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168 lines
3.6 KiB
ArmAsm
168 lines
3.6 KiB
ArmAsm
/* Multiple versions of memcpy
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All versions must be listed in ifunc-impl-list.c.
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Copyright (C) 2010-2017 Free Software Foundation, Inc.
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Contributed by David S. Miller (davem@davemloft.net)
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#if IS_IN (libc)
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.text
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ENTRY(memcpy)
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.type memcpy, @gnu_indirect_function
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# ifdef SHARED
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SETUP_PIC_REG_LEAF(o3, o5)
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# endif
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set HWCAP_SPARC_CRYPTO, %o1
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andcc %o0, %o1, %g0
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be 1f
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andcc %o0, HWCAP_SPARC_N2, %g0
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# ifdef SHARED
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sethi %gdop_hix22(__memcpy_niagara4), %o1
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xor %o1, %gdop_lox10(__memcpy_niagara4), %o1
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# else
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set __memcpy_niagara4, %o1
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# endif
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ba 10f
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nop
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1: be 1f
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andcc %o0, HWCAP_SPARC_BLKINIT, %g0
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# ifdef SHARED
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sethi %gdop_hix22(__memcpy_niagara2), %o1
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xor %o1, %gdop_lox10(__memcpy_niagara2), %o1
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# else
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set __memcpy_niagara2, %o1
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# endif
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ba 10f
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nop
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1: be 1f
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andcc %o0, HWCAP_SPARC_ULTRA3, %g0
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# ifdef SHARED
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sethi %gdop_hix22(__memcpy_niagara1), %o1
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xor %o1, %gdop_lox10(__memcpy_niagara1), %o1
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# else
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set __memcpy_niagara1, %o1
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# endif
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ba 10f
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nop
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1: be 9f
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nop
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# ifdef SHARED
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sethi %gdop_hix22(__memcpy_ultra3), %o1
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xor %o1, %gdop_lox10(__memcpy_ultra3), %o1
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# else
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set __memcpy_ultra3, %o1
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# endif
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ba 10f
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nop
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9:
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# ifdef SHARED
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sethi %gdop_hix22(__memcpy_ultra1), %o1
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xor %o1, %gdop_lox10(__memcpy_ultra1), %o1
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# else
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set __memcpy_ultra1, %o1
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# endif
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10:
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# ifdef SHARED
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add %o3, %o1, %o1
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# endif
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retl
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mov %o1, %o0
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END(memcpy)
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ENTRY(__mempcpy)
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.type __mempcpy, @gnu_indirect_function
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# ifdef SHARED
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SETUP_PIC_REG_LEAF(o3, o5)
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# endif
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set HWCAP_SPARC_CRYPTO, %o1
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andcc %o0, %o1, %g0
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be 1f
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andcc %o0, HWCAP_SPARC_N2, %g0
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# ifdef SHARED
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sethi %gdop_hix22(__mempcpy_niagara4), %o1
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xor %o1, %gdop_lox10(__mempcpy_niagara4), %o1
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# else
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set __mempcpy_niagara4, %o1
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# endif
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ba 10f
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nop
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1: be 1f
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andcc %o0, HWCAP_SPARC_BLKINIT, %g0
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# ifdef SHARED
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sethi %gdop_hix22(__mempcpy_niagara2), %o1
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xor %o1, %gdop_lox10(__mempcpy_niagara2), %o1
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# else
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set __mempcpy_niagara2, %o1
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# endif
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ba 10f
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nop
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1: be 1f
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andcc %o0, HWCAP_SPARC_ULTRA3, %g0
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# ifdef SHARED
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sethi %gdop_hix22(__mempcpy_niagara1), %o1
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xor %o1, %gdop_lox10(__mempcpy_niagara1), %o1
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# else
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set __mempcpy_niagara1, %o1
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# endif
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ba 10f
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nop
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1: be 9f
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nop
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# ifdef SHARED
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sethi %gdop_hix22(__mempcpy_ultra3), %o1
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xor %o1, %gdop_lox10(__mempcpy_ultra3), %o1
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# else
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set __mempcpy_ultra3, %o1
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# endif
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ba 10f
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nop
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9:
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# ifdef SHARED
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sethi %gdop_hix22(__mempcpy_ultra1), %o1
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xor %o1, %gdop_lox10(__mempcpy_ultra1), %o1
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# else
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set __mempcpy_ultra1, %o1
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# endif
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10:
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# ifdef SHARED
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add %o3, %o1, %o1
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# endif
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retl
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mov %o1, %o0
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END(__mempcpy)
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libc_hidden_builtin_def (memcpy)
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libc_hidden_def (__mempcpy)
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weak_alias (__mempcpy, mempcpy)
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libc_hidden_builtin_def (mempcpy)
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#undef libc_hidden_builtin_def
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#define libc_hidden_builtin_def(name)
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#undef weak_alias
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#define weak_alias(x, y)
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#undef libc_hidden_def
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#define libc_hidden_def(name)
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#define memcpy __memcpy_ultra1
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#define __mempcpy __mempcpy_ultra1
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#endif
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#include "../memcpy.S"
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