arch/x86/math-emu/fpu_emu.h

160

#define getsign(a) (signbyte(a) & 0x80)

arch/x86/math-emu/fpu_emu.h

161

#define setsign(a,b) { if ((b) != 0) signbyte(a) |= 0x80; else signbyte(a) &= 0x7f; }

arch/x86/math-emu/fpu_emu.h

162

#define copysign(a,b) { if (getsign(a)) signbyte(b) |= 0x80; \

arch/x86/math-emu/fpu_emu.h

163

else signbyte(b) &= 0x7f; }

arch/x86/math-emu/fpu_emu.h

164

#define changesign(a) { signbyte(a) ^= 0x80; }

arch/x86/math-emu/fpu_emu.h

165

#define setpositive(a) { signbyte(a) &= 0x7f; }

arch/x86/math-emu/fpu_emu.h

166

#define setnegative(a) { signbyte(a) |= 0x80; }

arch/x86/math-emu/fpu_emu.h

167

#define signpositive(a) ( (signbyte(a) & 0x80) == 0 )

arch/x86/math-emu/fpu_emu.h

168

#define signnegative(a) (signbyte(a) & 0x80)

arch/x86/math-emu/fpu_etc.c

23

signbyte(st0_ptr) ^= SIGN_NEG;