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riscv-gcc-1
Commit e6e68157 by Richard Kenner
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(sched_analyze): Record NOTE_INSN_SETJMP if no CALL_INSN as prev; 

preserve CONST_CALL_P bit.
(reemit_notes): Restore CONST_CALL_P.

From-SVN: r11342
parent b453cb0b
Showing with 10 additions and 4 deletions
gcc/sched.c
......@@ -2278,9 +2278,14 @@ sched_analyze (head, tail)
}
else if (GET_CODE (insn) == NOTE
&& (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_BEG
|| NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END))
loop_notes = gen_rtx (EXPR_LIST, REG_DEAD,
GEN_INT (NOTE_LINE_NUMBER (insn)), loop_notes);
|| NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END
|| (NOTE_LINE_NUMBER (insn) == NOTE_INSN_SETJMP
&& GET_CODE (PREV_INSN (insn)) != CALL_INSN)))
{
loop_notes = gen_rtx (EXPR_LIST, REG_DEAD,
GEN_INT (NOTE_LINE_NUMBER (insn)), loop_notes);
CONST_CALL_P (loop_notes) = CONST_CALL_P (insn);
}
if (insn == tail)
return n_insns;
......@@ -3147,7 +3152,8 @@ reemit_notes (insn, last)
&& GET_CODE (XEXP (note, 0)) == CONST_INT)
{
if (INTVAL (XEXP (note, 0)) == NOTE_INSN_SETJMP)
emit_note_after (INTVAL (XEXP (note, 0)), insn);
CONST_CALL_P (emit_note_after (INTVAL (XEXP (note, 0)), insn))
= CONST_CALL_P (note);
else
last = emit_note_before (INTVAL (XEXP (note, 0)), last);
remove_note (insn, note);
......
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