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MIPSr6 has MADDF.s/MADDF.d instructions, which are fused. In MIPS ISA, double support can be subsetted. Only FMAF is enabled for this case. * sysdeps/mips/fpu/math-use-builtins-fma.h Signed-off-by: YunQiang Su <syq@gcc.gnu.org> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* Copyright (C) 2024 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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<https://www.gnu.org/licenses/>. */
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/* MIPSr6 has MADDF.s/MADDF.d instructions, which are fused. In MIPS
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ISA, double support can be subsetted. Only FMAF is enabled for this
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case. */
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#include <sysdep.h>
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#if __mips_isa_rev >= 6
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# ifdef __mips_single_float
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# define USE_FMA_BUILTIN 0
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# else
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# define USE_FMA_BUILTIN 1
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# endif
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# define USE_FMAF_BUILTIN 1
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#else
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# define USE_FMA_BUILTIN 0
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# define USE_FMAF_BUILTIN 0
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#endif
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#define USE_FMAL_BUILTIN 0
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#define USE_FMAF128_BUILTIN 0
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