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| author | Alexandre Oliva <aoliva@redhat.com> | 2012-04-13 15:56:07 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2012-04-13 15:56:07 +0000 |
| commit | 6ae1d471b16228d47bbcfbe3b2b90c323a0af1ba (patch) | |
| tree | d3949134aebcc92ca9e21117f3a25469df69cb96 | |
| parent | 6a184afa5830e6caccbcc3ef9e4f39d52a095901 (diff) | |
| download | gcc-6ae1d471b16228d47bbcfbe3b2b90c323a0af1ba.zip gcc-6ae1d471b16228d47bbcfbe3b2b90c323a0af1ba.tar.gz gcc-6ae1d471b16228d47bbcfbe3b2b90c323a0af1ba.tar.bz2 | |
df-problems.c (df_note_bb_compute): Do not take note of debug uses for whose REGs we won't emit DEAD or UNUSED notes.
* df-problems.c (df_note_bb_compute): Do not take note of
debug uses for whose REGs we won't emit DEAD or UNUSED notes.
From-SVN: r186421
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/df-problems.c | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1559b9a..c099a2c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2012-04-13 Alexandre Oliva <aoliva@redhat.com> + * df-problems.c (df_note_bb_compute): Do not take note of + debug uses for whose REGs we won't emit DEAD or UNUSED notes. + +2012-04-13 Alexandre Oliva <aoliva@redhat.com> + PR debug/51570 * var-tracking.c (expand_depth): New type. (onepart_aux, expand_loc_callback_data): Change depth type to it. diff --git a/gcc/df-problems.c b/gcc/df-problems.c index c9fc91b..6912e11 100644 --- a/gcc/df-problems.c +++ b/gcc/df-problems.c @@ -3453,7 +3453,12 @@ df_note_bb_compute (unsigned int bb_index, { if (debug_insn > 0) { - dead_debug_add (&debug, use, uregno); + /* We won't add REG_UNUSED or REG_DEAD notes for + these, so we don't have to mess with them in + debug insns either. */ + if (!bitmap_bit_p (artificial_uses, uregno) + && !df_ignore_stack_reg (uregno)) + dead_debug_add (&debug, use, uregno); continue; } break; |