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C++: Support __builtin_shuffle builtin

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While here write gcc instead of GNU, which is more accurate.
This commit is contained in:
Jeroen Ketema
2022-07-26 13:59:30 +02:00
parent 81e687ea98
commit 20b66eaf34
5 changed files with 41 additions and 2 deletions
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2
cpp/ql/test/library-tests/vector_types/builtin_ops.expected
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@@ -1,2 +1,4 @@
| vector_types2.cpp:10:15:10:42 | __builtin_shuffle |
| vector_types2.cpp:11:15:11:45 | __builtin_shuffle |
| vector_types.cpp:31:13:31:49 | __builtin_shufflevector |
| vector_types.cpp:58:10:58:52 | __builtin_convertvector |

6
cpp/ql/test/library-tests/vector_types/variables.expected
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@@ -13,6 +13,12 @@
| file://:0:0:0:0 | gp_offset | gp_offset | file://:0:0:0:0 | unsigned int | 4 |
| file://:0:0:0:0 | overflow_arg_area | overflow_arg_area | file://:0:0:0:0 | void * | 8 |
| file://:0:0:0:0 | reg_save_area | reg_save_area | file://:0:0:0:0 | void * | 8 |
| vector_types2.cpp:5:7:5:7 | a | a | vector_types2.cpp:2:13:2:15 | v4i | 16 |
| vector_types2.cpp:6:7:6:7 | b | b | vector_types2.cpp:2:13:2:15 | v4i | 16 |
| vector_types2.cpp:7:7:7:12 | mask_1 | mask_1 | vector_types2.cpp:2:13:2:15 | v4i | 16 |
| vector_types2.cpp:8:7:8:12 | mask_2 | mask_2 | vector_types2.cpp:2:13:2:15 | v4i | 16 |
| vector_types2.cpp:10:7:10:11 | res_1 | res_1 | vector_types2.cpp:2:13:2:15 | v4i | 16 |
| vector_types2.cpp:11:7:11:11 | res_2 | res_2 | vector_types2.cpp:2:13:2:15 | v4i | 16 |
| vector_types.cpp:9:21:9:21 | x | x | vector_types.cpp:6:15:6:17 | v4f | 16 |
| vector_types.cpp:14:18:14:20 | lhs | lhs | vector_types.cpp:6:15:6:17 | v4f | 16 |
| vector_types.cpp:14:27:14:29 | rhs | rhs | vector_types.cpp:6:15:6:17 | v4f | 16 |

12
cpp/ql/test/library-tests/vector_types/vector_types2.cpp Normal file
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@@ -0,0 +1,12 @@
// semmle-extractor-options: --gnu --gnu_version 80000
typedef int v4i __attribute__((vector_size (16)));
void f() {
v4i a = {1,2,3,4};
v4i b = {5,6,7,8};
v4i mask_1 = {3,0,1,2};
v4i mask_2 = {3,5,4,2};
v4i res_1 = __builtin_shuffle(a, mask_1);
v4i res_2 = __builtin_shuffle(a, b, mask_2);
}