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/* Optimized strcmp implementation for PowerPC476.
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Copyright (C) 2010 Free Software Foundation, Inc.
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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, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
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r0:temp return equality
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r3:source1 address, return equality
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Implementation description
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Check 2 words from src1 and src2. If unequal jump to end and
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return src1 > src2 or src1 < src2.
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If null check bytes before null and then jump to end and
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return src1 > src2, src1 < src2 or src1 = src2.
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If src1 = src2 and no null, repeat. */
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EALIGN (BP_SYM(strcmp),5,0)
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rlwinm r12,r12,3,0,31
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rlwinm r12,r12,3,0,31
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END (BP_SYM (strcmp))
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libc_hidden_builtin_def (strcmp)