Refactor detection of x86 ZMM registers
- Call _xgetbv within x86_set_runtime_features rather than in a
separate function
- Use symbols for XCR mask bits rather than a magic constant
A future commit will build on this to detect YMM registers without
code duplication.
Reviewed-by: Zsolt Parragi <zsolt.parragi@percona.com>
Discussion: https://postgr.es/m/CANWCAZbgEUFw7LuYSVeJ=Tj98R5HoOB1Ffeqk3aLvbw5rU5NTw@mail.gmail.com
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/51bb4a58ed23cb228e5dd2e5971843e785f4d913
Modified Files
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src/port/pg_cpu_x86.c | 43 +++++++++++++++++++++++++++----------------
1 file changed, 27 insertions(+), 16 deletions(-)
