-assembler "\.arch_extension mve" } } */
 /* { dg-final { scan-assembler "\.arch_extension dsp" } } */
diff --git a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c
index 42889aad4a3..0fddbfd54c9 100644
--- a/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c
+++ b/gcc/testsuite/gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c
@@ -1,6 +1,6 @@
 /* { dg-do assemble } */
 /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
-/* { dg-additional-options "-mcpu=cortex-m55+nomve.fp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
+/* { dg-additional-options "-march=unset -mcpu=cortex-m55+nomve.fp -mthumb -mfloat-abi=softfp -mfpu=auto --save-temps" } */
 /* { dg-final { scan-assembler-not "\.arch_extension mve.fp" } } */
 /* { dg-final { scan-assembler "\.arch_extension mve" } } */
 /* { dg-final { scan-assembler "\.arch_extension dsp" } } */