combine.c (try_combine): Dump information about the insns we're combining.
* combine.c (try_combine): Dump information about the insns we're combining. From-SVN: r148828
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@ -1,3 +1,8 @@
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2009-06-22 Adam Nemet <anemet@caviumnetworks.com>
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* combine.c (try_combine): Dump information about the insns we're
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combining.
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2009-06-22 Adam Nemet <anemet@caviumnetworks.com>
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* combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
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@ -2256,6 +2256,16 @@ try_combine (rtx i3, rtx i2, rtx i1, int *new_direct_jump_p)
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/* Reset the hard register usage information. */
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CLEAR_HARD_REG_SET (newpat_used_regs);
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if (dump_file && (dump_flags & TDF_DETAILS))
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{
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if (i1)
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fprintf (dump_file, "\nTrying %d, %d -> %d:\n",
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INSN_UID (i1), INSN_UID (i2), INSN_UID (i3));
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else
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fprintf (dump_file, "\nTrying %d -> %d:\n",
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INSN_UID (i2), INSN_UID (i3));
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}
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/* If I1 and I2 both feed I3, they can be in any order. To simplify the
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code below, set I1 to be the earlier of the two insns. */
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if (i1 && DF_INSN_LUID (i1) > DF_INSN_LUID (i2))
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