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1 /**************************************************************************
2  *
3  * Copyright 2010 VMware, Inc.
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * The above copyright notice and this permission notice (including the
23  * next paragraph) shall be included in all copies or substantial portions
24  * of the Software.
25  *
26  **************************************************************************/
27 
28 
29 #include "lp_bld_format.h"
30 
lp_build_format_cache_elem_type(struct gallivm_state * gallivm,enum cache_member member)31 LLVMTypeRef lp_build_format_cache_elem_type(struct gallivm_state *gallivm, enum cache_member member) {
32    assert(member == LP_BUILD_FORMAT_CACHE_MEMBER_DATA || member == LP_BUILD_FORMAT_CACHE_MEMBER_TAGS);
33    switch (member) {
34    case LP_BUILD_FORMAT_CACHE_MEMBER_DATA:
35       return LLVMInt32TypeInContext(gallivm->context);
36    case LP_BUILD_FORMAT_CACHE_MEMBER_TAGS:
37       return LLVMInt64TypeInContext(gallivm->context);
38    default:
39       unreachable("lp_build_format_cache_elem_type unhandled member type");
40    }
41 }
42 
lp_build_format_cache_member_type(struct gallivm_state * gallivm,enum cache_member member)43 LLVMTypeRef lp_build_format_cache_member_type(struct gallivm_state *gallivm, enum cache_member member) {
44    assert(member == LP_BUILD_FORMAT_CACHE_MEMBER_DATA || member == LP_BUILD_FORMAT_CACHE_MEMBER_TAGS);
45    unsigned elem_count =
46          member == LP_BUILD_FORMAT_CACHE_MEMBER_DATA ? LP_BUILD_FORMAT_CACHE_SIZE * 16 :
47          member == LP_BUILD_FORMAT_CACHE_MEMBER_TAGS ? LP_BUILD_FORMAT_CACHE_SIZE : 0;
48    return LLVMArrayType(lp_build_format_cache_elem_type(gallivm, member), elem_count);
49 }
50 
51 LLVMTypeRef
lp_build_format_cache_type(struct gallivm_state * gallivm)52 lp_build_format_cache_type(struct gallivm_state *gallivm)
53 {
54    LLVMTypeRef elem_types[LP_BUILD_FORMAT_CACHE_MEMBER_COUNT];
55    LLVMTypeRef s;
56 
57    int members[] = {LP_BUILD_FORMAT_CACHE_MEMBER_DATA, LP_BUILD_FORMAT_CACHE_MEMBER_TAGS};
58    for (int i = 0; i < ARRAY_SIZE(members); ++i) {
59       int member = members[i];
60       elem_types[member] = lp_build_format_cache_member_type(gallivm, member);
61    }
62 
63 #if LP_BUILD_FORMAT_CACHE_DEBUG
64    elem_types[LP_BUILD_FORMAT_CACHE_MEMBER_ACCESS_TOTAL] =
65          LLVMInt64TypeInContext(gallivm->context);
66    elem_types[LP_BUILD_FORMAT_CACHE_MEMBER_ACCESS_MISS] =
67          LLVMInt64TypeInContext(gallivm->context);
68 #endif
69 
70    s = LLVMStructTypeInContext(gallivm->context, elem_types,
71                                LP_BUILD_FORMAT_CACHE_MEMBER_COUNT, 0);
72 
73    return s;
74 }
75