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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/20011107-1.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/20011107-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/20011107-1.c
new file mode 100644
index 000000000..c1cfe88a4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/20011107-1.c
@@ -0,0 +1,46 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ia32 } */
+/* { dg-options "-O2 -mtune=k6" } */
+
+void
+foo (unsigned char *x, const unsigned char *y)
+{
+ int a = 6;
+ unsigned char *b;
+ for (;;)
+ {
+ unsigned char *c = x;
+
+ while (1)
+ {
+ if (c + 2 < y)
+ c += 3;
+ else
+ break;
+ }
+ b = x + a;
+ if (*c == 4 || *c == 5)
+ {
+ unsigned char d = c[2];
+
+ if (b[3] == 7 || b[3] == 8)
+ {
+ int e = b[3] == 8;
+ if (d < b[4] * 8 && b[5 + d / 8] & (1 << (d % 8)))
+ e = !e;
+ if (!e)
+ x[-3] = 26;
+ }
+ }
+ else if (*c == 7 && b[3] == 8)
+ {
+ int f;
+ for (f = 0; f < (int) c[1]; f++)
+ if (!(c[2 + f] == 0))
+ break;
+ if (f == c[1])
+ x[-3] = 26;
+ }
+ x -= 2;
+ }
+}