/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the mingw-w64 runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ double fma(double x, double y, double z); #if defined(_ARM_) || defined(__arm__) /* Use hardware FMA on ARM. */ double fma(double x, double y, double z){ __asm__ ( "fmacd %0, %1, %2 \n" : "+w"(z) : "w"(x), "w"(y) ); return z; } #elif defined(_ARM64_) || defined(__aarch64__) /* Use hardware FMA on ARM64. */ double fma(double x, double y, double z){ __asm__ ( "fmadd %d0, %d1, %d2, %d0 \n" : "+w"(z) : "w"(x), "w"(y) ); return z; } #else long double fmal(long double x, long double y, long double z); /* For platforms that don't have hardware FMA, emulate it. */ double fma(double x, double y, double z){ return (double)fmal(x, y, z); } #endif