Remove all assembly optimizations for htonl and htons

The builtin bswap is already used if optimziation is enabled for
GCC 4.8+, so glibc symbols will be used in a very limited scenarios.

Also, gcc generated code is quite similar to all but ia64 and i386
htons.

Checked on alpha, i686, and ia64.

diff --git a/sysdeps/alpha/htonl.S b/sysdeps/alpha/htonl.S
deleted file mode 100644 (file)
index e205295..0000000
--- a/sysdeps/alpha/htonl.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Copyright (C) 1996-2022 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-
-ENTRY(htonl)
-#ifdef PROF
-       ldgp    gp, 0(pv)
-       .set noat
-       lda     AT, _mcount
-       jsr     AT, (AT), _mcount
-       .set at
-       .prologue 1
-#else
-       .prologue 0
-#endif
-
-       inslh   a0, 7, t0       # t0 = 0000000000AABBCC
-       inswl   a0, 3, t1       # t1 = 000000CCDD000000
-       or      t1, t0, t1      # t1 = 000000CCDDAABBCC
-       srl     t1, 16, t2      # t2 = 0000000000CCDDAA
-       zapnot  t1, 0x0A, t0    # t0 = 00000000DD00BB00
-       zapnot  t2, 0x05, t3    # t3 = 0000000000CC00AA
-       addl    t0, t3, v0      # v0 = ssssssssDDCCBBAA
-       ret
-
-       END(htonl)
-
-weak_alias (htonl, ntohl)

diff --git a/sysdeps/alpha/htons.S b/sysdeps/alpha/htons.S
deleted file mode 100644 (file)
index e44824e..0000000
--- a/sysdeps/alpha/htons.S
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Copyright (C) 1996-2022 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-
-ENTRY(htons)
-#ifdef PROF
-       ldgp    gp, 0(pv)
-       .set noat
-       lda     AT, _mcount
-       jsr     AT, (AT), _mcount
-       .set at
-       .prologue 1
-#else
-       .prologue 0
-#endif
-
-       extwh   a0, 7, t1       # t1 = bb00
-       extbl   a0, 1, v0       # v0 = 00aa
-       bis     v0, t1, v0      # v0 = bbaa
-       ret
-
-       END(htons)
-
-weak_alias (htons, ntohs)

diff --git a/sysdeps/i386/htons.S b/sysdeps/i386/htons.S
deleted file mode 100644 (file)
index c53de9d..0000000
--- a/sysdeps/i386/htons.S
+++ /dev/null
@@ -1,35 +0,0 @@
-/* Change byte order in word.  For Intel 80x86, x >= 3.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include "asm-syntax.h"
-
-/*
-   INPUT PARAMETERS:
-   word                (sp + 4)
-*/
-
-       .text
-ENTRY (htons)
-       movl    4(%esp), %eax
-       andl    $0xffff, %eax
-       rorw    $8, %ax
-       ret
-END (htons)
-
-weak_alias (htons, ntohs)

diff --git a/sysdeps/ia64/htonl.S b/sysdeps/ia64/htonl.S
deleted file mode 100644 (file)
index 1098029..0000000
--- a/sysdeps/ia64/htonl.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Change byte order in 32-bit value.  ia64 version.
-   Copyright (C) 2000-2022 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-
-#include <sysdep.h>
-
-ENTRY(htonl)
-       shl     ret0 = r32, 32
-       ;;
-       mux1    ret0 = ret0, @rev
-       ret
-END(htonl)
-
-weak_alias (htonl, ntohl)

diff --git a/sysdeps/ia64/htons.S b/sysdeps/ia64/htons.S
deleted file mode 100644 (file)
index 5d53b33..0000000
--- a/sysdeps/ia64/htons.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Change byte order in 16-bit value.  ia64 version.
-   Copyright (C) 2000-2022 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-
-#include <sysdep.h>
-
-ENTRY(htons)
-       shl     ret0 = r32, 48
-       ;;
-       mux1    ret0 = ret0, @rev
-       ret
-END(htons)
-
-weak_alias (htons, ntohs)