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Update patch set 2

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Patch Set 2:

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Patch-set: 2
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Gerrit User 1001629 2024-11-06 19:32:51 +00:00 committed by Gerrit Code Review
parent 7e6cabe648
commit 243af116aa
1 changed files with 18 additions and 0 deletions
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298bd480ba48b445d8c185b4a660be96256f4b4a
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@ -190,6 +190,24 @@
"parentUuid": "5d490a85_1b62ac9a",
"revId": "298bd480ba48b445d8c185b4a660be96256f4b4a",
"serverId": "3ce6091f-6c88-37e8-8c75-72f92ae8dfba"
},
{
"unresolved": true,
"key": {
"uuid": "89bd57ac_2a7a3a43",
"filename": "BUILD.gn",
"patchSetId": 2
},
"lineNbr": 259,
"author": {
"id": 1001629
},
"writtenOn": "2024-11-06T19:32:51Z",
"side": 1,
"message": "`__attribute__`. `__attribute__(target())` seems to do the trick with both compilers:\n\n```\n$ cat test.cc\n#include \u003carm_acle.h\u003e\n\n__attribute__((target(\"+crc+nocrypto\")))\nuint32_t foo (uint32_t a, uint8_t b) {\n return __crc32b(a, b);\n}\n\nint main() {\n return foo(54, 8);\n}\n\n$ aarch64-linux-gnu-g++ test.cc -march\u003darmv8-a -S -o - | grep crc\n\t.arch armv8-a+crc\n\tcrc32b\tw0, w0, w1\n\n$ third_party/llvm-build/Release+Asserts/bin/clang++ --target\u003daarch64-linux-gnu test.cc -march\u003darmv8-a -S -o - | grep crc\n\tcrc32b\tw0, w8, w9\n```",
"parentUuid": "f40e6fc1_47a15fa9",
"revId": "298bd480ba48b445d8c185b4a660be96256f4b4a",
"serverId": "3ce6091f-6c88-37e8-8c75-72f92ae8dfba"
}
]
}