1 files changed, 82 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/ia64/fpreg-1.c b/gcc/testsuite/gcc.target/ia64/fpreg-1.c
new file mode 100644
index 000000000..8c9e21d7c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/ia64/fpreg-1.c
@@ -0,0 +1,82 @@
+/* Test permitted and invalid uses of __fpreg.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+__float80 f80;
+double d;
+/* Default initialized __fpreg is OK.  */
+__fpreg fpreg, fpreg2;
+/* But explicitly zero-initialized is an invalid conversion.  */
+__fpreg fi = 0; /* { dg-error "invalid conversion to '__fpreg'" } */
+
+__fpreg f0 (__fpreg);
+int f1 (__float80);
+
+/* __fpreg in a structure is OK.  */
+struct s {
+  __float80 b;
+  __fpreg a;
+} x;
+
+void
+f (void)
+{
+  __fpreg *p;
+  /* Valid operations.  */
+  fpreg = fpreg2;
+  fpreg2 = (__fpreg) fpreg;
+  fpreg = f0 (fpreg2);
+  fpreg = +fpreg2;
+  p = &fpreg;
+  (void) fpreg;
+  fpreg = x.a;
+  fpreg2 = (struct s) { 0 }.a;
+  fpreg = (d ? fpreg : fpreg2);
+  d = sizeof (fpreg);
+  (void)(fpreg, fpreg);
+  /* Invalid operations.  */
+  ++fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  --fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg++; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg--; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = -fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = ~fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = !fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = *fpreg; /* { dg-error "invalid type argument" } */
+  if (fpreg) /* { dg-error "invalid operation on '__fpreg'" } */
+    return;
+  d = fpreg; /* { dg-error "invalid conversion from '__fpreg'" } */
+  d = (double) fpreg; /* { dg-error "invalid conversion from '__fpreg'" } */
+  fpreg = (__fpreg) d; /* { dg-error "invalid conversion to '__fpreg'" } */
+  fpreg = fpreg * fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = fpreg / fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = fpreg % fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = fpreg + fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = fpreg - fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = fpreg << fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = fpreg >> fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg < fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg > fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg <= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg >= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg == fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg != fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg & fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg ^ fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg | fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg && fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = fpreg || fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  d = (fpreg ? 1 : 2); /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg = (d ? fpreg : d); /* { dg-error "invalid conversion to '__fpreg'" } */
+  fpreg *= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg /= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg %= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg += fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg -= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg <<= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg >>= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg &= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg ^= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+  fpreg |= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
+}