49d1a4c562
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging
42 lines
906 B
C
42 lines
906 B
C
/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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double fma(double x, double y, double z);
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#if defined(_ARM_) || defined(__arm__)
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/* Use hardware FMA on ARM. */
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double fma(double x, double y, double z){
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__asm__ (
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"fmacd %0, %1, %2 \n"
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: "+w"(z)
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: "w"(x), "w"(y)
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);
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return z;
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}
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#elif defined(_ARM64_) || defined(__aarch64__)
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/* Use hardware FMA on ARM64. */
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double fma(double x, double y, double z){
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__asm__ (
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"fmadd %d0, %d1, %d2, %d0 \n"
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: "+w"(z)
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: "w"(x), "w"(y)
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);
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return z;
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}
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#else
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long double fmal(long double x, long double y, long double z);
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/* For platforms that don't have hardware FMA, emulate it. */
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double fma(double x, double y, double z){
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return (double)fmal(x, y, z);
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}
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#endif
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