From: Ulrich Drepper Date: Tue, 14 Apr 2009 22:26:05 +0000 (+0000) Subject: Optimizations from GMP. X-Git-Tag: upstream/2.30~13700 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=893a5fd440f6ae2643bfb661e4d37f4195b7fabb;p=external%2Fglibc.git Optimizations from GMP. * sysdeps/x86_64/add_n.S: New file. * sysdeps/x86_64/addmul_1.S: New file. * sysdeps/x86_64/lshift.S: New file. * sysdeps/x86_64/mul_1.S: New file. * sysdeps/x86_64/rshift.S: New file. * sysdeps/x86_64/sub_n.S: New file. * sysdeps/x86_64/submul_1.S: New file. --- diff --git a/ChangeLog b/ChangeLog index 977136a..5050a62 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2009-04-14 Ulrich Drepper + + Optimizations from GMP. + * sysdeps/x86_64/add_n.S: New file. + * sysdeps/x86_64/addmul_1.S: New file. + * sysdeps/x86_64/lshift.S: New file. + * sysdeps/x86_64/mul_1.S: New file. + * sysdeps/x86_64/rshift.S: New file. + * sysdeps/x86_64/sub_n.S: New file. + * sysdeps/x86_64/submul_1.S: New file. + 2009-04-14 Jakub Jelinek * sysdeps/powerpc/powerpc32/elf/start.S: Ensure .data is non-empty. diff --git a/sysdeps/x86_64/addmul_1.S b/sysdeps/x86_64/addmul_1.S new file mode 100644 index 0000000..bdb5226 --- /dev/null +++ b/sysdeps/x86_64/addmul_1.S @@ -0,0 +1,46 @@ +/* AMD64 __mpn_addmul_1 -- Multiply a limb vector with a limb and add + the result to a second limb vector. + Copyright (C) 2004 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. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + .text +ENTRY (__mpn_addmul_1) + movq %rdx, %r11 + leaq (%rsi,%rdx,8), %rsi + leaq (%rdi,%rdx,8), %rdi + negq %r11 + xorl %r8d, %r8d + xorl %r10d, %r10d + .p2align 2 +L(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 L(loop) + movq %r8, %rax + ret +END (__mpn_addmul_1) diff --git a/sysdeps/x86_64/lshift.S b/sysdeps/x86_64/lshift.S new file mode 100644 index 0000000..5ac66f0 --- /dev/null +++ b/sysdeps/x86_64/lshift.S @@ -0,0 +1,60 @@ +/* AMD64 __mpn_lshift -- + Copyright 2004, 2006 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. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + + .text +ENTRY (__mpn_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 L(endo) + .p2align 2 +L(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 L(ende) + 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 L(loop) +L(endo): + movq %mm3, %mm2 +L(ende): + psllq %mm1, %mm2 + movq %mm2, (%rdi) + emms + ret +END (__mpn_lshift) diff --git a/sysdeps/x86_64/mul_1.S b/sysdeps/x86_64/mul_1.S new file mode 100644 index 0000000..978916b --- /dev/null +++ b/sysdeps/x86_64/mul_1.S @@ -0,0 +1,42 @@ +/* AMD64 __mpn_mul_1 -- Multiply a limb vector with a limb and store + the result in a second limb vector. + Copyright (C) 2004 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. */ + +#include +#include "asm-syntax.h" + + .text +ENTRY (__mpn_mul_1) + movq %rdx, %r11 + leaq (%rsi,%rdx,8), %rsi + leaq (%rdi,%rdx,8), %rdi + negq %r11 + xorl %r8d, %r8d +L(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 L(loop) + movq %r8, %rax + ret +END (__mpn_mul_1) diff --git a/sysdeps/x86_64/rshift.S b/sysdeps/x86_64/rshift.S new file mode 100644 index 0000000..ee0c8aa --- /dev/null +++ b/sysdeps/x86_64/rshift.S @@ -0,0 +1,62 @@ +/* AMD64 __mpn_rshift -- + Copyright (C) 2004, 2006 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. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + .text +ENTRY (__mpn_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 L(endo) + .p2align 2 +L(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 L(ende) + 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 L(loop) +L(endo): + movq %mm3, %mm2 +L(ende): + psrlq %mm1, %mm2 + movq %mm2, -8(%rdi) + emms + ret +END (__mpn_rshift) diff --git a/sysdeps/x86_64/sub_n.S b/sysdeps/x86_64/sub_n.S new file mode 100644 index 0000000..48e1a2e --- /dev/null +++ b/sysdeps/x86_64/sub_n.S @@ -0,0 +1,42 @@ +/* AMD64 __mpn_sub_n -- Add two limb vectors of the same length > 0 and store + sum in a third limb vector. + Copyright (C) 2004 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. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + .text +ENTRY (__mpn_sub_n) + leaq (%rsi,%rcx,8), %rsi + leaq (%rdi,%rcx,8), %rdi + leaq (%rdx,%rcx,8), %rdx + negq %rcx + xorl %eax, %eax # clear cy + .p2align 2 +L(loop): + movq (%rsi,%rcx,8), %rax + movq (%rdx,%rcx,8), %r10 + sbbq %r10, %rax + movq %rax, (%rdi,%rcx,8) + incq %rcx + jne L(loop) + movq %rcx, %rax # zero %rax + adcq %rax, %rax + ret +END (__mpn_sub_n) diff --git a/sysdeps/x86_64/submul_1.S b/sysdeps/x86_64/submul_1.S new file mode 100644 index 0000000..e94c9a7 --- /dev/null +++ b/sysdeps/x86_64/submul_1.S @@ -0,0 +1,46 @@ +/* AMD64 __mpn_submul_1 -- Multiply a limb vector with a limb and subtract + the result from a second limb vector. + Copyright (C) 2004 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. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + .text +ENTRY (__mpn_submul_1) + movq %rdx, %r11 + leaq (%rsi,%r11,8), %rsi + leaq (%rdi,%r11,8), %rdi + negq %r11 + xorl %r8d, %r8d + .p2align 3 +L(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 L(loop) + movq %r8, %rax + ret +END (__mpn_submul_1)