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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020120-1.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020120-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020120-1.c
new file mode 100644
index 000000000..e049a9720
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020120-1.c
@@ -0,0 +1,55 @@
+/* This ICEed on IA-32 with -O2 -mcpu=i386, because reload was trying
+ to reload into %sil register. */
+
+struct A
+{
+ void *a;
+ unsigned int b, c, d;
+};
+
+struct B
+{
+ struct A *e;
+};
+
+void bar (struct A *);
+void baz (struct A *);
+
+static inline unsigned int
+inl (unsigned int v, unsigned char w, unsigned char x, unsigned char y,
+ unsigned char z)
+{
+ switch (v)
+ {
+ case 2:
+ return ((w & 0xf8) << 8) | ((x & 0xfc) << 3) | ((y & 0xf8) >> 3);
+ case 4:
+ return (z << 24) | (w << 16) | (x << 8) | y;
+ default:
+ return 0;
+ }
+}
+
+void foo (struct B *x, int y, const float *z)
+{
+ struct A *a = x->e;
+
+ if (y)
+ {
+ if (x->e->a)
+ bar (x->e);
+ }
+ else
+ {
+ unsigned char c[4];
+ unsigned int b;
+
+ c[0] = z[0]; c[1] = z[1]; c[2] = z[2]; c[3] = z[3];
+ b = inl (a->b, c[0], c[1], c[2], c[3] );
+ if (a->a)
+ bar (a);
+ else
+ baz (a);
+ a->c = b;
+ }
+}