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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /comm/third_party/libgcrypt/mpi/powerpc32
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'comm/third_party/libgcrypt/mpi/powerpc32')
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/distfiles9
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/mpih-add1.S136
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/mpih-lshift.S198
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul1.S120
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul2.S127
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul3.S130
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/mpih-rshift.S131
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/mpih-sub1.S133
-rw-r--r--comm/third_party/libgcrypt/mpi/powerpc32/syntax.h75
9 files changed, 1059 insertions, 0 deletions
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/distfiles b/comm/third_party/libgcrypt/mpi/powerpc32/distfiles
new file mode 100644
index 0000000000..af10d795b0
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/distfiles
@@ -0,0 +1,9 @@
+mpih-add1.S
+mpih-sub1.S
+mpih-mul1.S
+mpih-mul2.S
+mpih-mul3.S
+mpih-lshift.S
+mpih-rshift.S
+syntax.h
+
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/mpih-add1.S b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-add1.S
new file mode 100644
index 0000000000..1661f5e679
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-add1.S
@@ -0,0 +1,136 @@
+/* PowerPC-32 add_n -- Add two limb vectors of equal, non-zero length.
+ *
+ * Copyright (C) 1992, 1994, 1995, 1998, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_add_n( mpi_ptr_t res_ptr, (r3)
+ * mpi_ptr_t s1_ptr, (r4)
+ * mpi_ptr_t s2_ptr, (r5)
+ * mpi_size_t size) (r6)
+ */
+
+ .toc
+ .extern _gcry_mpih_add_n[DS]
+ .extern ._gcry_mpih_add_n
+.csect [PR]
+ .align 2
+ .globl _gcry_mpih_add_n
+ .globl ._gcry_mpih_add_n
+ .csect _gcry_mpih_add_n[DS]
+_gcry_mpih_add_n:
+ .long ._gcry_mpih_add_n, TOC[tc0], 0
+ .csect [PR]
+._gcry_mpih_add_n:
+ mtctr 6 # copy size into CTR
+ lwz 8,0(4) # load least significant s1 limb
+ lwz 0,0(5) # load least significant s2 limb
+ addi 3,3,-4 # offset res_ptr, it is updated before used
+ addc 7,0,8 # add least significant limbs, set cy
+ bdz Lend # If done, skip loop
+Loop: lwzu 8,4(4) # load s1 limb and update s1_ptr
+ lwzu 0,4(5) # load s2 limb and update s2_ptr
+ stwu 7,4(3) # store previous limb in load latency slot
+ adde 7,0,8 # add new limbs with cy, set cy
+ bdnz Loop # decrement CTR and loop back
+Lend: stw 7,4(3) # store ultimate result limb
+ li 3,0 # load cy into ...
+ addze 3,3 # ... return value register
+ blr
+
+#else
+/* Add two limb vectors of equal, non-zero length for PowerPC.
+ Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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. */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/* mp_limb_t mpn_add_n (mp_ptr res_ptr, mp_srcptr s1_ptr, mp_srcptr s2_ptr,
+ mp_size_t size)
+ Calculate s1+s2 and put result in res_ptr; return carry, 0 or 1. */
+
+/* Note on optimisation: This code is optimal for the 601. Almost every other
+ possible 2-unrolled inner loop will not be. Also, watch out for the
+ alignment... */
+
+EALIGN(_gcry_mpih_add_n,3,0)
+/* Set up for loop below. */
+ mtcrf 0x01,%r6
+ srwi. %r7,%r6,1
+ li %r10,0
+ mtctr %r7
+ bt 31,2f
+
+/* Clear the carry. */
+ addic %r0,%r0,0
+/* Adjust pointers for loop. */
+ addi %r3,%r3,-4
+ addi %r4,%r4,-4
+ addi %r5,%r5,-4
+ b 0f
+
+2: lwz %r7,0(%r5)
+ lwz %r6,0(%r4)
+ addc %r6,%r6,%r7
+ stw %r6,0(%r3)
+ beq 1f
+
+/* The loop. */
+
+/* Align start of loop to an odd word boundary to guarantee that the
+ last two words can be fetched in one access (for 601). */
+0: lwz %r9,4(%r4)
+ lwz %r8,4(%r5)
+ lwzu %r6,8(%r4)
+ lwzu %r7,8(%r5)
+ adde %r8,%r9,%r8
+ stw %r8,4(%r3)
+ adde %r6,%r6,%r7
+ stwu %r6,8(%r3)
+ bdnz 0b
+/* Return the carry. */
+1: addze %r3,%r10
+ blr
+END(_gcry_mpih_add_n)
+#endif
+
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/mpih-lshift.S b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-lshift.S
new file mode 100644
index 0000000000..6231095dc2
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-lshift.S
@@ -0,0 +1,198 @@
+/* PowerPC-32 lshift
+ *
+ * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_lshift( mpi_ptr_t wp, (r3)
+ * mpi_ptr_t up, (r4)
+ * mpi_size_t usize, (r5)
+ * unsigned cnt) (r6)
+ */
+
+ .toc
+.csect .text[PR]
+ .align 2
+ .globl _gcry_mpih_lshift
+ .globl ._gcry_mpih_lshift
+ .csect _gcry_mpih_lshift[DS]
+_gcry_mpih_lshift:
+ .long ._gcry_mpih_lshift, TOC[tc0], 0
+ .csect .text[PR]
+._gcry_mpih_lshift:
+ mtctr 5 # copy size into CTR
+ slwi 0,5,2
+ add 7,3,0 # make r7 point at end of res
+ add 4,4,0 # make r4 point at end of s1
+ subfic 8,6,32
+ lwzu 11,-4(4) # load first s1 limb
+ srw 3,11,8 # compute function return value
+ bdz Lend1
+
+Loop: lwzu 10,-4(4)
+ slw 9,11,6
+ srw 12,10,8
+ or 9,9,12
+ stwu 9,-4(7)
+ bdz Lend2
+ lwzu 11,-4(4)
+ slw 9,10,6
+ srw 12,11,8
+ or 9,9,12
+ stwu 9,-4(7)
+ bdnz Loop
+
+Lend1: slw 0,11,6
+ stw 0,-4(7)
+ blr
+
+Lend2: slw 0,10,6
+ stw 0,-4(7)
+ blr
+
+#else
+/* Shift a limb left, low level routine.
+ Copyright (C) 1996, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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. */
+
+/* mp_limb_t mpn_lshift (mp_ptr wp, mp_srcptr up, mp_size_t usize,
+ unsigned int cnt) */
+
+EALIGN(_gcry_mpih_lshift,3,0)
+ mtctr %r5 # copy size into CTR
+ cmplwi %cr0,%r5,16 # is size < 16
+ slwi %r0,%r5,2
+ add %r7,%r3,%r0 # make r7 point at end of res
+ add %r4,%r4,%r0 # make r4 point at end of s1
+ lwzu %r11,-4(%r4) # load first s1 limb
+ subfic %r8,%r6,32
+ srw %r3,%r11,%r8 # compute function return value
+ bge %cr0,L(big) # branch if size >= 16
+
+ bdz L(end1)
+
+0: lwzu %r10,-4(%r4)
+ slw %r9,%r11,%r6
+ srw %r12,%r10,%r8
+ or %r9,%r9,%r12
+ stwu %r9,-4(%r7)
+ bdz L(end2)
+ lwzu %r11,-4(%r4)
+ slw %r9,%r10,%r6
+ srw %r12,%r11,%r8
+ or %r9,%r9,%r12
+ stwu %r9,-4(%r7)
+ bdnz 0b
+
+L(end1):slw %r0,%r11,%r6
+ stw %r0,-4(%r7)
+ blr
+
+
+/* Guaranteed not to succeed. */
+L(boom): tweq %r0,%r0
+
+/* We imitate a case statement, by using (yuk!) fixed-length code chunks,
+ of size 4*12 bytes. We have to do this (or something) to make this PIC. */
+L(big): mflr %r9
+ bltl- %cr0,L(boom) # Never taken, only used to set LR.
+ slwi %r10,%r6,4
+ mflr %r12
+ add %r10,%r12,%r10
+ slwi %r8,%r6,5
+ add %r10,%r8,%r10
+ mtctr %r10
+ addi %r5,%r5,-1
+ mtlr %r9
+ bctr
+
+L(end2):slw %r0,%r10,%r6
+ stw %r0,-4(%r7)
+ blr
+
+#define DO_LSHIFT(n) \
+ mtctr %r5; \
+0: lwzu %r10,-4(%r4); \
+ slwi %r9,%r11,n; \
+ inslwi %r9,%r10,n,32-n; \
+ stwu %r9,-4(%r7); \
+ bdz- L(end2); \
+ lwzu %r11,-4(%r4); \
+ slwi %r9,%r10,n; \
+ inslwi %r9,%r11,n,32-n; \
+ stwu %r9,-4(%r7); \
+ bdnz 0b; \
+ b L(end1)
+
+ DO_LSHIFT(1)
+ DO_LSHIFT(2)
+ DO_LSHIFT(3)
+ DO_LSHIFT(4)
+ DO_LSHIFT(5)
+ DO_LSHIFT(6)
+ DO_LSHIFT(7)
+ DO_LSHIFT(8)
+ DO_LSHIFT(9)
+ DO_LSHIFT(10)
+ DO_LSHIFT(11)
+ DO_LSHIFT(12)
+ DO_LSHIFT(13)
+ DO_LSHIFT(14)
+ DO_LSHIFT(15)
+ DO_LSHIFT(16)
+ DO_LSHIFT(17)
+ DO_LSHIFT(18)
+ DO_LSHIFT(19)
+ DO_LSHIFT(20)
+ DO_LSHIFT(21)
+ DO_LSHIFT(22)
+ DO_LSHIFT(23)
+ DO_LSHIFT(24)
+ DO_LSHIFT(25)
+ DO_LSHIFT(26)
+ DO_LSHIFT(27)
+ DO_LSHIFT(28)
+ DO_LSHIFT(29)
+ DO_LSHIFT(30)
+ DO_LSHIFT(31)
+
+END(_gcry_mpih_lshift)
+#endif
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul1.S b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul1.S
new file mode 100644
index 0000000000..bd418f7e3a
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul1.S
@@ -0,0 +1,120 @@
+/* PowerPC-32 mul_1 -- Multiply a limb vector with a limb and store
+ * the result in a second limb vector.
+ *
+ * Copyright (C) 1992, 1993, 1994, 1995,
+ * 1998, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_mul_1( mpi_ptr_t res_ptr, (r3)
+ * mpi_ptr_t s1_ptr, (r4)
+ * mpi_size_t s1_size, (r5)
+ * mpi_limb_t s2_limb) (r6)
+ *
+ * This is a fairly straightforward implementation. The timing of the PC601
+ * is hard to understand, so I will wait to optimize this until I have some
+ * hardware to play with.
+ *
+ * The code trivially generalizes to 64 bit limbs for the PC620.
+ */
+
+ .toc
+ .csect ._gcry_mpih_mul_1[PR]
+ .align 2
+ .globl _gcry_mpih_mul_1
+ .globl ._gcry_mpih_mul_1
+ .csect _gcry_mpih_mul_1[DS]
+_gcry_mpih_mul_1:
+ .long ._gcry_mpih_mul_1[PR], TOC[tc0], 0
+ .csect ._gcry_mpih_mul_1[PR]
+._gcry_mpih_mul_1:
+ mtctr 5
+
+ lwz 0,0(4)
+ mullw 7,0,6
+ mulhwu 10,0,6
+ addi 3,3,-4 # adjust res_ptr
+ addic 5,5,0 # clear cy with dummy insn
+ bdz Lend
+
+Loop: lwzu 0,4(4)
+ stwu 7,4(3)
+ mullw 8,0,6
+ adde 7,8,10
+ mulhwu 10,0,6
+ bdnz Loop
+
+Lend: stw 7,4(3)
+ addze 3,10
+ blr
+
+#else
+/* Multiply a limb vector by a limb, for PowerPC.
+ Copyright (C) 1993, 1994, 1995, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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. */
+
+
+/* mp_limb_t mpn_mul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+ mp_size_t s1_size, mp_limb_t s2_limb)
+ Calculate s1*s2 and put result in res_ptr; return carry. */
+
+ENTRY(_gcry_mpih_mul_1)
+ mtctr %r5
+
+ lwz %r0,0(%r4)
+ mullw %r7,%r0,%r6
+ mulhwu %r10,%r0,%r6
+ addi %r3,%r3,-4 # adjust res_ptr
+ addic %r5,%r5,0 # clear cy with dummy insn
+ bdz 1f
+
+0: lwzu %r0,4(%r4)
+ stwu %r7,4(%r3)
+ mullw %r8,%r0,%r6
+ adde %r7,%r8,%r10
+ mulhwu %r10,%r0,%r6
+ bdnz 0b
+
+1: stw %r7,4(%r3)
+ addze %r3,%r10
+ blr
+END(_gcry_mpih_mul_1)
+#endif
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul2.S b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul2.S
new file mode 100644
index 0000000000..1d97b81a4d
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul2.S
@@ -0,0 +1,127 @@
+/* PowerPC-32 addmul_1 -- Multiply a limb vector with a limb and add
+ * the result to a second limb vector.
+ *
+ * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_addmul_1( mpi_ptr_t res_ptr, (r3)
+ * mpi_ptr_t s1_ptr, (r4)
+ * mpi_size_t s1_size, (r5)
+ * mpi_limb_t s2_limb) (r6)
+ *
+ * This is a fairly straightforward implementation. The timing of the PC601
+ * is hard to understand, so I will wait to optimize this until I have some
+ * hardware to play with.
+ *
+ * The code trivially generalizes to 64 bit limbs for the PC620.
+ */
+
+
+ .toc
+ .csect ._gcry_mpih_addmul_1[PR]
+ .align 2
+ .globl _gcry_mpih_addmul_1
+ .globl ._gcry_mpih_addmul_1
+ .csect _gcry_mpih_addmul_1[DS]
+_gcry_mpih_addmul_1:
+ .long ._gcry_mpih_addmul_1[PR], TOC[tc0], 0
+ .csect ._gcry_mpih_addmul_1[PR]
+._gcry_mpih_addmul_1:
+ mtctr 5
+
+ lwz 0,0(4)
+ mullw 7,0,6
+ mulhwu 10,0,6
+ lwz 9,0(3)
+ addc 8,7,9
+ addi 3,3,-4
+ bdz Lend
+
+Loop: lwzu 0,4(4)
+ stwu 8,4(3)
+ mullw 8,0,6
+ adde 7,8,10
+ mulhwu 10,0,6
+ lwz 9,4(3)
+ addze 10,10
+ addc 8,7,9
+ bdnz Loop
+
+Lend: stw 8,4(3)
+ addze 3,10
+ blr
+
+#else
+/* Multiply a limb vector by a single limb, for PowerPC.
+ Copyright (C) 1993, 1994, 1995, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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. */
+
+
+/* mp_limb_t mpn_addmul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+ mp_size_t s1_size, mp_limb_t s2_limb)
+ Calculate res+s1*s2 and put result back in res; return carry. */
+ENTRY(_gcry_mpih_addmul_1)
+ mtctr %r5
+
+ lwz %r0,0(%r4)
+ mullw %r7,%r0,%r6
+ mulhwu %r10,%r0,%r6
+ lwz %r9,0(%r3)
+ addc %r8,%r7,%r9
+ addi %r3,%r3,-4 /* adjust res_ptr */
+ bdz 1f
+
+0: lwzu %r0,4(%r4)
+ stwu %r8,4(%r3)
+ mullw %r8,%r0,%r6
+ adde %r7,%r8,%r10
+ mulhwu %r10,%r0,%r6
+ lwz %r9,4(%r3)
+ addze %r10,%r10
+ addc %r8,%r7,%r9
+ bdnz 0b
+
+1: stw %r8,4(%r3)
+ addze %r3,%r10
+ blr
+END(_gcry_mpih_addmul_1)
+#endif
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul3.S b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul3.S
new file mode 100644
index 0000000000..c410dbb02e
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-mul3.S
@@ -0,0 +1,130 @@
+/* PowerPC-32 submul_1 -- Multiply a limb vector with a limb and subtract
+ * the result from a second limb vector.
+ *
+ * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_submul_1( mpi_ptr_t res_ptr, (r3)
+ * mpi_ptr_t s1_ptr, (r4)
+ * mpi_size_t s1_size, (r5)
+ * mpi_limb_t s2_limb) (r6)
+ *
+ * This is a fairly straightforward implementation. The timing of the PC601
+ * is hard to understand, so I will wait to optimize this until I have some
+ * hardware to play with.
+ *
+ * The code trivially generalizes to 64 bit limbs for the PC620.
+ */
+
+ .toc
+ .csect ._gcry_mpih_submul_1[PR]
+ .align 2
+ .globl _gcry_mpih_submul_1
+ .globl ._gcry_mpih_submul_1
+ .csect _gcry_mpih_submul_1[DS]
+_gcry_mpih_submul_1:
+ .long ._gcry_mpih_submul_1[PR], TOC[tc0], 0
+ .csect ._gcry_mpih_submul_1[PR]
+._gcry_mpih_submul_1:
+ mtctr 5
+
+ lwz 0,0(4)
+ mullw 7,0,6
+ mulhwu 10,0,6
+ lwz 9,0(3)
+ subfc 8,7,9
+ addc 7,7,8 # invert cy (r7 is junk)
+ addi 3,3,-4
+ bdz Lend
+
+Loop: lwzu 0,4(4)
+ stwu 8,4(3)
+ mullw 8,0,6
+ adde 7,8,10
+ mulhwu 10,0,6
+ lwz 9,4(3)
+ addze 10,10
+ subfc 8,7,9
+ addc 7,7,8 # invert cy (r7 is junk)
+ bdnz Loop
+
+Lend: stw 8,4(3)
+ addze 3,10
+ blr
+
+#else
+/* Multiply a limb vector by a single limb, for PowerPC.
+ Copyright (C) 1993, 1994, 1995, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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. */
+
+/* mp_limb_t mpn_submul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+ mp_size_t s1_size, mp_limb_t s2_limb)
+ Calculate res-s1*s2 and put result back in res; return carry. */
+
+ENTRY(_gcry_mpih_submul_1)
+ mtctr %r5
+
+ lwz %r0,0(%r4)
+ mullw %r7,%r0,%r6
+ mulhwu %r10,%r0,%r6
+ lwz %r9,0(%r3)
+ subf %r8,%r7,%r9
+ addc %r7,%r7,%r8 # invert cy (r7 is junk)
+ addi %r3,%r3,-4 # adjust res_ptr
+ bdz 1f
+
+0: lwzu %r0,4(%r4)
+ stwu %r8,4(%r3)
+ mullw %r8,%r0,%r6
+ adde %r7,%r8,%r10
+ mulhwu %r10,%r0,%r6
+ lwz %r9,4(%r3)
+ addze %r10,%r10
+ subf %r8,%r7,%r9
+ addc %r7,%r7,%r8 # invert cy (r7 is junk)
+ bdnz 0b
+
+1: stw %r8,4(%r3)
+ addze %r3,%r10
+ blr
+END(_gcry_mpih_submul_1)
+#endif
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/mpih-rshift.S b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-rshift.S
new file mode 100644
index 0000000000..98349edb5b
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-rshift.S
@@ -0,0 +1,131 @@
+/* PowerPC-32 rshift
+ *
+ * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_rshift( mpi_ptr_t wp, (r3)
+ * mpi_ptr_t up, (r4)
+ * mpi_size_t usize, (r5)
+ * unsigned cnt) (r6)
+ */
+
+ .toc
+.csect .text[PR]
+ .align 2
+ .globl _gcry_mpih_rshift
+ .globl ._gcry_mpih_rshift
+ .csect _gcry_mpih_rshift[DS]
+_gcry_mpih_rshift:
+ .long ._gcry_mpih_rshift, TOC[tc0], 0
+ .csect .text[PR]
+._gcry_mpih_rshift:
+ mtctr 5 # copy size into CTR
+ addi 7,3,-4 # move adjusted res_ptr to free return reg
+ subfic 8,6,32
+ lwz 11,0(4) # load first s1 limb
+ slw 3,11,8 # compute function return value
+ bdz Lend1
+
+Loop: lwzu 10,4(4)
+ srw 9,11,6
+ slw 12,10,8
+ or 9,9,12
+ stwu 9,4(7)
+ bdz Lend2
+ lwzu 11,4(4)
+ srw 9,10,6
+ slw 12,11,8
+ or 9,9,12
+ stwu 9,4(7)
+ bdnz Loop
+
+Lend1: srw 0,11,6
+ stw 0,4(7)
+ blr
+
+Lend2: srw 0,10,6
+ stw 0,4(7)
+ blr
+
+#else
+/* Shift a limb right, low level routine.
+ Copyright (C) 1995, 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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 r3
+ s1_ptr r4
+ size r5
+ cnt r6 */
+
+ENTRY(_gcry_mpih_rshift)
+ mtctr 5 # copy size into CTR
+ addi 7,3,-4 # move adjusted res_ptr to free return reg
+ subfic 8,6,32
+ lwz 11,0(4) # load first s1 limb
+ slw 3,11,8 # compute function return value
+ bdz 1f
+
+0: lwzu 10,4(4)
+ srw 9,11,6
+ slw 12,10,8
+ or 9,9,12
+ stwu 9,4(7)
+ bdz 2f
+ lwzu 11,4(4)
+ srw 9,10,6
+ slw 12,11,8
+ or 9,9,12
+ stwu 9,4(7)
+ bdnz 0b
+
+1: srw 0,11,6
+ stw 0,4(7)
+ blr
+
+2: srw 0,10,6
+ stw 0,4(7)
+ blr
+END(_gcry_mpih_rshift)
+#endif
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/mpih-sub1.S b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-sub1.S
new file mode 100644
index 0000000000..d612ea890a
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/mpih-sub1.S
@@ -0,0 +1,133 @@
+/* PowerPC-32 sub_n -- Subtract two limb vectors of the same length > 0
+ * and store difference in a third limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1995, 1998,
+ * 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+#ifndef USE_PPC_PATCHES
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_sub_n( mpi_ptr_t res_ptr, (r3)
+ * mpi_ptr_t s1_ptr, (r4)
+ * mpi_ptr_t s2_ptr, (r5)
+ * mpi_size_t size) (r6)
+ */
+
+ .toc
+ .extern _gcry_mpih_sub_n[DS]
+ .extern ._gcry_mpih_sub_n
+.csect [PR]
+ .align 2
+ .globl _gcry_mpih_sub_n
+ .globl ._gcry_mpih_sub_n
+ .csect _gcry_mpih_sub_n[DS]
+_gcry_mpih_sub_n:
+ .long ._gcry_mpih_sub_n, TOC[tc0], 0
+ .csect [PR]
+._gcry_mpih_sub_n:
+ mtctr 6 # copy size into CTR
+ lwz 8,0(4) # load least significant s1 limb
+ lwz 0,0(5) # load least significant s2 limb
+ addi 3,3,-4 # offset res_ptr, it is updated before used
+ subfc 7,0,8 # add least significant limbs, set cy
+ bdz Lend # If done, skip loop
+Loop: lwzu 8,4(4) # load s1 limb and update s1_ptr
+ lwzu 0,4(5) # load s2 limb and update s2_ptr
+ stwu 7,4(3) # store previous limb in load latency slot
+ subfe 7,0,8 # add new limbs with cy, set cy
+ bdnz Loop # decrement CTR and loop back
+Lend: stw 7,4(3) # store ultimate result limb
+ subfe 3,0,0 # load !cy into ...
+ subfic 3,3,0 # ... return value register
+ blr
+
+#else
+/* Subtract two limb vectors of equal, non-zero length for PowerPC.
+ Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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. */
+
+/* mp_limb_t mpn_sub_n (mp_ptr res_ptr, mp_srcptr s1_ptr, mp_srcptr s2_ptr,
+ mp_size_t size)
+ Calculate s1-s2 and put result in res_ptr; return borrow, 0 or 1. */
+
+/* Note on optimisation: This code is optimal for the 601. Almost every other
+ possible 2-unrolled inner loop will not be. Also, watch out for the
+ alignment... */
+
+EALIGN(_gcry_mpih_sub_n,3,1)
+/* Set up for loop below. */
+ mtcrf 0x01,%r6
+ srwi. %r7,%r6,1
+ mtctr %r7
+ bt 31,2f
+
+/* Set the carry (clear the borrow). */
+ subfc %r0,%r0,%r0
+/* Adjust pointers for loop. */
+ addi %r3,%r3,-4
+ addi %r4,%r4,-4
+ addi %r5,%r5,-4
+ b 0f
+
+2: lwz %r7,0(%r5)
+ lwz %r6,0(%r4)
+ subfc %r6,%r7,%r6
+ stw %r6,0(%r3)
+ beq 1f
+
+/* Align start of loop to an odd word boundary to guarantee that the
+ last two words can be fetched in one access (for 601). This turns
+ out to be important. */
+0:
+ lwz %r9,4(%r4)
+ lwz %r8,4(%r5)
+ lwzu %r6,8(%r4)
+ lwzu %r7,8(%r5)
+ subfe %r8,%r8,%r9
+ stw %r8,4(%r3)
+ subfe %r6,%r7,%r6
+ stwu %r6,8(%r3)
+ bdnz 0b
+/* Return the borrow. */
+1: subfe %r3,%r3,%r3
+ neg %r3,%r3
+ blr
+END(_gcry_mpih_sub_n)
+#endif
diff --git a/comm/third_party/libgcrypt/mpi/powerpc32/syntax.h b/comm/third_party/libgcrypt/mpi/powerpc32/syntax.h
new file mode 100644
index 0000000000..5d4af9f0ae
--- /dev/null
+++ b/comm/third_party/libgcrypt/mpi/powerpc32/syntax.h
@@ -0,0 +1,75 @@
+/* gmp2-2.0.2-ppc/mpn/powerpc-linux/syntax.h Tue Oct 6 19:27:01 1998 */
+/* From glibc's sysdeps/unix/sysv/linux/powerpc/sysdep.h */
+
+/* Copyright (C) 1992, 1997, 1998 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C 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. */
+
+
+#define USE_PPC_PATCHES 1
+
+/* This seems to always be the case on PPC. */
+#define ALIGNARG(log2) log2
+/* For ELF we need the `.type' directive to make shared libs work right. */
+#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
+#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
+#define ASM_GLOBAL_DIRECTIVE .globl
+
+#ifdef __STDC__
+#define C_LABEL(name) C_SYMBOL_NAME(name)##:
+#else
+#define C_LABEL(name) C_SYMBOL_NAME(name)/**/:
+#endif
+
+#ifdef __STDC__
+#define L(body) .L##body
+#else
+#define L(body) .L/**/body
+#endif
+
+/* No profiling of gmp's assembly for now... */
+#define CALL_MCOUNT /* no profiling */
+
+#define ENTRY(name) \
+ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
+ .align ALIGNARG(2); \
+ C_LABEL(name) \
+ CALL_MCOUNT
+
+#define EALIGN_W_0 /* No words to insert. */
+#define EALIGN_W_1 nop
+#define EALIGN_W_2 nop;nop
+#define EALIGN_W_3 nop;nop;nop
+#define EALIGN_W_4 EALIGN_W_3;nop
+#define EALIGN_W_5 EALIGN_W_4;nop
+#define EALIGN_W_6 EALIGN_W_5;nop
+#define EALIGN_W_7 EALIGN_W_6;nop
+
+/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes
+ past a 2^align boundary. */
+#define EALIGN(name, alignt, words) \
+ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
+ .align ALIGNARG(alignt); \
+ EALIGN_W_##words; \
+ C_LABEL(name)
+
+#undef END
+#define END(name) \
+ ASM_SIZE_DIRECTIVE(name)
+