diff options
| author | Eric Botcazou <ebotcazou@adacore.com> | 2011-06-02 10:48:11 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@adacore.com> | 2011-06-02 10:48:11 +0000 |
| commit | d2c50138b9b361a3c9272069df076540c83ed444 (patch) | |
| tree | 5f109a1d3dfcb88bc0c15d333cf680895b7292b4 /gcc/cse.c | |
| parent | 69defb4833f5cdc0e21844ac448d03fd695f5552 (diff) | |
* function.h (struct stack_usage): Remove dynamic_alloc_count field.
(current_function_dynamic_alloc_count): Delete.
* builtins.c (expand_builtin_setjmp_setup): Do not set calls_setjmp.
(expand_builtin_nonlocal_goto): Remove obsolete comment.
(expand_builtin_update_setjmp_buf): Remove dead code.
* cse.c (cse_find_path): Do not follow a single abnormal incoming edge.
* explow.c (allocate_dynamic_stack_space): Remove SETJMP_VIA_SAVE_AREA
support.
* function.c (instantiate_virtual_regs): Likewise.
* postreload-gcse.c (bb_has_well_behaved_predecessors): Return false
for a block with a single abnormal incoming edge.
* config/sparc/sparc.h (STACK_SAVEAREA_MODE): Define.
* config/sparc/sparc-protos.h (load_got_register): Declare.
* config/sparc/sparc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
(load_got_register): Make global.
(sparc_frame_pointer_required): Add 'static'.
(sparc_can_eliminate): Likewise. Call sparc_frame_pointer_required.
(sparc_builtin_setjmp_frame_value): New function.
* config/sparc/sparc.md (UNSPECV_SETJMP): Remove.
(save_stack_nonlocal): New expander.
(restore_stack_nonlocal): Likewise.
(nonlocal_goto): Remove modes, adjust predicates and reimplement.
(nonlocal_goto_internal): New insn.
(goto_handler_and_restore): Delete.
(builtin_setjmp_setup): Likewise.
(do_builtin_setjmp_setup): Likewise.
(setjmp): Likewise.
(builtin_setjmp_receiver): New expander.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@174564 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index d83b38a60b8..5e2b4d83dc5 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -1,7 +1,7 @@ /* Common subexpression elimination for GNU compiler. Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998 - 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 - Free Software Foundation, Inc. + 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, + 2011 Free Software Foundation, Inc. This file is part of GCC. @@ -6192,7 +6192,9 @@ cse_find_path (basic_block first_bb, struct cse_basic_block_data *data, else e = NULL; - if (e && e->dest != EXIT_BLOCK_PTR + if (e + && (e->flags & EDGE_ABNORMAL) == 0 + && e->dest != EXIT_BLOCK_PTR && single_pred_p (e->dest) /* Avoid visiting basic blocks twice. The large comment above explains why this can happen. */ |