Split movdf so it can go into a branch delay slot.
From-SVN: r6480
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8698cce380
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@ -2,7 +2,7 @@
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;; Copyright (C) 1988, 1989, 1990, 1991, 1993 Free Software Foundation, Inc.
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;; Copyright (C) 1988, 1989, 1990, 1991, 1993 Free Software Foundation, Inc.
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;; Contributed by Michael Tiemann (tiemann@mcc.com)
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;; Contributed by Michael Tiemann (tiemann@mcc.com)
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;; Additional changes by Michael Meissner (meissner@osf.org)
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;; Additional changes by Michael Meissner (meissner@osf.org)
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;; Version 2 port by Tom Wood (Tom_Wood@NeXT.com)
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;; Version 2 port by Tom Wood (twood@pets.sps.mot.com)
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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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@ -23,15 +23,16 @@
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;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
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;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
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;; SCCS rev field. This is a NOP, just to get the SCCS id into the
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;; RCS rev field. This is a NOP, just to get the RCS id into the
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;; program image.
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;; program image.
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(define_expand "m88k_sccs_id"
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(define_expand "m88k_rcs_id"
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[(match_operand:SI 0 "" "")]
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[(match_operand:SI 0 "" "")]
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""
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""
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"{ static char sccs_id[] = \"@(#)m88k.md 2.3.3.2 12/16/92 08:26:12\";
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"{ static char rcs_id[] = \"$What: <@(#) m88k.md,v 1.5> $\";
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FAIL; }")
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FAIL; }")
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;; Attribute specifications
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;; Attribute describing the processor. This attribute must match exactly
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;; with the processor_type enumeration in m88k.h.
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; Target CPU.
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; Target CPU.
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(define_attr "cpu" "m88100,m88110,m88000"
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(define_attr "cpu" "m88100,m88110,m88000"
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@ -1970,6 +1971,18 @@
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DONE;
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DONE;
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}")
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}")
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(define_split
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[(set (match_operand:DF 0 "register_operand" "=r")
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(match_operand:DF 1 "register_operand" "r"))]
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"reload_completed"
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[(set (match_dup 2) (match_dup 3))
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(set (match_dup 4) (match_dup 5))]
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"
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{ operands[2] = operand_subword (operands[0], 0, 0, DFmode);
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operands[3] = operand_subword (operands[1], 0, 0, DFmode);
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operands[4] = operand_subword (operands[0], 1, 0, DFmode);
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operands[5] = operand_subword (operands[1], 1, 0, DFmode); }")
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;; @@ This pattern is incomplete and doesn't appear necessary.
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;; @@ This pattern is incomplete and doesn't appear necessary.
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;;
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;;
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;; This pattern forces (set (reg:DF ...) (const_double ...))
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;; This pattern forces (set (reg:DF ...) (const_double ...))
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