diff options
author | Jason Ekstrand <[email protected]> | 2016-02-05 15:03:04 -0800 |
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committer | Jason Ekstrand <[email protected]> | 2016-02-05 15:03:44 -0800 |
commit | 741744f691d6ef63e9f9a4c03136f969f2ffb0bf (patch) | |
tree | 7c9192a0648c2d90bb08efbc21ebcb7a6e2b873a /src/compiler/nir/nir_vla.h | |
parent | 9645b8eb1f1b79e537ad8ddb683507df7bc9da58 (diff) | |
parent | eb63640c1d38a200a7b1540405051d3ff79d0d8a (diff) |
Merge commit mesa-public/master into vulkan
This pulls in the patches that move all of the compiler stuff around
Diffstat (limited to 'src/compiler/nir/nir_vla.h')
-rw-r--r-- | src/compiler/nir/nir_vla.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_vla.h b/src/compiler/nir/nir_vla.h new file mode 100644 index 00000000000..753783316a2 --- /dev/null +++ b/src/compiler/nir/nir_vla.h @@ -0,0 +1,54 @@ +/************************************************************************** + * + * Copyright 2015 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#pragma once + + +#include "c99_alloca.h" + + +/* Declare a variable length array, with no initialization */ +#define NIR_VLA(_type, _name, _length) \ + _type *_name = alloca((_length) * sizeof *_name) + + +/* Declare a variable length array, and initialize it with the given byte. + * + * _length is evaluated twice, so expressions with side-effects must be + * avoided. + */ +#define NIR_VLA_FILL(_type, _name, _length, _byte) \ + _type *_name = memset(alloca((_length) * sizeof *_name), _byte, (_length) * sizeof *_name) + + +/* Declare a variable length array, and zero it. + * + * Just like NIR_VLA_FILL, _length is evaluated twice, so expressions with + * side-effects must be avoided. + */ +#define NIR_VLA_ZERO(_type, _name, _length) \ + NIR_VLA_FILL(_type, _name, _length, 0) |