[Bug target/120719] crc standard patterns are not implemented for x86

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120719

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |liuhongt at gcc dot gnu.org,
                   |                            |ubizjak at gmail dot com

--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Andrew Pinski from comment #1)
> Confirmed. the backend needs some crc expanders added.

Indeed, crcMN4 expanders are missing to handle:

uint32_t crc_v1(uint32_t x, uint8_t y) {
    return __builtin_crc32_data8(x, y, 0x1EDC6F41);
}