svn commit: trunk/uClibc/libc/sysdeps/linux/hppa
vapier at uclibc.org
vapier at uclibc.org
Tue Nov 15 00:35:33 UTC 2005
Author: vapier
Date: 2005-11-14 16:35:30 -0800 (Mon, 14 Nov 2005)
New Revision: 12241
Log:
import some math funcs from glibc
Added:
trunk/uClibc/libc/sysdeps/linux/hppa/add_n.S
trunk/uClibc/libc/sysdeps/linux/hppa/lshift.S
trunk/uClibc/libc/sysdeps/linux/hppa/rshift.S
trunk/uClibc/libc/sysdeps/linux/hppa/sub_n.S
trunk/uClibc/libc/sysdeps/linux/hppa/udiv_qrnnd.S
Modified:
trunk/uClibc/libc/sysdeps/linux/hppa/Makefile.arch
Changeset:
Modified: trunk/uClibc/libc/sysdeps/linux/hppa/Makefile.arch
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/hppa/Makefile.arch 2005-11-15 00:19:16 UTC (rev 12240)
+++ trunk/uClibc/libc/sysdeps/linux/hppa/Makefile.arch 2005-11-15 00:35:30 UTC (rev 12241)
@@ -7,6 +7,7 @@
CSRC := __syscall_error.c brk.c mmap.c syscall.c
-SSRC := __longjmp.S bsd-_setjmp.S bsd-setjmp.S clone.S setjmp.S
+SSRC := __longjmp.S bsd-_setjmp.S bsd-setjmp.S clone.S setjmp.S \
+ add_n.S lshift.S rshift.S sub_n.S udiv_qrnnd.S
include $(top_srcdir)libc/sysdeps/linux/Makefile.arch
Added: trunk/uClibc/libc/sysdeps/linux/hppa/add_n.S
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/hppa/add_n.S 2005-11-15 00:19:16 UTC (rev 12240)
+++ trunk/uClibc/libc/sysdeps/linux/hppa/add_n.S 2005-11-15 00:35:30 UTC (rev 12241)
@@ -0,0 +1,58 @@
+;! HP-PA __mpn_add_n -- Add two limb vectors of the same length > 0 and store
+;! sum in a third limb vector.
+
+;! Copyright (C) 1992, 1994 Free Software Foundation, Inc.
+
+;! This file is part of the GNU MP Library.
+
+;! The GNU MP Library is free software; you can redistribute it and/or modify
+;! it under the terms of the GNU Lesser General Public License as published by
+;! the Free Software Foundation; either version 2.1 of the License, or (at your
+;! option) any later version.
+
+;! The GNU MP Library is distributed in the hope that it will be useful, but
+;! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+;! License for more details.
+
+;! You should have received a copy of the GNU Lesser General Public License
+;! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+;! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+;! MA 02111-1307, USA.
+
+
+;! INPUT PARAMETERS
+;! res_ptr gr26
+;! s1_ptr gr25
+;! s2_ptr gr24
+;! size gr23
+
+;! One might want to unroll this as for other processors, but it turns
+;! out that the data cache contention after a store makes such
+;! unrolling useless. We can't come under 5 cycles/limb anyway.
+
+ .text
+ .export __mpn_add_n
+__mpn_add_n:
+ .proc
+ .callinfo frame=0,no_calls
+ .entry
+
+ ldws,ma 4(%r25),%r21
+ ldws,ma 4(%r24),%r20
+
+ addib,= -1,%r23,L$end ;! check for (SIZE == 1)
+ add %r21,%r20,%r28 ;! add first limbs ignoring cy
+
+L$loop: ldws,ma 4(%r25),%r21
+ ldws,ma 4(%r24),%r20
+ stws,ma %r28,4(%r26)
+ addib,<> -1,%r23,L$loop
+ addc %r21,%r20,%r28
+
+L$end: stws %r28,0(%r26)
+ bv 0(%r2)
+ addc %r0,%r0,%r28
+
+ .exit
+ .procend
Added: trunk/uClibc/libc/sysdeps/linux/hppa/lshift.S
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/hppa/lshift.S 2005-11-15 00:19:16 UTC (rev 12240)
+++ trunk/uClibc/libc/sysdeps/linux/hppa/lshift.S 2005-11-15 00:35:30 UTC (rev 12241)
@@ -0,0 +1,66 @@
+;! HP-PA __mpn_lshift --
+
+;! Copyright (C) 1992, 1994 Free Software Foundation, Inc.
+
+;! This file is part of the GNU MP Library.
+
+;! The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+;! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+;! MA 02111-1307, USA.
+
+
+;! INPUT PARAMETERS
+;! res_ptr gr26
+;! s_ptr gr25
+;! size gr24
+;! cnt gr23
+
+ .text
+ .export __mpn_lshift
+__mpn_lshift:
+ .proc
+ .callinfo frame=64,no_calls
+ .entry
+
+ sh2add %r24,%r25,%r25
+ sh2add %r24,%r26,%r26
+ ldws,mb -4(%r25),%r22
+ subi 32,%r23,%r1
+ mtsar %r1
+ addib,= -1,%r24,L$0004
+ vshd %r0,%r22,%r28 ;! compute carry out limb
+ ldws,mb -4(%r25),%r29
+ addib,= -1,%r24,L$0002
+ vshd %r22,%r29,%r20
+
+L$loop: ldws,mb -4(%r25),%r22
+ stws,mb %r20,-4(%r26)
+ addib,= -1,%r24,L$0003
+ vshd %r29,%r22,%r20
+ ldws,mb -4(%r25),%r29
+ stws,mb %r20,-4(%r26)
+ addib,<> -1,%r24,L$loop
+ vshd %r22,%r29,%r20
+
+L$0002: stws,mb %r20,-4(%r26)
+ vshd %r29,%r0,%r20
+ bv 0(%r2)
+ stw %r20,-4(%r26)
+L$0003: stws,mb %r20,-4(%r26)
+L$0004: vshd %r22,%r0,%r20
+ bv 0(%r2)
+ stw %r20,-4(%r26)
+
+ .exit
+ .procend
Added: trunk/uClibc/libc/sysdeps/linux/hppa/rshift.S
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/hppa/rshift.S 2005-11-15 00:19:16 UTC (rev 12240)
+++ trunk/uClibc/libc/sysdeps/linux/hppa/rshift.S 2005-11-15 00:35:30 UTC (rev 12241)
@@ -0,0 +1,63 @@
+;! HP-PA __mpn_rshift --
+
+;! Copyright (C) 1992, 1994 Free Software Foundation, Inc.
+
+;! This file is part of the GNU MP Library.
+
+;! The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to
+;! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+;! MA 02111-1307, USA.
+
+
+;! INPUT PARAMETERS
+;! res_ptr gr26
+;! s_ptr gr25
+;! size gr24
+;! cnt gr23
+
+ .text
+ .export __mpn_rshift
+__mpn_rshift:
+ .proc
+ .callinfo frame=64,no_calls
+ .entry
+
+ ldws,ma 4(%r25),%r22
+ mtsar %r23
+ addib,= -1,%r24,L$0004
+ vshd %r22,%r0,%r28 ;! compute carry out limb
+ ldws,ma 4(%r25),%r29
+ addib,= -1,%r24,L$0002
+ vshd %r29,%r22,%r20
+
+L$loop: ldws,ma 4(%r25),%r22
+ stws,ma %r20,4(%r26)
+ addib,= -1,%r24,L$0003
+ vshd %r22,%r29,%r20
+ ldws,ma 4(%r25),%r29
+ stws,ma %r20,4(%r26)
+ addib,<> -1,%r24,L$loop
+ vshd %r29,%r22,%r20
+
+L$0002: stws,ma %r20,4(%r26)
+ vshd %r0,%r29,%r20
+ bv 0(%r2)
+ stw %r20,0(%r26)
+L$0003: stws,ma %r20,4(%r26)
+L$0004: vshd %r0,%r22,%r20
+ bv 0(%r2)
+ stw %r20,0(%r26)
+
+ .exit
+ .procend
Added: trunk/uClibc/libc/sysdeps/linux/hppa/sub_n.S
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/hppa/sub_n.S 2005-11-15 00:19:16 UTC (rev 12240)
+++ trunk/uClibc/libc/sysdeps/linux/hppa/sub_n.S 2005-11-15 00:35:30 UTC (rev 12241)
@@ -0,0 +1,59 @@
+;! HP-PA __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and
+;! store difference in a third limb vector.
+
+;! Copyright (C) 1992, 1994 Free Software Foundation, Inc.
+
+;! This file is part of the GNU MP Library.
+
+;! The GNU MP Library is free software; you can redistribute it and/or modify
+;! it under the terms of the GNU Lesser General Public License as published by
+;! the Free Software Foundation; either version 2.1 of the License, or (at your
+;! option) any later version.
+
+;! The GNU MP Library is distributed in the hope that it will be useful, but
+;! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+;! License for more details.
+
+;! You should have received a copy of the GNU Lesser General Public License
+;! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+;! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+;! MA 02111-1307, USA.
+
+
+;! INPUT PARAMETERS
+;! res_ptr gr26
+;! s1_ptr gr25
+;! s2_ptr gr24
+;! size gr23
+
+;! One might want to unroll this as for other processors, but it turns
+;! out that the data cache contention after a store makes such
+;! unrolling useless. We can't come under 5 cycles/limb anyway.
+
+ .text
+ .export __mpn_sub_n
+__mpn_sub_n:
+ .proc
+ .callinfo frame=0,no_calls
+ .entry
+
+ ldws,ma 4(%r25),%r21
+ ldws,ma 4(%r24),%r20
+
+ addib,= -1,%r23,L$end ;! check for (SIZE == 1)
+ sub %r21,%r20,%r28 ;! subtract first limbs ignoring cy
+
+L$loop: ldws,ma 4(%r25),%r21
+ ldws,ma 4(%r24),%r20
+ stws,ma %r28,4(%r26)
+ addib,<> -1,%r23,L$loop
+ subb %r21,%r20,%r28
+
+L$end: stws %r28,0(%r26)
+ addc %r0,%r0,%r28
+ bv 0(%r2)
+ subi 1,%r28,%r28
+
+ .exit
+ .procend
Added: trunk/uClibc/libc/sysdeps/linux/hppa/udiv_qrnnd.S
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/hppa/udiv_qrnnd.S 2005-11-15 00:19:16 UTC (rev 12240)
+++ trunk/uClibc/libc/sysdeps/linux/hppa/udiv_qrnnd.S 2005-11-15 00:35:30 UTC (rev 12241)
@@ -0,0 +1,286 @@
+;! HP-PA __udiv_qrnnd division support, used from longlong.h.
+;! This version runs fast on pre-PA7000 CPUs.
+
+;! Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+
+;! This file is part of the GNU MP Library.
+
+;! The GNU MP Library is free software; you can redistribute it and/or modify
+;! it under the terms of the GNU Lesser General Public License as published by
+;! the Free Software Foundation; either version 2.1 of the License, or (at your
+;! option) any later version.
+
+;! The GNU MP Library is distributed in the hope that it will be useful, but
+;! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+;! License for more details.
+
+;! You should have received a copy of the GNU Lesser General Public License
+;! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+;! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+;! MA 02111-1307, USA.
+
+
+;! INPUT PARAMETERS
+;! rem_ptr gr26
+;! n1 gr25
+;! n0 gr24
+;! d gr23
+
+;! The code size is a bit excessive. We could merge the last two ds;addc
+;! sequences by simply moving the "bb,< Odd" instruction down. The only
+;! trouble is the FFFFFFFF code that would need some hacking.
+
+ .text
+ .export __udiv_qrnnd
+__udiv_qrnnd:
+ .proc
+ .callinfo frame=0,no_calls
+ .entry
+
+ comb,< %r23,%r0,L$largedivisor
+ sub %r0,%r23,%r1 ;! clear cy as side-effect
+ ds %r0,%r1,%r0
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r23,%r25
+ addc %r24,%r24,%r28
+ ds %r25,%r23,%r25
+ comclr,>= %r25,%r0,%r0
+ addl %r25,%r23,%r25
+ stws %r25,0(%r26)
+ bv 0(%r2)
+ addc %r28,%r28,%r28
+
+L$largedivisor:
+ extru %r24,31,1,%r20 ;! r20 = n0 & 1
+ bb,< %r23,31,L$odd
+ extru %r23,30,31,%r22 ;! r22 = d >> 1
+ shd %r25,%r24,1,%r24 ;! r24 = new n0
+ extru %r25,30,31,%r25 ;! r25 = new n1
+ sub %r0,%r22,%r21
+ ds %r0,%r21,%r0
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ comclr,>= %r25,%r0,%r0
+ addl %r25,%r22,%r25
+ sh1addl %r25,%r20,%r25
+ stws %r25,0(%r26)
+ bv 0(%r2)
+ addc %r24,%r24,%r28
+
+L$odd: addib,sv,n 1,%r22,L$FF.. ;! r22 = (d / 2 + 1)
+ shd %r25,%r24,1,%r24 ;! r24 = new n0
+ extru %r25,30,31,%r25 ;! r25 = new n1
+ sub %r0,%r22,%r21
+ ds %r0,%r21,%r0
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r24
+ ds %r25,%r22,%r25
+ addc %r24,%r24,%r28
+ comclr,>= %r25,%r0,%r0
+ addl %r25,%r22,%r25
+ sh1addl %r25,%r20,%r25
+;! We have computed (n1,,n0) / (d + 1), q' = r28, r' = r25
+ add,nuv %r28,%r25,%r25
+ addl %r25,%r1,%r25
+ addc %r0,%r28,%r28
+ sub,<< %r25,%r23,%r0
+ addl %r25,%r1,%r25
+ stws %r25,0(%r26)
+ bv 0(%r2)
+ addc %r0,%r28,%r28
+
+;! This is just a special case of the code above.
+;! We come here when d == 0xFFFFFFFF
+L$FF..: add,uv %r25,%r24,%r24
+ sub,<< %r24,%r23,%r0
+ ldo 1(%r24),%r24
+ stws %r24,0(%r26)
+ bv 0(%r2)
+ addc %r0,%r25,%r28
+
+ .exit
+ .procend
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