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(find_basic_blocks): Also look for REG_LABEL notes on first

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instruction of each basic block.

From-SVN: r6500
This commit is contained in:
Jim Wilson 1994-02-08 15:52:46 -08:00
parent 99c7b2f62a
commit 42fa3cfbd1
1 changed files with 4 additions and 1 deletions
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3
gcc/flow.c
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@ -468,7 +468,10 @@ find_basic_blocks (f, nonlocal_label_list)
{ {
basic_block_end[i] = insn; basic_block_end[i] = insn;
basic_block_loop_depth[i] = depth; basic_block_loop_depth[i] = depth;
}
if (GET_RTX_CLASS (code) == 'i')
{
/* Make a list of all labels referred to other than by jumps. */ /* Make a list of all labels referred to other than by jumps. */
for (note = REG_NOTES (insn); note; note = XEXP (note, 1)) for (note = REG_NOTES (insn); note; note = XEXP (note, 1))
if (REG_NOTE_KIND (note) == REG_LABEL) if (REG_NOTE_KIND (note) == REG_LABEL)