/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #if defined(_M_IX86) || defined(_M_X64) || defined(__i386__) || \ defined(__i386) || defined(__amd64__) /* * x87 FPU Control Word: * * 0 -> IM Invalid Operation * 1 -> DM Denormalized Operand * 2 -> ZM Zero Divide * 3 -> OM Overflow * 4 -> UM Underflow * 5 -> PM Precision */ # define FPU_EXCEPTION_MASK 0x3f /* * x86 FPU Status Word: * * 0..5 -> Exception flags (see x86 FPU Control Word) * 6 -> SF Stack Fault * 7 -> ES Error Summary Status */ # define FPU_STATUS_FLAGS 0xff /* * MXCSR Control and Status Register: * * 0..5 -> Exception flags (see x86 FPU Control Word) * 6 -> DAZ Denormals Are Zero * 7..12 -> Exception mask (see x86 FPU Control Word) */ # define SSE_STATUS_FLAGS FPU_EXCEPTION_MASK # define SSE_EXCEPTION_MASK (FPU_EXCEPTION_MASK << 7) #endif