diff options
Diffstat (limited to 'libitm/config/x86/x86_avx.cc')
| -rw-r--r-- | libitm/config/x86/x86_avx.cc | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/libitm/config/x86/x86_avx.cc b/libitm/config/x86/x86_avx.cc new file mode 100644 index 00000000000..9d1ddfb3ee8 --- /dev/null +++ b/libitm/config/x86/x86_avx.cc @@ -0,0 +1,95 @@ +/* Copyright (C) 2009, 2011 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + + This file is part of the GNU Transactional Memory Library (libitm). + + Libitm is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + Libitm 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 General Public License for + more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +#include "libitm_i.h" +#include "dispatch.h" + +// ??? Use memcpy for now, until we have figured out how to best instantiate +// these loads/stores. +CREATE_DISPATCH_FUNCTIONS_T_MEMCPY(M256, GTM::abi_disp()->, ) + +void ITM_REGPARM +_ITM_LM256 (const _ITM_TYPE_M256 *ptr) +{ + GTM::GTM_LB (ptr, sizeof (*ptr)); +} + +// Helpers for re-aligning two 128-bit values. +#ifdef __XOP__ +const __v16qi GTM::GTM_vpperm_shift[16] = +{ + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, + { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }, + { 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 }, + { 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 }, + { 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 }, + { 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 }, + { 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 }, + { 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 }, + { 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 }, + { 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 }, + { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 }, + { 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26 }, + { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 }, + { 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 }, + { 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 }, + { 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 }, +}; +#else +# define INSN0 "movdqa %xmm1, %xmm0" +# define INSN(N) "vpalignr $" #N ", %xmm0, %xmm1, %xmm0" +# define TABLE_ENT_0 INSN0 "\n\tret\n\t" +# define TABLE_ENT(N) ".balign 8\n\t" INSN(N) "\n\tret\n\t" + +asm(".pushsection .text\n\ + .balign 16\n\ + .globl GTM_vpalignr_table\n\ + .hidden GTM_vpalignr_table\n\ + .type GTM_vpalignr_table, @function\n\ +GTM_vpalignr_table:\n\t" + TABLE_ENT_0 + TABLE_ENT(1) + TABLE_ENT(2) + TABLE_ENT(3) + TABLE_ENT(4) + TABLE_ENT(5) + TABLE_ENT(6) + TABLE_ENT(7) + TABLE_ENT(8) + TABLE_ENT(9) + TABLE_ENT(10) + TABLE_ENT(11) + TABLE_ENT(12) + TABLE_ENT(13) + TABLE_ENT(14) + TABLE_ENT(15) + ".balign 8\n\ + .size GTM_vpalignr_table, .-GTM_vpalignr_table\n\ + .popsection"); + +# undef INSN0 +# undef INSN +# undef TABLE_ENT_0 +# undef TABLE_ENT +#endif |