[src/trunk]: src/doc Hack "gcc-4.5 arm without -fno-tree-vrp generate broken ...

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

details:   https://anonhg.NetBSD.org/src/rev/e8625c961db9
branches:  trunk
changeset: 971647:e8625c961db9
user:      rin <rin%NetBSD.org@localhost>
date:      Thu Apr 30 12:44:41 2020 +0000

description:
Hack "gcc-4.5 arm without -fno-tree-vrp generate broken code" was removed in
src/lib/libc/softfloat/Makefile.inc rev 1.21:

http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/softfloat/Makefile.inc#rev1.21

Now, all tests mentioned in the entry are passed for softfloat arm.

diffstat:

 doc/HACKS |  21 +--------------------
 1 files changed, 1 insertions(+), 20 deletions(-)

diffs (35 lines):

diff -r 97a84534bd21 -r e8625c961db9 doc/HACKS
--- a/doc/HACKS Thu Apr 30 12:40:11 2020 +0000
+++ b/doc/HACKS Thu Apr 30 12:44:41 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.204 2020/04/30 12:35:01 rin Exp $
+# $NetBSD: HACKS,v 1.205 2020/04/30 12:44:41 rin Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -604,25 +604,6 @@
                http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48863#c4
        kcah
 
-       hack    gcc-4.5 arm without -fno-tree-vrp generate broken code
-       cdate   Wed Nov 14 13:02:02 JST 2012
-       who     msaitoh
-       file    lib/libc/softfloat/Makefile.inc : 1.11 (hack removed)
-       pr      46953
-       regress src/tests/lib/libm/t_cbrt
-       regress src/tests/lib/libm/t_ceil
-       regress src/tests/lib/libm/t_exp
-       regress src/tests/lib/libm/t_log
-       regress src/tests/lib/libm/t_scalbn
-       regress src/tests/lib/libm/t_sinh
-       regress src/tests/lib/libm/t_sqrt
-       descr   Gcc has a bug in tree optimization. For adddf3,
-               -INF + -INF returns 0 without -fno-tree-vrp.
-               Debugging with -fdump-tree-all shows that
-               softfloat.c.021t.cleanup_cfg is ok but softfloat.c.023t.ssa
-               is broken.
-       kcah
-
 port   sh3
 
        hack    gcc4-sh3-bz2