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| author | Nick Clifton <nickc@cygnus.com> | 1999-03-21 12:14:09 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 1999-03-21 12:14:09 +0000 |
| commit | 088e716060315042f749c74ad3cfd43b97e614bd (patch) | |
| tree | 2d8c103ec5d59d7f6360e078e727209d3e9c0646 /gcc/dwarf2out.c | |
| parent | 0fdb7c85cee6d9bad7a987444464f80ad0777aa4 (diff) | |
| download | gcc-088e716060315042f749c74ad3cfd43b97e614bd.zip gcc-088e716060315042f749c74ad3cfd43b97e614bd.tar.gz gcc-088e716060315042f749c74ad3cfd43b97e614bd.tar.bz2 | |
Preserve programmer specified labels, and emit debug info for them even if
they are deleted.
From-SVN: r25883
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 5ee5535..ae38b20 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -8583,7 +8583,13 @@ gen_label_die (decl, context_die) else { insn = DECL_RTL (decl); - if (GET_CODE (insn) == CODE_LABEL) + + /* Deleted labels are programmer specified labels which have been + eliminated because of various optimisations. We still emit them + here so that it is possible to put breakpoints on them. */ + if (GET_CODE (insn) == CODE_LABEL + || ((GET_CODE (insn) == NOTE + && NOTE_LINE_NUMBER (insn) == NOTE_INSN_DELETED_LABEL))) { /* When optimization is enabled (via -O) some parts of the compiler (e.g. jump.c and cse.c) may try to delete CODE_LABEL insns which |