--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.target/arm/acle/cde-mve-error-1.c	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,62 @@
+#include "arm_cde.h"
+
+/* { dg-do assemble } */
+/* { dg-require-effective-target arm_v8_1m_main_cde_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_main_cde_mve_fp } */
+
+/* Ensure the error messages make sense when passing too many/too few arguments
+   to the intrinsic user-facing functions.  */
+uint8x16_t test_invalid_arguments (uint8x16_t n, uint8x16_t m)
+{
+  uint8x16_t accum = __arm_vcx1q_u8 (0, 33, 1);   /* { dg-error {macro "__arm_vcx1q_u8" passed 3 arguments, but takes just 2} } */
+  accum += __arm_vcx1qa (0, accum, 33, 1);        /* { dg-error {macro "__arm_vcx1qa" passed 4 arguments, but takes just 3} } */
+  accum += __arm_vcx2q_u8 (0, n, 33, 1);          /* { dg-error {macro "__arm_vcx2q_u8" passed 4 arguments, but takes just 3} } */
+  accum += __arm_vcx2q (0, n, 33, 1);             /* { dg-error {macro "__arm_vcx2q" passed 4 arguments, but takes just 3} } */
+  accum += __arm_vcx2qa (0, accum, n, 33, 1);     /* { dg-error {macro "__arm_vcx2qa" passed 5 arguments, but takes just 4} } */
+  accum += __arm_vcx3q_u8 (0, n, m, 33, 1);       /* { dg-error {macro "__arm_vcx3q_u8" passed 5 arguments, but takes just 4} } */
+  accum += __arm_vcx3q (0, n, m, 33, 1);          /* { dg-error {macro "__arm_vcx3q" passed 5 arguments, but takes just 4} } */
+  accum += __arm_vcx3qa (0, accum, n, m, 33, 1);  /* { dg-error {macro "__arm_vcx3qa" passed 6 arguments, but takes just 5} } */
+  accum += __arm_vcx1q_u8 (0);                    /* { dg-error {macro "__arm_vcx1q_u8" requires 2 arguments, but only 1 given} } */
+  accum += __arm_vcx1qa (0, accum);               /* { dg-error {macro "__arm_vcx1qa" requires 3 arguments, but only 2 given} } */
+  accum += __arm_vcx2q_u8 (0, n);                 /* { dg-error {macro "__arm_vcx2q_u8" requires 3 arguments, but only 2 given} } */
+  accum += __arm_vcx2q (0, n);                    /* { dg-error {macro "__arm_vcx2q" requires 3 arguments, but only 2 given} } */
+  accum += __arm_vcx2qa (0, accum, n);            /* { dg-error {macro "__arm_vcx2qa" requires 4 arguments, but only 3 given} } */
+  accum += __arm_vcx3q_u8 (0, n, m);              /* { dg-error {macro "__arm_vcx3q_u8" requires 4 arguments, but only 3 given} } */
+  accum += __arm_vcx3q (0, n, m);                 /* { dg-error {macro "__arm_vcx3q" requires 4 arguments, but only 3 given} } */
+  accum += __arm_vcx3qa (0, accum, n, m);         /* { dg-error {macro "__arm_vcx3qa" requires 5 arguments, but only 4 given} } */
+
+  accum += __arm_vcx1q_m (0, accum, 33, 1, 4);         /* { dg-error {macro "__arm_vcx1q_m" passed 5 arguments, but takes just 4} } */
+  accum += __arm_vcx1qa_m (0, accum, 33, 1, 4);        /* { dg-error {macro "__arm_vcx1qa_m" passed 5 arguments, but takes just 4} } */
+  accum += __arm_vcx2q_m (0, accum, n, 33, 1, 4);      /* { dg-error {macro "__arm_vcx2q_m" passed 6 arguments, but takes just 5} } */
+  accum += __arm_vcx2qa_m (0, accum, n, 33, 1, 4);     /* { dg-error {macro "__arm_vcx2qa_m" passed 6 arguments, but takes just 5} } */
+  accum += __arm_vcx3q_m (0, accum, n, m, 33, 1, 4);   /* { dg-error {macro "__arm_vcx3q_m" passed 7 arguments, but takes just 6} } */
+  accum += __arm_vcx3qa_m (0, accum, n, m, 33, 1, 4);  /* { dg-error {macro "__arm_vcx3qa_m" passed 7 arguments, but takes just 6} } */
+  accum += __arm_vcx1q_m (0, accum, 4);                /* { dg-error {macro "__arm_vcx1q_m" requires 4 arguments, but only 3 given} } */
+  accum += __arm_vcx1qa_m (0, accum, 4);               /* { dg-error {macro "__arm_vcx1qa_m" requires 4 arguments, but only 3 given} } */
+  accum += __arm_vcx2q_m (0, accum, n, 4);             /* { dg-error {macro "__arm_vcx2q_m" requires 5 arguments, but only 4 given} } */
+  accum += __arm_vcx2qa_m (0, accum, n, 4);            /* { dg-error {macro "__arm_vcx2qa_m" requires 5 arguments, but only 4 given} } */
+  accum += __arm_vcx3q_m (0, accum, n, m, 4);          /* { dg-error {macro "__arm_vcx3q_m" requires 6 arguments, but only 5 given} } */
+  accum += __arm_vcx3qa_m (0, accum, n, m, 4);         /* { dg-error {macro "__arm_vcx3qa_m" requires 6 arguments, but only 5 given} } */
+
+  /* The preprocessor complains that the macro was given an invalid number of
+     arguments, and because of that ends up not expanding the macro but
+     rather just leaving the macro name in the source code.  That macro name
+     results in these errors.  */
+  /* { dg-error {'__arm_vcx1q_u8' undeclared \(first use in this function\)}  "" { target { *-*-* } } 11 } */
+  /* { dg-error {'__arm_vcx1qa' undeclared \(first use in this function\)}  "" { target { *-*-* } } 12 } */
+  /* { dg-error {'__arm_vcx2q_u8' undeclared \(first use in this function\)}  "" { target { *-*-* } } 13 } */
+  /* { dg-error {'__arm_vcx2q' undeclared \(first use in this function\)}  "" { target { *-*-* } } 14 } */
+  /* { dg-error {'__arm_vcx2qa' undeclared \(first use in this function\)}  "" { target { *-*-* } } 15 } */
+  /* { dg-error {'__arm_vcx3q_u8' undeclared \(first use in this function\)}  "" { target { *-*-* } } 16 } */
+  /* { dg-error {'__arm_vcx3q' undeclared \(first use in this function\)}  "" { target { *-*-* } } 17 } */
+  /* { dg-error {'__arm_vcx3qa' undeclared \(first use in this function\)}  "" { target { *-*-* } } 18 } */
+
+  /* { dg-error {'__arm_vcx1q_m' undeclared \(first use in this function\)} "" { target { *-*-* } } 28 } */
+  /* { dg-error {'__arm_vcx1qa_m' undeclared \(first use in this function\)} "" { target { *-*-* } } 29 } */
+  /* { dg-error {'__arm_vcx2q_m' undeclared \(first use in this function\)} "" { target { *-*-* } } 30 } */
+  /* { dg-error {'__arm_vcx2qa_m' undeclared \(first use in this function\)} "" { target { *-*-* } } 31 } */
+  /* { dg-error {'__arm_vcx3q_m' undeclared \(first use in this function\)} "" { target { *-*-* } } 32 } */
+  /* { dg-error {'__arm_vcx3qa_m' undeclared \(first use in this function\)} "" { target { *-*-* } } 33 } */
+
+  return accum;
+}