(compare define_split): Fix bugs in last addition.
From-SVN: r7037
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@ -1,6 +1,6 @@
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;;- Machine description for DEC Alpha for GNU C compiler
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;; Machine description for DEC Alpha for GNU C compiler
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;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
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;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
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;; Contributed by Richard Kenner (kenner@nyu.edu)
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;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
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;; This file is part of GNU CC.
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;; This file is part of GNU CC.
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@ -2233,7 +2233,7 @@
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operands[4], const0_rtx);
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operands[4], const0_rtx);
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}")
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}")
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;; We can convert such things as "a > 0xffff" to "t = a & 0xffff; t != 0".
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;; We can convert such things as "a > 0xffff" to "t = a & ~ 0xffff; t != 0".
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;; This eliminates one, and sometimes two, insns when the AND can be done
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;; This eliminates one, and sometimes two, insns when the AND can be done
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;; with a ZAP.
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;; with a ZAP.
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(define_split
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(define_split
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@ -2247,13 +2247,14 @@
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|| GET_CODE (operands[1]) == LEU
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|| GET_CODE (operands[1]) == LEU
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|| ((GET_CODE (operands[1]) == GT || GET_CODE (operands[1]) == LE)
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|| ((GET_CODE (operands[1]) == GT || GET_CODE (operands[1]) == LE)
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&& extended_count (operands[2], DImode, 1) > 0))"
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&& extended_count (operands[2], DImode, 1) > 0))"
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[(set (match_dup 4) (and:DI (match_dup 2) (match_dup 3)))
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[(set (match_dup 4) (and:DI (match_dup 2) (match_dup 5)))
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(set (match_dup 0) (match_dup 5))]
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(set (match_dup 0) (match_dup 6))]
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"
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"
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{
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{
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operands[5] = gen_rtx (((GET_CODE (operands[1]) == GTU
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operands[5] = GEN_INT (~ INTVAL (operands[3]));
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operands[6] = gen_rtx (((GET_CODE (operands[1]) == GTU
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|| GET_CODE (operands[1]) == GE)
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|| GET_CODE (operands[1]) == GE)
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? NE : LE),
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? NE : EQ),
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DImode, operands[4], const0_rtx);
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DImode, operands[4], const0_rtx);
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}")
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}")
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