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(schedule_block): Do not emit line number notes before other notes. 

From-SVN: r5020
This commit is contained in:
Jim Wilson 1993-07-28 10:40:30 -07:00
parent 2143266070
commit 07f64b95a4
1 changed files with 5 additions and 2 deletions
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7
gcc/sched.c
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@ -3738,8 +3738,11 @@ schedule_block (b, file)
for (insn = head; insn != next_tail; insn = NEXT_INSN (insn))
if (GET_CODE (insn) == NOTE && NOTE_LINE_NUMBER (insn) > 0)
line = insn;
else if (! (GET_CODE (insn) == NOTE
&& NOTE_LINE_NUMBER (insn) == NOTE_INSN_DELETED)
/* This used to emit line number notes before every non-deleted note.
However, this confuses a debugger, because line notes not separated
by real instructions all end up at the same address. I can find no
use for line number notes before other notes, so none are emitted. */
else if (GET_CODE (insn) != NOTE
&& (note = LINE_NOTE (insn)) != 0
&& note != line
&& (line == 0