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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/20031201-2.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/20031201-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/20031201-2.c
new file mode 100644
index 000000000..c32b5ebd2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/20031201-2.c
@@ -0,0 +1,41 @@
+/* PR optimization/11634 */
+
+/* The following code used to ICE in verify_local_live_at_start on
+ PA when compiled with -O2. The cause was that split_all_insns was
+ not updating liveness information when deleting no-op moves that
+ had REG_UNUSED notes. */
+
+/* { dg-do compile { target hppa*-*-* } } */
+/* { dg-options "-O2" } */
+
+void *f(void *s);
+void H5T_conv_vlen (unsigned long long nelmts, unsigned char *bg_ptr)
+{
+ long long seq_len;
+ unsigned long long bg_seq_len = 0;
+ unsigned src_base_size, dst_base_size;
+ void *tmp_buf = 0;
+ unsigned tmp_buf_size = 0;
+ unsigned long long elmtno;
+ for (elmtno = 0; elmtno < nelmts; elmtno++)
+ {
+ unsigned char *tmp = bg_ptr;
+ bg_seq_len = *tmp;
+ if (bg_seq_len > 0
+ && tmp_buf_size <
+ (unsigned) (bg_seq_len *
+ (src_base_size > dst_base_size
+ ? src_base_size
+ : dst_base_size)))
+ {
+ tmp_buf_size =
+ (unsigned) (bg_seq_len *
+ (src_base_size > dst_base_size
+ ? src_base_size
+ : dst_base_size));
+ }
+ if (bg_seq_len < seq_len)
+ f ((unsigned char *) tmp_buf + dst_base_size * bg_seq_len);
+ }
+}
+