+2002-04-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/6223
+ * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz.
+
2002-04-10 David O'Brien <obrien@FreeBSD.org>
* config/alpha/freebsd.h: Minor reformatting.
&& GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT
&& exact_log2 (nz = nonzero_bits (x, mode)) >= 0)
{
- *ptrue = GEN_INT (nz), *pfalse = const0_rtx;
+ *ptrue = gen_int_mode (nz, mode), *pfalse = const0_rtx;
return x;
}
+2002-04-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/6223
+ * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz.
+
+ * gcc.dg/20020411-1.c: New test.
+
2002-04-10 Janis Johnson <janis187@us.ibm.com>
* g77.f-torture/execute/6177.f: New test.
--- /dev/null
+/* PR c/6223
+ This testcase ICEd in internal check because a constant was not truncated
+ for its mode. */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -march=i686" { target i?86-*-* } } */
+
+typedef struct
+{
+ unsigned a : 16;
+ unsigned b : 16;
+ unsigned c : 5;
+ unsigned d : 2;
+ unsigned e : 1;
+ unsigned f : 4;
+ unsigned g : 1;
+ unsigned h : 1;
+ unsigned i : 1;
+ unsigned j : 1;
+} T;
+
+inline void
+foo (T *x, unsigned int y)
+{
+ if ((x->j = (y >= 0x100000)))
+ y >>= 12;
+ x->a = y;
+ x->f = (y >> 16);
+}
+
+void __attribute__((noinline))
+bar (T *x)
+{
+}
+
+void
+baz (unsigned int x, unsigned char y)
+{
+ T t;
+
+ foo (&t, x - 1);
+ t.e = 1;
+ t.c = y;
+ t.g = 0;
+ t.h = 0;
+ t.i = (y & 0x40) != 0;
+ if (x == 1)
+ foo (&t, 1);
+ bar (&t);
+}