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