re PR target/58218 (-mcmodel=medium cause assembler warning "ignoring incorrect…

re PR target/58218 (-mcmodel=medium cause assembler warning "ignoring incorrect section type for .lbss")

	PR target/58218
	* config/i386/x86-64.h (TARGET_SECTION_TYPE_FLAGS): Define.
	* config/i386/i386.c (x86_64_elf_section_type_flags): New function.

	* gcc.target/i386/pr58218.c: New test.

From-SVN: r201938

gcc/ChangeLog

+2013-08-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/58218
+	* config/i386/x86-64.h (TARGET_SECTION_TYPE_FLAGS): Define.
+	* config/i386/i386.c (x86_64_elf_section_type_flags): New function.
+
 2013-08-23  Kirill Yukhin  <kirill.yukhin@intel.com>
 
 	* gcc/config/i386/predicates.md (ext_sse_reg_operand): New.

gcc/config/i386/i386.c

@@ -4912,6 +4912,28 @@ x86_64_elf_select_section (tree decl, int reloc,
   return default_elf_select_section (decl, reloc, align);
 }
 
+/* Select a set of attributes for section NAME based on the properties
+   of DECL and whether or not RELOC indicates that DECL's initializer
+   might contain runtime relocations.  */
+
+static unsigned int ATTRIBUTE_UNUSED
+x86_64_elf_section_type_flags (tree decl, const char *name, int reloc)
+{
+  unsigned int flags = default_section_type_flags (decl, name, reloc);
+
+  if (decl == NULL_TREE
+      && (strcmp (name, ".ldata.rel.ro") == 0
+	  || strcmp (name, ".ldata.rel.ro.local") == 0))
+    flags |= SECTION_RELRO;
+
+  if (strcmp (name, ".lbss") == 0
+      || strncmp (name, ".lbss.", 5) == 0
+      || strncmp (name, ".gnu.linkonce.lb.", 16) == 0)
+    flags |= SECTION_BSS;
+
+  return flags;
+}
+
 /* Build up a unique section name, expressed as a
    STRING_CST node, and assign it to DECL_SECTION_NAME (decl).
    RELOC indicates whether the initial value of EXP requires

gcc/config/i386/x86-64.h

@@ -103,3 +103,6 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 
 #undef TARGET_ASM_UNIQUE_SECTION
 #define TARGET_ASM_UNIQUE_SECTION  x86_64_elf_unique_section
+
+#undef TARGET_SECTION_TYPE_FLAGS
+#define TARGET_SECTION_TYPE_FLAGS  x86_64_elf_section_type_flags

gcc/testsuite/ChangeLog

 2013-08-23  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/58218
+	* gcc.target/i386/pr58218.c: New test.
+
 	PR tree-optimization/58209
 	* gcc.c-torture/execute/pr58209.c: New test.
 

gcc/testsuite/gcc.target/i386/pr58218.c

+/* PR target/58218 */
+/* { dg-do assemble { target lp64 } } */
+/* { dg-options "-mcmodel=medium" } */
+
+struct { float x[16385]; } a = { { 0.f, } };