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gcse.c (bypass_block): Use BLOCK_FOR_INSN for resolving LABEL_REFs.

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* gcse.c (bypass_block): Use BLOCK_FOR_INSN for resolving LABEL_REFs.
        (bypass_conditional_jumps): Accept computed_jump_p insns as well.

From-SVN: r62945
This commit is contained in:
Richard Henderson 2003-02-15 13:37:22 -08:00 committed by Richard Henderson
parent 99dc72775f
commit 9a71ece17f
2 changed files with 11 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-02-15 Richard Henderson <rth@redhat.com>
* gcse.c (bypass_block): Use BLOCK_FOR_INSN for resolving LABEL_REFs.
(bypass_conditional_jumps): Accept computed_jump_p insns as well.
2003-02-15 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.h (processor_type): Add PPC440.

9
gcc/gcse.c
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@ -4809,7 +4809,7 @@ bypass_block (bb, setcc, jump)
if (new == pc_rtx)
dest = FALLTHRU_EDGE (bb)->dest;
else if (GET_CODE (new) == LABEL_REF)
dest = BRANCH_EDGE (bb)->dest;
dest = BLOCK_FOR_INSN (XEXP (new, 0));
else
dest = NULL;
@ -4848,7 +4848,9 @@ bypass_block (bb, setcc, jump)
/* Find basic blocks with more than one predecessor that only contain a
single conditional jump. If the result of the comparison is known at
compile-time from any incoming edge, redirect that edge to the
appropriate target. Returns nonzero if a change was made. */
appropriate target. Returns nonzero if a change was made.
This function is now mis-named, because we also handle indirect jumps. */
static int
bypass_conditional_jumps ()
@ -4891,7 +4893,8 @@ bypass_conditional_jumps ()
}
else if (GET_CODE (insn) == JUMP_INSN)
{
if (any_condjump_p (insn) && onlyjump_p (insn))
if ((any_condjump_p (insn) || computed_jump_p (insn))
&& onlyjump_p (insn))
changed |= bypass_block (bb, setcc, insn);
break;
}