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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/pr63661.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr63661.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr63661.c
new file mode 100644
index 000000000..a5ffd2f4f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr63661.c
@@ -0,0 +1,80 @@
+/* PR target/63661 */
+/* { dg-do run } */
+/* { dg-require-effective-target fpic } */
+/* { dg-options "-mtune=nehalem -fPIC -O2" } */
+
+static void __attribute__((noinline,noclone,hot))
+foo (double a, double q, double *ff, double *gx, int e, int ni)
+{
+ union
+ {
+ double n;
+ unsigned long long o;
+ } punner;
+ double d;
+
+ punner.n = q;
+ __builtin_printf("B: 0x%016llx ---- %g\n", punner.o, q);
+
+ d = q - 5;
+ if(d < 0)
+ d = -d;
+ if (d > 0.1)
+ __builtin_abort();
+}
+
+static int __attribute__((noinline,noclone,hot))
+bar (int order, double q, double c[])
+{
+ int ni, nn, i, e;
+ double g2, x2, de, s, ratio, ff;
+
+ nn = 0;
+ e = order & 1;
+ s = 0;
+ ratio = 0;
+ x2 = 0;
+ g2 = 0;
+
+ if(q == 0.0)
+ return 0;
+
+ if (order < 5)
+ {
+ ratio = 1.0 / q;
+ nn = order;
+ }
+
+ ni = -nn;
+
+ while(1)
+ {
+ de = ratio - g2 - x2;
+
+ foo (0, q, &ff, &g2, e, ni);
+
+ if((int)de == 0)
+ break;
+ }
+
+ s += 2 * nn * c[nn];
+
+ for (i = 0; i < 1; i++)
+ {
+ c[0] = nn;
+ for (; i < 10; i++)
+ c[i] = 0.0;
+ c[0] /= s;
+ }
+
+ return 0;
+}
+
+int
+main ()
+{
+ double c[1000];
+
+ bar (1, 5.0, c);
+ return 0;
+}