1 files changed, 74 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/riscv/bext-ext-2.c b/gcc/testsuite/gcc.target/riscv/bext-ext-2.c
new file mode 100644
index 0000000..aa170d0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/bext-ext-2.c
@@ -0,0 +1,74 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcb -mabi=lp64" } */
+/* { dg-skip-if "" { *-*-* } { "-O0" } } */
+
+struct obstack;
+struct bitmap_head_def;
+typedef struct bitmap_head_def *bitmap;
+struct obstack
+{
+  long chunk_size;
+  struct _obstack_chunk *chunk;
+  char *object_base;
+  char *next_free;
+  char *chunk_limit;
+  long int temp;
+  int alignment_mask;
+
+
+
+  struct _obstack_chunk *(*chunkfun) (void *, long);
+  void (*freefun) (void *, struct _obstack_chunk *);
+  void *extra_arg;
+  unsigned use_extra_arg:1;
+  unsigned maybe_empty_object:1;
+
+
+
+  unsigned alloc_failed:1;
+
+
+};
+
+typedef unsigned long BITMAP_WORD;
+typedef struct bitmap_obstack {
+  struct bitmap_element_def *elements;
+  struct bitmap_head_def *heads;
+  struct obstack obstack;
+} bitmap_obstack;
+typedef struct bitmap_element_def {
+  struct bitmap_element_def *next;
+  struct bitmap_element_def *prev;
+  unsigned int indx;
+  BITMAP_WORD bits[((128 + (8 
+                  * 8 * 1u) - 1) / (8 
+                  * 8 * 1u))];
+} bitmap_element;
+bitmap_element *bitmap_find_bit (bitmap, unsigned int);
+
+
+int
+bitmap_bit_p (bitmap head, int bit)
+{
+  bitmap_element *ptr;
+  unsigned bit_num;
+  unsigned word_num;
+
+  ptr = bitmap_find_bit (head, bit);
+  if (ptr == 0)
+    return 0;
+
+  bit_num = bit % (8 
+                 * 8 * 1u);
+  word_num = bit / (8 
+                  * 8 * 1u) % ((128 + (8 
+                                     * 8 * 1u) - 1) / (8 
+                                     * 8 * 1u));
+
+  return (ptr->bits[word_num] >> bit_num) & 1;
+}
+
+/* { dg-final { scan-assembler-times "bext\t" 1 } } */
+/* { dg-final { scan-assembler-not "slr\t"} } */
+/* { dg-final { scan-assembler-not "andi\t"} } */
+