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| author | Bernd Schmidt <bernds@codesourcery.com> | 2011-04-01 17:40:27 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2011-04-01 17:40:27 +0000 |
| commit | c5dd277d0170878d41370afa32b10a56da8b4af6 (patch) | |
| tree | 470417dd6bd6addf2579deae3622a95381f34f10 /gcc/ifcvt.c | |
| parent | 722279e41f7d76fc4b3ea8cca0d542c3d5779db2 (diff) | |
| download | gcc-c5dd277d0170878d41370afa32b10a56da8b4af6.zip gcc-c5dd277d0170878d41370afa32b10a56da8b4af6.tar.gz gcc-c5dd277d0170878d41370afa32b10a56da8b4af6.tar.bz2 | |
ifcvt.c (cond_exec_process_insns): Disallow converting a block that contains the prologue.
* ifcvt.c (cond_exec_process_insns): Disallow converting a block
that contains the prologue.
* gcc.c-torture/compile/20110401-1.c: New test.
From-SVN: r171840
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index eee5cc7..3e26799 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -1,5 +1,6 @@ /* If-conversion support. - Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010, + 2011 Free Software Foundation, Inc. This file is part of GCC. @@ -304,6 +305,10 @@ cond_exec_process_insns (ce_if_block_t *ce_info ATTRIBUTE_UNUSED, for (insn = start; ; insn = NEXT_INSN (insn)) { + /* dwarf2out can't cope with conditional prologues. */ + if (NOTE_P (insn) && NOTE_KIND (insn) == NOTE_INSN_PROLOGUE_END) + return FALSE; + if (NOTE_P (insn) || DEBUG_INSN_P (insn)) goto insn_done; |