+2010-03-23 Mike Stump <mikestump@comcast.net>
+
+ PR target/33120
+ * config/darwin.h (ASM_OUTPUT_ALIGNED_BSS): Add.
+ * config/darwin.c (darwin_output_aligned_bss): Add.
+ * config/darwin-protos.h: Add darwin_output_aligned_bss.
+
2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/43413
extern bool darwin_kextabi_p (void);
extern void darwin_override_options (void);
extern void darwin_patch_builtins (void);
+extern void darwin_output_aligned_bss (FILE *, tree, const char *,
+ unsigned HOST_WIDE_INT size,
+ unsigned int align);
#undef PATCH_BUILTIN_VARIADIC
}
+void
+darwin_output_aligned_bss(FILE *fp, tree decl, const char *name,
+ unsigned HOST_WIDE_INT size, unsigned int align)
+{
+ bool weak = (DECL_P (decl)
+ && DECL_WEAK (decl)
+ && !lookup_attribute ("weak_import",
+ DECL_ATTRIBUTES (decl)));
+ if (size == 0)
+ size = 1;
+ align = floor_log2 (align / BITS_PER_UNIT);
+ if (DECL_ONE_ONLY (decl) || weak) {
+ if (TREE_READONLY (decl) || TREE_CONSTANT (decl))
+ switch_to_section (darwin_sections[const_data_coal_section]);
+ else
+ switch_to_section (darwin_sections[data_coal_section]);
+ ASM_OUTPUT_ALIGN (fp, align);
+ ASM_DECLARE_OBJECT_NAME (fp, name, decl);
+ ASM_OUTPUT_SKIP (fp, size);
+ return;
+ }
+
+ fputs (".zerofill ", fp);
+ /* We uniquely name sections based upon the alignment as otherwise
+ all symbols in the section would get that alignment. */
+ if (TREE_READONLY (decl) || TREE_CONSTANT (decl))
+ fputs ("__TEXT, ", fp);
+ else
+ fputs ("__DATA, ", fp);
+ fprintf (fp, "__bss%d, ", align);
+ assemble_name (fp, name);
+ fprintf (fp, ", "HOST_WIDE_INT_PRINT_UNSIGNED", %u\n",
+ size, align);
+ (* targetm.encode_section_info) (decl, DECL_RTL (decl), false);
+ machopic_define_symbol (DECL_RTL (decl));
+}
#include "gt-darwin.h"
} \
} while (0)
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ darwin_output_aligned_bss(FILE, DECL, NAME, SIZE, ALIGN)
+
/* The maximum alignment which the object file format can support in
bits. For Mach-O, this is 2^15 bytes. */
+2010-03-23 Mike Stump <mikestump@comcast.net>
+
+ PR target/33120
+ * g++.dg/ext/instantiate2.C: Update for .zerofill as it doesn't
+ follow the usual conventions for symbol definitions.
+ * gcc.target/i386/darwin-zerofill.c: Add.
+
2010-03-22 Jason Merrill <jason@redhat.com>
PR c++/43333
template <class T> T A<T>::t = 0;
static template struct A<int>;
-// { dg-final { scan-assembler "\n_?_ZN1AIiE1tE(:|\n|\t)" } }
+// { dg-final { scan-assembler "\n_?_ZN1AIiE1tE(:|\n|\t)" { target { ! *-apple-darwin* } } } }
+// { dg-final { scan-assembler ".zerofill __DATA, __bss2, __ZN1AIiE1tE" { target *-apple-darwin* } } }
void test_int() { A<int>::t = 42; }
// { dg-final { scan-assembler-not "\n_?_ZN1AIcE1tE(:|\n|\t)" } }
--- /dev/null
+/* { dg-do compile { target i?86-apple-darwin* x86_64-apple-darwin* } } */
+/* { dg-options "-fno-common" } */
+
+/* { dg-final { scan-assembler ".zerofill __DATA, __bss11, _ji, 4000000, 11" } } */
+/* { dg-final { scan-assembler ".zerofill __TEXT, __bss8, _cj, 4000000, 8" } } */
+/* PR33120 */
+
+int ji[1000000] __attribute((aligned(2048)));
+const int cj[1000000] __attribute((aligned(256)));