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