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authorWerner Koch <wk@gnupg.org>2007-03-13 11:39:11 +0000
committerWerner Koch <wk@gnupg.org>2007-03-13 11:39:11 +0000
commit09c11a3668efb28f1480cf72f90be2b1f44d2adb (patch)
treedcd9589e151b036eddfe8fa16abce379dc744326 /mpi/amd64
parenteaba8d58acda66f428870794115cb22c2590ec5e (diff)
downloadlibgcrypt-09c11a3668efb28f1480cf72f90be2b1f44d2adb.tar.gz
Add support for ADM64. From Werner Dittmann.
Cosmetic changes.
Diffstat (limited to 'mpi/amd64')
-rw-r--r--mpi/amd64/distfiles8
-rw-r--r--mpi/amd64/mpih-add1.S63
-rw-r--r--mpi/amd64/mpih-lshift.S77
-rw-r--r--mpi/amd64/mpih-mul1.S65
-rw-r--r--mpi/amd64/mpih-mul2.S107
-rw-r--r--mpi/amd64/mpih-mul3.S66
-rw-r--r--mpi/amd64/mpih-rshift.S80
-rw-r--r--mpi/amd64/mpih-sub1.S61
8 files changed, 527 insertions, 0 deletions
diff --git a/mpi/amd64/distfiles b/mpi/amd64/distfiles
new file mode 100644
index 00000000..8e9fcfda
--- /dev/null
+++ b/mpi/amd64/distfiles
@@ -0,0 +1,8 @@
+distfiles
+mpih-add1.S
+mpih-lshift.S
+mpih-mul1.S
+mpih-mul2.S
+mpih-mul3.S
+mpih-rshift.S
+mpih-sub1.S
diff --git a/mpi/amd64/mpih-add1.S b/mpi/amd64/mpih-add1.S
new file mode 100644
index 00000000..f0ec89cc
--- /dev/null
+++ b/mpi/amd64/mpih-add1.S
@@ -0,0 +1,63 @@
+/* AMD64 (x86_64) add_n -- Add two limb vectors of the same length > 0 and store
+ * sum in a third limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1995, 1998,
+ * 2001, 2002, 2006 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_add_n( mpi_ptr_t res_ptr, rdi
+ * mpi_ptr_t s1_ptr, rsi
+ * mpi_ptr_t s2_ptr, rdx
+ * mpi_size_t size) rcx
+ */
+
+.text
+ .globl C_SYMBOL_NAME(_gcry_mpih_add_n)
+C_SYMBOL_NAME(_gcry_mpih_add_n:)
+ leaq (%rsi,%rcx,8), %rsi
+ leaq (%rdi,%rcx,8), %rdi
+ leaq (%rdx,%rcx,8), %rdx
+ negq %rcx
+ xorl %eax, %eax /* clear cy */
+
+ ALIGN(4) /* minimal alignment for claimed speed */
+.Loop: movq (%rsi,%rcx,8), %rax
+ movq (%rdx,%rcx,8), %r10
+ adcq %r10, %rax
+ movq %rax, (%rdi,%rcx,8)
+ incq %rcx
+ jne .Loop
+
+ movq %rcx, %rax /* zero %rax */
+ adcq %rax, %rax
+ ret
+ \ No newline at end of file
diff --git a/mpi/amd64/mpih-lshift.S b/mpi/amd64/mpih-lshift.S
new file mode 100644
index 00000000..e87dd1a9
--- /dev/null
+++ b/mpi/amd64/mpih-lshift.S
@@ -0,0 +1,77 @@
+/* AMD64 (x86_64) lshift -- Left shift a limb vector and store
+ * result in a second limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1995, 1998,
+ * 2001, 2002, 2006 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_lshift( mpi_ptr_t wp, rdi
+ * mpi_ptr_t up, rsi
+ * mpi_size_t usize, rdx
+ * unsigned cnt) rcx
+ */
+
+.text
+ .globl C_SYMBOL_NAME(_gcry_mpih_lshift)
+C_SYMBOL_NAME(_gcry_mpih_lshift:)
+ movq -8(%rsi,%rdx,8), %mm7
+ movd %ecx, %mm1
+ movl $64, %eax
+ subl %ecx, %eax
+ movd %eax, %mm0
+ movq %mm7, %mm3
+ psrlq %mm0, %mm7
+ movd %mm7, %rax
+ subq $2, %rdx
+ jl .Lendo
+
+ ALIGN(4) /* minimal alignment for claimed speed */
+.Loop: movq (%rsi,%rdx,8), %mm6
+ movq %mm6, %mm2
+ psrlq %mm0, %mm6
+ psllq %mm1, %mm3
+ por %mm6, %mm3
+ movq %mm3, 8(%rdi,%rdx,8)
+ je .Lende
+ movq -8(%rsi,%rdx,8), %mm7
+ movq %mm7, %mm3
+ psrlq %mm0, %mm7
+ psllq %mm1, %mm2
+ por %mm7, %mm2
+ movq %mm2, (%rdi,%rdx,8)
+ subq $2, %rdx
+ jge .Loop
+
+.Lendo: movq %mm3, %mm2
+.Lende: psllq %mm1, %mm2
+ movq %mm2, (%rdi)
+ emms
+ ret
diff --git a/mpi/amd64/mpih-mul1.S b/mpi/amd64/mpih-mul1.S
new file mode 100644
index 00000000..54b0ab48
--- /dev/null
+++ b/mpi/amd64/mpih-mul1.S
@@ -0,0 +1,65 @@
+/* AMD64 mul_1 -- Multiply a limb vector with a limb and store
+ * the result in a second limb vector.
+ * Copyright (C) 1992, 1994, 1998,
+ * 2001, 2002, 2006 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_mul_1( mpi_ptr_t res_ptr, (rdi)
+ * mpi_ptr_t s1_ptr, (rsi)
+ * mpi_size_t s1_size, (rdx)
+ * mpi_limb_t s2_limb) (rcx)
+ */
+
+
+ TEXT
+ ALIGN(5)
+ .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+
+ GLOBL C_SYMBOL_NAME(_gcry_mpih_mul_1)
+C_SYMBOL_NAME(_gcry_mpih_mul_1:)
+
+ movq %rdx, %r11
+ leaq (%rsi,%rdx,8), %rsi
+ leaq (%rdi,%rdx,8), %rdi
+ negq %r11
+ xorl %r8d, %r8d
+
+.Loop: movq (%rsi,%r11,8), %rax
+ mulq %rcx
+ addq %r8, %rax
+ movl $0, %r8d
+ adcq %rdx, %r8
+ movq %rax, (%rdi,%r11,8)
+ incq %r11
+ jne .Loop
+
+ movq %r8, %rax
+ ret
diff --git a/mpi/amd64/mpih-mul2.S b/mpi/amd64/mpih-mul2.S
new file mode 100644
index 00000000..1180f760
--- /dev/null
+++ b/mpi/amd64/mpih-mul2.S
@@ -0,0 +1,107 @@
+/* AMD64 addmul2 -- Multiply a limb vector with a limb and add
+ * the result to a second limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1998,
+ * 2001, 2002, 2006 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_addmul_2( mpi_ptr_t res_ptr, (sp + 4)
+ * mpi_ptr_t s1_ptr, (sp + 8)
+ * mpi_size_t s1_size, (sp + 12)
+ * mpi_limb_t s2_limb) (sp + 16)
+ */
+
+ /* i80386 addmul_1 -- Multiply a limb vector with a limb and add
+ * the result to a second limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1998,
+ * 2001, 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_addmul_1( mpi_ptr_t res_ptr, (rdi)
+ * mpi_ptr_t s1_ptr, (rsi)
+ * mpi_size_t s1_size, (rdx)
+ * mpi_limb_t s2_limb) (rcx)
+ */
+ TEXT
+ GLOBL C_SYMBOL_NAME(_gcry_mpih_addmul_1)
+C_SYMBOL_NAME(_gcry_mpih_addmul_1:)
+ movq %rdx, %r11
+ leaq (%rsi,%rdx,8), %rsi
+ leaq (%rdi,%rdx,8), %rdi
+ negq %r11
+ xorl %r8d, %r8d
+ xorl %r10d, %r10d
+
+ ALIGN(3) /* minimal alignment for claimed speed */
+.Loop: movq (%rsi,%r11,8), %rax
+ mulq %rcx
+ addq (%rdi,%r11,8), %rax
+ adcq %r10, %rdx
+ addq %r8, %rax
+ movq %r10, %r8
+ movq %rax, (%rdi,%r11,8)
+ adcq %rdx, %r8
+ incq %r11
+ jne .Loop
+
+ movq %r8, %rax
+ ret
diff --git a/mpi/amd64/mpih-mul3.S b/mpi/amd64/mpih-mul3.S
new file mode 100644
index 00000000..4d458a79
--- /dev/null
+++ b/mpi/amd64/mpih-mul3.S
@@ -0,0 +1,66 @@
+/* AMD64 submul_1 -- Multiply a limb vector with a limb and add
+ * the result to a second limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1998,
+ * 2001, 2002, 2006 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_submul_1( mpi_ptr_t res_ptr, (rdi)
+ * mpi_ptr_t s1_ptr, (rsi)
+ * mpi_size_t s1_size, (rdx)
+ * mpi_limb_t s2_limb) (rcx)
+ */
+ TEXT
+ GLOBL C_SYMBOL_NAME(_gcry_mpih_submul_1)
+C_SYMBOL_NAME(_gcry_mpih_submul_1:)
+
+ movq %rdx, %r11
+ leaq (%rsi,%r11,8), %rsi
+ leaq (%rdi,%r11,8), %rdi
+ negq %r11
+ xorl %r8d, %r8d
+
+ ALIGN(3) /* minimal alignment for claimed speed */
+.Loop: movq (%rsi,%r11,8), %rax
+ movq (%rdi,%r11,8), %r10
+ mulq %rcx
+ subq %r8, %r10
+ movl $0, %r8d
+ adcl %r8d, %r8d
+ subq %rax, %r10
+ adcq %rdx, %r8
+ movq %r10, (%rdi,%r11,8)
+ incq %r11
+ jne .Loop
+
+ movq %r8, %rax
+ ret
diff --git a/mpi/amd64/mpih-rshift.S b/mpi/amd64/mpih-rshift.S
new file mode 100644
index 00000000..4cfc8f60
--- /dev/null
+++ b/mpi/amd64/mpih-rshift.S
@@ -0,0 +1,80 @@
+/* AMD64 (x86_64) rshift -- Right shift a limb vector and store
+ * result in a second limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1995, 1998,
+ * 2001, 2002, 2006 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_rshift( mpi_ptr_t wp, rdi
+ * mpi_ptr_t up, rsi
+ * mpi_size_t usize, rdx
+ * unsigned cnt) rcx
+ */
+
+.text
+ .globl C_SYMBOL_NAME(_gcry_mpih_rshift)
+C_SYMBOL_NAME(_gcry_mpih_rshift:)
+ movq (%rsi), %mm7
+ movd %ecx, %mm1
+ movl $64, %eax
+ subl %ecx, %eax
+ movd %eax, %mm0
+ movq %mm7, %mm3
+ psllq %mm0, %mm7
+ movd %mm7, %rax
+ leaq (%rsi,%rdx,8), %rsi
+ leaq (%rdi,%rdx,8), %rdi
+ negq %rdx
+ addq $2, %rdx
+ jg .Lendo
+
+ ALIGN(8) /* minimal alignment for claimed speed */
+.Loop: movq -8(%rsi,%rdx,8), %mm6
+ movq %mm6, %mm2
+ psllq %mm0, %mm6
+ psrlq %mm1, %mm3
+ por %mm6, %mm3
+ movq %mm3, -16(%rdi,%rdx,8)
+ je .Lende
+ movq (%rsi,%rdx,8), %mm7
+ movq %mm7, %mm3
+ psllq %mm0, %mm7
+ psrlq %mm1, %mm2
+ por %mm7, %mm2
+ movq %mm2, -8(%rdi,%rdx,8)
+ addq $2, %rdx
+ jle .Loop
+
+.Lendo: movq %mm3, %mm2
+.Lende: psrlq %mm1, %mm2
+ movq %mm2, -8(%rdi)
+ emms
+ ret
diff --git a/mpi/amd64/mpih-sub1.S b/mpi/amd64/mpih-sub1.S
new file mode 100644
index 00000000..b3609b02
--- /dev/null
+++ b/mpi/amd64/mpih-sub1.S
@@ -0,0 +1,61 @@
+/* AMD64 (x86_64) sub_n -- Subtract two limb vectors of the same length > 0 and store
+ * sum in a third limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1995, 1998,
+ * 2001, 2002, 2006 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
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ * Actually it's the same code with only minor changes in the
+ * way the data is stored; this is to support the abstraction
+ * of an optional secure memory allocation which may be used
+ * to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+#include "sysdep.h"
+#include "asm-syntax.h"
+
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_sub_n( mpi_ptr_t res_ptr, rdi
+ * mpi_ptr_t s1_ptr, rsi
+ * mpi_ptr_t s2_ptr, rdx
+ * mpi_size_t size) rcx
+ */
+.text
+ .globl C_SYMBOL_NAME(_gcry_mpih_sub_n)
+C_SYMBOL_NAME(_gcry_mpih_sub_n:)
+ leaq (%rsi,%rcx,8), %rsi
+ leaq (%rdi,%rcx,8), %rdi
+ leaq (%rdx,%rcx,8), %rdx
+ negq %rcx
+ xorl %eax, %eax /* clear cy */
+
+ ALIGN(4) /* minimal alignment for claimed speed */
+.Loop: movq (%rsi,%rcx,8), %rax
+ movq (%rdx,%rcx,8), %r10
+ sbbq %r10, %rax
+ movq %rax, (%rdi,%rcx,8)
+ incq %rcx
+ jne .Loop
+
+ movq %rcx, %rax /* zero %rax */
+ adcq %rax, %rax
+ ret