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(jump_optimize, can_reach_end determination): A barrier can

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follow the return insn.

From-SVN: r9564
This commit is contained in:
Doug Evans 1995-05-02 20:53:50 +00:00
parent 122977b9df
commit 6037459976
1 changed files with 4 additions and 0 deletions
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4
gcc/jump.c
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@ -265,6 +265,8 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
then one of them follows the note. */
|| (GET_CODE (insn) == JUMP_INSN
&& GET_CODE (PATTERN (insn)) == RETURN)
/* A barrier can follow the return insn. */
|| GET_CODE (insn) == BARRIER
/* Other kinds of notes can follow also. */
|| (GET_CODE (insn) == NOTE
&& NOTE_LINE_NUMBER (insn) != NOTE_INSN_FUNCTION_END)))
@ -2093,6 +2095,8 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
then one of them follows the note. */
|| (GET_CODE (insn) == JUMP_INSN
&& GET_CODE (PATTERN (insn)) == RETURN)
/* A barrier can follow the return insn. */
|| GET_CODE (insn) == BARRIER
/* Other kinds of notes can follow also. */
|| (GET_CODE (insn) == NOTE
&& NOTE_LINE_NUMBER (insn) != NOTE_INSN_FUNCTION_END)))