+2010-05-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/44223
+ * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
+ unchain each use from the cyclic next_regno_use chain first.
+
2010-05-21 Steven Bosscher <steven@gcc.gnu.org>
* real: Do not include gmp.h, mpfr.h, and mpc.h.
/* Unknown location doesn't use any registers. */
for (use = INSN_REG_USE_LIST (dbg); use != NULL; use = next)
{
+ struct reg_use_data *prev = use;
+
+ /* Remove use from the cyclic next_regno_use chain first. */
+ while (prev->next_regno_use != use)
+ prev = prev->next_regno_use;
+ prev->next_regno_use = use->next_regno_use;
next = use->next_insn_use;
free (use);
}
+2010-05-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/44223
+ * gcc.target/i386/pr44223.c: New test.
+
2010-05-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* gcc.target/i386/pr25993.c: Use @function as type specifier.
--- /dev/null
+/* PR debug/44223 */
+/* { dg-do compile } */
+/* { dg-options "-O3 -fsched-pressure -fschedule-insns -fpic -march=core2 -g" { target fpic } } */
+
+struct S { unsigned int s1; int s2; };
+struct T { int t; };
+
+extern void extfn (struct S *);
+
+static inline void
+foo (struct S *s, unsigned char *x, int y)
+{
+ s->s2 = 32;
+}
+
+static inline void
+bar (struct S *s, int n, unsigned int x)
+{
+ unsigned int s1;
+ int s2;
+ s1 = s->s1;
+ s2 = s->s2;
+ if (n < s2)
+ s1 = (s1 << n) | x;
+ s->s1 = s1;
+}
+
+int
+baz (struct T *u, unsigned char *v, int w)
+{
+ struct S y;
+ foo (&y, v, 7);
+ bar (&y, 12, 0xfff);
+ bar (&y, 2, u->t);
+ extfn (&y);
+}