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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2018-05-02 18:06:43 -0400 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2018-05-02 18:06:43 -0400 |
| commit | 1c72ec6f498945eb5981cdedd448aec3977477c8 (patch) | |
| tree | 581be6b9afa1d1f13d663f0d4030e6f2e7c0f96e /src/backend/access/gist | |
| parent | 40f52b16dd31aa9ddc3bd42daa78459562693567 (diff) | |
| download | postgresql-1c72ec6f498945eb5981cdedd448aec3977477c8.tar.gz postgresql-1c72ec6f498945eb5981cdedd448aec3977477c8.zip | |
Improve our method for probing the availability of ARM CRC instructions.
Instead of depending on glibc's getauxval() function, just try to execute
the CRC code, and trap SIGILL if that happens.
Thomas Munro
Discussion: https://postgr.es/m/HE1PR0801MB1323D171938EABC04FFE7FA9E3110@HE1PR0801MB1323.eurprd08.prod.outlook.com
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