* combine.c (try_combine): Handle a SEQUENCE of one insn.
From-SVN: r46177
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2001-10-10 Richard Henderson <rth@redhat.com>
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* combine.c (try_combine): Handle a SEQUENCE of one insn.
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2001-10-10 Richard Henderson <rth@redhat.com>
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* langhooks.c: Include langhooks.h.
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* Makefile.in (langhooks.o): Depend on it.
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Wed Oct 10 23:49:06 EDT 2001 John Wehle (john@feith.com)
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* rtlanal.c (noop_move_p): Insns with a REG_RETVAL note
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@ -2132,6 +2132,12 @@ try_combine (i3, i2, i1, new_direct_jump_p)
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}
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}
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/* If we've split a jump pattern, we'll wind up with a sequence even
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with one instruction. We can handle that below, so extract it. */
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if (m_split && GET_CODE (m_split) == SEQUENCE
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&& XVECLEN (m_split, 0) == 1)
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m_split = PATTERN (XVECEXP (m_split, 0, 0));
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if (m_split && GET_CODE (m_split) != SEQUENCE)
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{
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insn_code_number = recog_for_combine (&m_split, i3, &new_i3_notes);
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