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  1. WiredTiger
  2. WT-3177

Power8 CRC hardware acceleration does not compile with clang

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    • Type: Icon: Bug Bug
    • Resolution: Won't Fix
    • Priority: Icon: Minor - P4 Minor - P4
    • None
    • Affects Version/s: None
    • Component/s: None
    • Labels:
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      Here is a same of the errors I get with clang. I used a patched version of clang that recognizes ".sx" files as ".S" files since clang does not recognize sx files natively.

      src/third_party/wiredtiger/src/checksum/power8/crc32.sx:83:1: error: unrecognized instruction mnemonic
FUNC_START(__crc32_vpmsum)
^
src/third_party/wiredtiger/src/checksum/power8/crc32.sx:84:13: error: invalid memory operand
        std     r31,-8(r1)
                       ^
src/third_party/wiredtiger/src/checksum/power8/crc32.sx:84:15: error: unknown operand
        std     r31,-8(r1)
                         ^
src/third_party/wiredtiger/src/checksum/power8/crc32.sx:84:15: error: unexpected token at start of statement
        std     r31,-8(r1)
                         ^
src/third_party/wiredtiger/src/checksum/power8/crc32.sx:85:14: error: invalid memory operand
        std     r30,-16(r1)
                        ^
src/third_party/wiredtiger/src/checksum/power8/crc32.sx:85:16: error: unknown operand
        std     r30,-16(r1)
                          ^
src/third_party/wiredtiger/src/checksum/power8/crc32.sx:85:16: error: unexpected token at start of statement
        std     r30,-16(r1)

            Assignee:
            backlog-server-storage-engines [DO NOT USE] Backlog - Storage Engines Team
            Reporter:
            mark.benvenuto@mongodb.com Mark Benvenuto
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              Created:
              Updated:
              Resolved: