[src/trunk]: src/lib/libm/arch/m68k Remove a meaningless conditional branch.

[isaki <isaki%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3d769db63d2a
branches:  trunk
changeset: 331394:3d769db63d2a
user:      isaki <isaki%NetBSD.org@localhost>
date:      Sun Aug 10 13:29:10 2014 +0000

description:
Remove a meaningless conditional branch.
PR/49083 (1)

diffstat:

 lib/libm/arch/m68k/s_ceil.S  |  12 +++---------
 lib/libm/arch/m68k/s_floor.S |  11 +++--------
 2 files changed, 6 insertions(+), 17 deletions(-)

diffs (64 lines):

diff -r 095ff0bf1657 -r 3d769db63d2a lib/libm/arch/m68k/s_ceil.S
--- a/lib/libm/arch/m68k/s_ceil.S       Sun Aug 10 12:01:57 2014 +0000
+++ b/lib/libm/arch/m68k/s_ceil.S       Sun Aug 10 13:29:10 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: s_ceil.S,v 1.7 2003/08/07 16:44:40 agc Exp $   */
+/*     $NetBSD: s_ceil.S,v 1.8 2014/08/10 13:29:10 isaki Exp $ */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -38,20 +38,14 @@
 ;_sccsid:
 ;.asciz        "from: @(#)floor.s      5.1 (Berkeley) 5/17/90"
 
-RCSID("$NetBSD: s_ceil.S,v 1.7 2003/08/07 16:44:40 agc Exp $")
+RCSID("$NetBSD: s_ceil.S,v 1.8 2014/08/10 13:29:10 isaki Exp $")
 
 | ceil(x)
-| -floor(-x), for all real x
 ENTRY(ceil)
        fmovel  %fpcr,%d0       | save old FPCR
        fmoved  %sp@(4),%fp0    | get argument
        fbun    Lret            | if NaN, return NaN
-       fbolt   Lrtz            | <0, round to zero
-       fmovel  #0x30,%fpcr     | >=0, round to inf
-       jra     Ldoit
-Lrtz:
-       fmovel  #0x10,%fpcr
-Ldoit:
+       fmovel  #0x30,%fpcr     | round to +inf
        fintd   %sp@(4),%fp0    | truncate
        fmovel  %d0,%fpcr       | restore old FPCR
 Lret:
diff -r 095ff0bf1657 -r 3d769db63d2a lib/libm/arch/m68k/s_floor.S
--- a/lib/libm/arch/m68k/s_floor.S      Sun Aug 10 12:01:57 2014 +0000
+++ b/lib/libm/arch/m68k/s_floor.S      Sun Aug 10 13:29:10 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: s_floor.S,v 1.7 2003/08/07 16:44:41 agc Exp $  */
+/*     $NetBSD: s_floor.S,v 1.8 2014/08/10 13:29:10 isaki Exp $        */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -38,7 +38,7 @@
 ;_sccsid:
 ;.asciz        "from: @(#)floor.s      5.1 (Berkeley) 5/17/90"
 
-RCSID("$NetBSD: s_floor.S,v 1.7 2003/08/07 16:44:41 agc Exp $")
+RCSID("$NetBSD: s_floor.S,v 1.8 2014/08/10 13:29:10 isaki Exp $")
 
 | floor(x)
 | the largest integer no larger than x
@@ -46,12 +46,7 @@
        fmovel  %fpcr,%d0       | save old FPCR
        fmoved  %sp@(4),%fp0    | get argument
        fbun    Lret            | if NaN, return NaN
-       fboge   Lrtz            | >=0, round to zero
-       fmovel  #0x20,%fpcr     | <0, round to -inf
-       jra     Ldoit
-Lrtz:
-       fmovel  #0x10,%fpcr
-Ldoit:
+       fmovel  #0x20,%fpcr     | round to -inf
        fintd   %sp@(4),%fp0    | truncate
        fmovel  %d0,%fpcr       | restore old FPCR
 Lret: