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authorStan Cox <coxs@gnu.org>1994-02-04 16:29:24 +0000
committerStan Cox <coxs@gnu.org>1994-02-04 16:29:24 +0000
commit2d257716a91a58e3c957060f281a73eae4528adf (patch)
tree59255cb0412082a0896a821eee6685136f78c02c
parent8698cce38002fd0eaf1ac60c2f6e8f3906635e84 (diff)
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Split movdf so it can go into a branch delay slot.
From-SVN: r6480
-rw-r--r--gcc/config/m88k/m88k.md23
1 files changed, 18 insertions, 5 deletions
diff --git a/gcc/config/m88k/m88k.md b/gcc/config/m88k/m88k.md
index 0851054..44d95a0 100644
--- a/gcc/config/m88k/m88k.md
+++ b/gcc/config/m88k/m88k.md
@@ -2,7 +2,7 @@
;; Copyright (C) 1988, 1989, 1990, 1991, 1993 Free Software Foundation, Inc.
;; Contributed by Michael Tiemann (tiemann@mcc.com)
;; Additional changes by Michael Meissner (meissner@osf.org)
-;; Version 2 port by Tom Wood (Tom_Wood@NeXT.com)
+;; Version 2 port by Tom Wood (twood@pets.sps.mot.com)
;; This file is part of GNU CC.
@@ -23,15 +23,16 @@
;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
-;; SCCS rev field. This is a NOP, just to get the SCCS id into the
+;; RCS rev field. This is a NOP, just to get the RCS id into the
;; program image.
-(define_expand "m88k_sccs_id"
+(define_expand "m88k_rcs_id"
[(match_operand:SI 0 "" "")]
""
- "{ static char sccs_id[] = \"@(#)m88k.md 2.3.3.2 12/16/92 08:26:12\";
+ "{ static char rcs_id[] = \"$What: <@(#) m88k.md,v 1.5> $\";
FAIL; }")
-;; Attribute specifications
+;; Attribute describing the processor. This attribute must match exactly
+;; with the processor_type enumeration in m88k.h.
; Target CPU.
(define_attr "cpu" "m88100,m88110,m88000"
@@ -1970,6 +1971,18 @@
DONE;
}")
+(define_split
+ [(set (match_operand:DF 0 "register_operand" "=r")
+ (match_operand:DF 1 "register_operand" "r"))]
+ "reload_completed"
+ [(set (match_dup 2) (match_dup 3))
+ (set (match_dup 4) (match_dup 5))]
+ "
+{ operands[2] = operand_subword (operands[0], 0, 0, DFmode);
+ operands[3] = operand_subword (operands[1], 0, 0, DFmode);
+ operands[4] = operand_subword (operands[0], 1, 0, DFmode);
+ operands[5] = operand_subword (operands[1], 1, 0, DFmode); }")
+
;; @@ This pattern is incomplete and doesn't appear necessary.
;;
;; This pattern forces (set (reg:DF ...) (const_double ...))