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(compare define_split): Fix bugs in last addition. 

From-SVN: r7037
This commit is contained in:
Richard Kenner 1994-04-11 18:20:53 -04:00
parent a6e8021ecf
commit 1c2bdc6003
1 changed files with 9 additions and 8 deletions
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17
gcc/config/alpha/alpha.md
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@ -1,6 +1,6 @@
;;- Machine description for DEC Alpha for GNU C compiler
;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
;; Contributed by Richard Kenner (kenner@nyu.edu)
;; Machine description for DEC Alpha for GNU C compiler
;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
;; This file is part of GNU CC.
@ -2233,7 +2233,7 @@
operands[4], const0_rtx);
}")
;; We can convert such things as "a > 0xffff" to "t = a & 0xffff; t != 0".
;; We can convert such things as "a > 0xffff" to "t = a & ~ 0xffff; t != 0".
;; This eliminates one, and sometimes two, insns when the AND can be done
;; with a ZAP.
(define_split
@ -2247,13 +2247,14 @@
|| GET_CODE (operands[1]) == LEU
|| ((GET_CODE (operands[1]) == GT || GET_CODE (operands[1]) == LE)
&& extended_count (operands[2], DImode, 1) > 0))"
[(set (match_dup 4) (and:DI (match_dup 2) (match_dup 3)))
(set (match_dup 0) (match_dup 5))]
[(set (match_dup 4) (and:DI (match_dup 2) (match_dup 5)))
(set (match_dup 0) (match_dup 6))]
"
{
operands[5] = gen_rtx (((GET_CODE (operands[1]) == GTU
operands[5] = GEN_INT (~ INTVAL (operands[3]));
operands[6] = gen_rtx (((GET_CODE (operands[1]) == GTU
|| GET_CODE (operands[1]) == GE)
? NE : LE),
? NE : EQ),
DImode, operands[4], const0_rtx);
}")