diff --git a/gcc/testsuite/gcc.dg/asm-hard-reg-error-1.c b/gcc/testsuite/gcc.dg/asm-hard-reg-error-1.c
index 0d7c2f210d8..0a31c8508c7 100644
--- a/gcc/testsuite/gcc.dg/asm-hard-reg-error-1.c
+++ b/gcc/testsuite/gcc.dg/asm-hard-reg-error-1.c
@@ -1,4 +1,4 @@
-/* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* powerpc*-*-* riscv*-*-* s390*-*-* x86_64-*-* } } */
+/* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* powerpc*-*-* pru*-*-* riscv*-*-* s390*-*-* x86_64-*-* } } */
 
 #if defined (__aarch64__)
 # define GPR1_RAW "x0"
@@ -20,6 +20,11 @@
 # define GPR2 "{r5}"
 # define GPR3 "{r6}"
 # define INVALID_GPR_A "{r33}"
+#elif defined (__PRU__)
+# define GPR1_RAW "r20"
+# define GPR2 "{r21}"
+# define GPR3 "{r22}"
+# define INVALID_GPR_A "{r34}"
 #elif defined (__riscv)
 # define GPR1_RAW "t4"
 # define GPR2 "{t5}"
diff --git a/gcc/testsuite/gcc.dg/asm-hard-reg-error-4.c b/gcc/testsuite/gcc.dg/asm-hard-reg-error-4.c
index d1856ad4818..c1e07c9f930 100644
--- a/gcc/testsuite/gcc.dg/asm-hard-reg-error-4.c
+++ b/gcc/testsuite/gcc.dg/asm-hard-reg-error-4.c
@@ -8,6 +8,9 @@
 #elif defined __AVR__
 # define R0 "20"
 # define R1 "24"
+#elif defined __PRU__
+# define R0 "0"
+# define R1 "4"
 #else
 # define R0 "0"
 # define R1 "1"
diff --git a/gcc/testsuite/gcc.dg/asm-hard-reg-error-5.c b/gcc/testsuite/gcc.dg/asm-hard-reg-error-5.c
index 7f538ea9b9e..6588b09c377 100644
--- a/gcc/testsuite/gcc.dg/asm-hard-reg-error-5.c
+++ b/gcc/testsuite/gcc.dg/asm-hard-reg-error-5.c
@@ -9,6 +9,9 @@
 #elif defined __AVR__
 # define R0 "20"
 # define R1 "24"
+#elif defined __PRU__
+# define R0 "0"
+# define R1 "4"
 #else
 # define R0 "0"
 # define R1 "1"