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toolchain/gcc: add a 3.4.6 patch fixing a g++ bug where it generates local references to linkonce (see http://gcc.gnu.org/PR16276, closes: #7014)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20900 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nico 2010-04-16 02:55:30 +00:00
parent 4aebd87ddd
commit 4b8608586d
1 changed files with 61 additions and 0 deletions
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toolchain/gcc/patches/3.4.6/701-pr16276-fix.patch Normal file
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@ -0,0 +1,61 @@
http://gcc.gnu.org/PR16276
2004-07-08 H.J. Lu <hongjiu.lu@intel.com>
PR c++/16276
* final.c (PUT_JUMP_TABLES_IN_TEXT_SECTION): New.
(shorten_branches): Replace JUMP_TABLES_IN_TEXT_SECTION with
PUT_JUMP_TABLES_IN_TEXT_SECTION.
(final_scan_insn): Likewise.
--- a/gcc/final.c 2003-12-03 09:42:25.000000000 -0800
+++ b/gcc/final.c 2004-07-08 14:45:07.900366938 -0700
@@ -100,6 +100,9 @@ Software Foundation, 59 Temple Place - S
#define JUMP_TABLES_IN_TEXT_SECTION 0
#endif
+#define PUT_JUMP_TABLES_IN_TEXT_SECTION \
+ (JUMP_TABLES_IN_TEXT_SECTION || DECL_ONE_ONLY (current_function_decl))
+
#if defined(READONLY_DATA_SECTION) || defined(READONLY_DATA_SECTION_ASM_OP)
#define HAVE_READONLY_DATA_SECTION 1
#else
@@ -1119,7 +1122,8 @@ shorten_branches (first)
next = NEXT_INSN (insn);
/* ADDR_VECs only take room if read-only data goes into the text
section. */
- if (JUMP_TABLES_IN_TEXT_SECTION || !HAVE_READONLY_DATA_SECTION)
+ if (PUT_JUMP_TABLES_IN_TEXT_SECTION
+ || !HAVE_READONLY_DATA_SECTION)
if (next && GET_CODE (next) == JUMP_INSN)
{
rtx nextbody = PATTERN (next);
@@ -1282,7 +1286,8 @@ shorten_branches (first)
{
/* This only takes room if read-only data goes into the text
section. */
- if (JUMP_TABLES_IN_TEXT_SECTION || !HAVE_READONLY_DATA_SECTION)
+ if (PUT_JUMP_TABLES_IN_TEXT_SECTION
+ || !HAVE_READONLY_DATA_SECTION)
insn_lengths[uid] = (XVECLEN (body,
GET_CODE (body) == ADDR_DIFF_VEC)
* GET_MODE_SIZE (GET_MODE (body)));
@@ -1483,7 +1488,8 @@ shorten_branches (first)
PUT_MODE (body, CASE_VECTOR_SHORTEN_MODE (min_addr - rel_addr,
max_addr - rel_addr,
body));
- if (JUMP_TABLES_IN_TEXT_SECTION || !HAVE_READONLY_DATA_SECTION)
+ if (PUT_JUMP_TABLES_IN_TEXT_SECTION
+ || !HAVE_READONLY_DATA_SECTION)
{
insn_lengths[uid]
= (XVECLEN (body, 1) * GET_MODE_SIZE (GET_MODE (body)));
@@ -2254,7 +2260,7 @@ final_scan_insn (insn, file, optimize, p
target, so don't output the label at all. Leave that
to the back end macros. */
#else
- if (! JUMP_TABLES_IN_TEXT_SECTION)
+ if (! PUT_JUMP_TABLES_IN_TEXT_SECTION)
{
int log_align;