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57 lines
1.8 KiB
ArmAsm
57 lines
1.8 KiB
ArmAsm
/* isfinite(). PowerPC64/POWER8 version.
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Copyright (C) 2014-2015 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, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <math_ldbl_opt.h>
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#define MFVSRD_R3_V1 .long 0x7c230066 /* mfvsrd r3,vs1 */
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/* int [r3] __finite ([fp1] x) */
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EALIGN (__finite, 4, 0)
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CALL_MCOUNT 0
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MFVSRD_R3_V1
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lis r9,0x8010
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clrldi r3,r3,1 /* r3 = r3 & 0x8000000000000000 */
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rldicr r9,r9,32,31 /* r9 = (r9 << 32) & 0xffffffff */
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add r3,r3,r9
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rldicl r3,r3,1,63
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blr
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END (__finite)
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hidden_def (__finite)
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weak_alias (__finite, finite)
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/* It turns out that the 'double' version will also always work for
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single-precision. */
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strong_alias (__finite, __finitef)
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hidden_def (__finitef)
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weak_alias (__finitef, finitef)
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#if IS_IN (libm)
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# if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
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compat_symbol (libm, __finite, __finitel, GLIBC_2_0)
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compat_symbol (libm, finite, finitel, GLIBC_2_0)
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# endif
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#else
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# if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
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compat_symbol (libc, __finite, __finitel, GLIBC_2_0);
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compat_symbol (libc, finite, finitel, GLIBC_2_0);
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# endif
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#endif
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