1 files changed, 58 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr42705.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr42705.c
new file mode 100644
index 000000000..3d7b22da8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr42705.c
@@ -0,0 +1,58 @@
+typedef int GLint;
+typedef unsigned char GLubyte;
+typedef unsigned int uint32_t;
+struct radeon_bo {
+    void *ptr;
+    uint32_t flags;
+};
+struct radeon_renderbuffer {
+    struct radeon_bo *bo;
+    unsigned int cpp;
+    int has_surface;
+};
+static inline
+GLint r600_1d_tile_helper(const struct radeon_renderbuffer * rrb,
+			  GLint x, GLint y, GLint is_depth, GLint is_stencil)
+{
+  GLint element_bytes = rrb->cpp;
+  GLint num_samples = 1;
+  GLint tile_width = 8;
+  GLint tile_height = 8;
+  GLint tile_thickness = 1;
+  GLint tile_bytes;
+  GLint tiles_per_row;
+  GLint slice_offset;
+  GLint tile_row_index;
+  GLint tile_column_index;
+  GLint tile_offset;
+  GLint pixel_number = 0;
+  GLint element_offset;
+  GLint offset = 0;
+  tile_bytes = tile_width * tile_height * tile_thickness
+      * element_bytes * num_samples;
+  tile_column_index = x / tile_width;
+  tile_offset = ((tile_row_index * tiles_per_row)
+		 + tile_column_index) * tile_bytes;
+  if (is_depth) {
+  }
+  else {
+      GLint sample_offset;
+      switch (element_bytes) {
+	  case 1:       pixel_number |= ((x >> 0) & 1) << 0;
+      }
+      element_offset = sample_offset + (pixel_number * element_bytes);
+  }
+  offset = slice_offset + tile_offset + element_offset;
+  return offset;
+}
+GLubyte *r600_ptr_color(const struct radeon_renderbuffer * rrb,
+			GLint x, GLint y)
+{
+  GLubyte *ptr = rrb->bo->ptr;
+  uint32_t mask = 1 | 2;
+  GLint offset;
+  if (rrb->has_surface || !(rrb->bo->flags & mask)) {
+      offset = r600_1d_tile_helper(rrb, x, y, 0, 0);
+  }
+  return &ptr[offset];
+}