147 lines
4.1 KiB
C
147 lines
4.1 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#pragma once
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/* Macros for handling per-gen compilation.
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*
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* The prefixing macros GENX() and genX() automatically prefix whatever you
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* give them by GENX_ or genX_ where X is the gen number.
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*
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* You can declare a function to be used on some range of gens like this:
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*
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* GENX_FUNC(GEN7, GEN75) void
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* genX(my_function_name)(args...)
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* {
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* // Do stuff
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* }
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*
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* If the file is compiled for any set of gens containing gen7 and gen75,
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* the function will effectively only get compiled twice as
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* gen7_my_function_nmae and gen75_my_function_name. The function has to
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* be compilable on all gens, but it will become a static inline that gets
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* discarded by the compiler on all gens not in range.
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*
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* You can do pseudo-runtime checks in your function such as
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*
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* if (ANV_GEN > 8 || ANV_IS_HASWELL) {
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* // Do something
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* }
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*
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* The contents of the if statement must be valid regardless of gen, but
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* the if will get compiled away on everything except haswell.
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*
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* For places where you really do have a compile-time conflict, you can
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* use preprocessor logic:
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*
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* #if (ANV_GEN > 8 || ANV_IS_HASWELL)
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* // Do something
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* #endif
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*
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* However, it is strongly recommended that the former be used whenever
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* possible.
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*/
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/* Base macro defined on the command line. If we don't have this, we can't
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* do anything.
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*/
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#ifdef ANV_GENx10
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/* Gen checking macros */
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#define ANV_GEN ((ANV_GENx10) / 10)
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#define ANV_IS_HASWELL ((ANV_GENx10) == 75)
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/* Prefixing macros */
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#if (ANV_GENx10 == 70)
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# define GENX(X) GEN7_##X
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# define genX(x) gen7_##x
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#elif (ANV_GENx10 == 75)
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# define GENX(X) GEN75_##X
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# define genX(x) gen75_##x
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#elif (ANV_GENx10 == 80)
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# define GENX(X) GEN8_##X
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# define genX(x) gen8_##x
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#elif (ANV_GENx10 == 90)
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# define GENX(X) GEN9_##X
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# define genX(x) gen9_##x
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#else
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# error "Need to add prefixing macros for your gen"
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#endif
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/* Macros for comparing gens */
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#if (ANV_GENx10 >= 70)
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#define __ANV_GEN_GE_GEN7(T, F) T
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#else
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#define __ANV_GEN_GE_GEN7(T, F) F
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#endif
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#if (ANV_GENx10 <= 70)
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#define __ANV_GEN_LE_GEN7(T, F) T
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#else
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#define __ANV_GEN_LE_GEN7(T, F) F
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#endif
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#if (ANV_GENx10 >= 75)
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#define __ANV_GEN_GE_GEN75(T, F) T
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#else
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#define __ANV_GEN_GE_GEN75(T, F) F
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#endif
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#if (ANV_GENx10 <= 75)
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#define __ANV_GEN_LE_GEN75(T, F) T
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#else
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#define __ANV_GEN_LE_GEN75(T, F) F
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#endif
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#if (ANV_GENx10 >= 80)
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#define __ANV_GEN_GE_GEN8(T, F) T
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#else
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#define __ANV_GEN_GE_GEN8(T, F) F
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#endif
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#if (ANV_GENx10 <= 80)
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#define __ANV_GEN_LE_GEN8(T, F) T
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#else
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#define __ANV_GEN_LE_GEN8(T, F) F
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#endif
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#if (ANV_GENx10 >= 90)
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#define __ANV_GEN_GE_GEN9(T, F) T
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#else
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#define __ANV_GEN_GE_GEN9(T, F) F
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#endif
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#if (ANV_GENx10 <= 90)
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#define __ANV_GEN_LE_GEN9(T, F) T
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#else
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#define __ANV_GEN_LE_GEN9(T, F) F
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#endif
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#define __ANV_GEN_IN_RANGE(start, end, T, F) \
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__ANV_GEN_GE_##start(__ANV_GEN_LE_##end(T, F), F)
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/* Declares a function as static inlind if it's not in range */
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#define GENX_FUNC(start, end) __ANV_GEN_IN_RANGE(start, end, , static inline)
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#endif /* ANV_GENx10 */
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