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| author | Dave Korn <dave.korn.cygwin@gmail.com> | 2010-12-10 14:28:58 +0000 |
|---|---|---|
| committer | Dave Korn <davek@gcc.gnu.org> | 2010-12-10 14:28:58 +0000 |
| commit | 77754180a97af78b7b330bdabc7072e1f1da07e6 (patch) | |
| tree | cb0845f24d59969509e47111a1b3af34cd9b8773 /gcc/lto-symtab.c | |
| parent | 4816c5938dfb6d9510b43f9223dab24af530e00e (diff) | |
| download | gcc-77754180a97af78b7b330bdabc7072e1f1da07e6.zip gcc-77754180a97af78b7b330bdabc7072e1f1da07e6.tar.gz gcc-77754180a97af78b7b330bdabc7072e1f1da07e6.tar.bz2 | |
re PR middle-end/46674 (Weak alias is mistakenly optimized away)
gcc/ChangeLog:
PR middle-end/46674
PR lto/43157
* target.def (mangle_assembler_name): New target asm_out hook.
* targhooks.c (default_mangle_assembler_name): Add default hook
implementation.
* targhooks.h (default_mangle_assembler_name): Add prototype.
* lto-symtab.c (lto_symtab_register_decl): Use new hook when
processing DECL_ASSEMBLER_NAMEs for lto symtabs.
(lto_symtab_get_resolution): Likewise.
(lto_cgraph_replace_node): Likewise.
(lto_symtab_prevailing_decl): Likewise.
* lto-streamer-out.c (write_symbol): Likewise.
* doc/tm.texi.in (TARGET_MANGLE_ASSEMBLER_NAME): Add @hook directive.
* doc/tm.texi: Regenerate.
* config/i386/cygming.h (TARGET_MANGLE_ASSEMBLER_NAME): Define to
point at i386_pe_mangle_assembler_name.
* config/i386/winnt.c (i386_pe_mangle_assembler_name): New function.
* config/i386/i386-protos.h (i386_pe_mangle_assembler_name): Add
prototype.
lto-plugin/ChangeLog:
PR middle-end/46674
PR lto/43157
* configure.ac (SYM_STYLE): Don't AC_DEFINE.
* lto-plugin.c (sym_style): Don't use it; default to ss_none.
* configure: Regenerate.
* config.h.in: Likewise.
gcc/testsuite/ChangeLog:
PR middle-end/46674
PR lto/43157
* gcc.dg/pr43157.c: New file.
From-SVN: r167688
Diffstat (limited to 'gcc/lto-symtab.c')
| -rw-r--r-- | gcc/lto-symtab.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/lto-symtab.c b/gcc/lto-symtab.c index dbdbcb2..c86bbcc 100644 --- a/gcc/lto-symtab.c +++ b/gcc/lto-symtab.c @@ -155,7 +155,8 @@ lto_symtab_register_decl (tree decl, gcc_assert (!DECL_ABSTRACT (decl)); new_entry = ggc_alloc_cleared_lto_symtab_entry_def (); - new_entry->id = DECL_ASSEMBLER_NAME (decl); + new_entry->id = (*targetm.asm_out.mangle_assembler_name) + (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl))); new_entry->decl = decl; new_entry->resolution = resolution; new_entry->file_data = file_data; @@ -190,7 +191,8 @@ lto_symtab_get_resolution (tree decl) gcc_assert (DECL_ASSEMBLER_NAME_SET_P (decl)); - e = lto_symtab_get (DECL_ASSEMBLER_NAME (decl)); + e = lto_symtab_get ((*targetm.asm_out.mangle_assembler_name) + (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)))); while (e && e->decl != decl) e = e->next; if (!e) @@ -218,7 +220,8 @@ lto_cgraph_replace_node (struct cgraph_node *node, cgraph_node_name (node), node->uid, cgraph_node_name (prevailing_node), prevailing_node->uid, - IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (node->decl))); + IDENTIFIER_POINTER ((*targetm.asm_out.mangle_assembler_name) + (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (node->decl))))); } if (prevailing_node->same_body_alias) @@ -836,7 +839,8 @@ lto_symtab_prevailing_decl (tree decl) gcc_assert (DECL_ASSEMBLER_NAME_SET_P (decl)); /* Walk through the list of candidates and return the one we merged to. */ - ret = lto_symtab_get (DECL_ASSEMBLER_NAME (decl)); + ret = lto_symtab_get ((*targetm.asm_out.mangle_assembler_name) + (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)))); if (!ret) return NULL_TREE; |