runtime: optimize zeroing of registers in secret_amd64.s #76830

CAFxX · 2025-12-14T13:11:00Z

Use VPXORQ instead of VMOVAPD because the former, when in the form of a zeroing idiom, is handled directly by the renamer.

Tweak also the KXORQs to operate each on a single register, making it trivial to understand what the intent is, and so that all can potentially execute in parallel.

Use VPXORQ instead of VMOVAPD because the former, when in the form of a zeroing idiom, is handled directly by the renamer. Tweak also the KXORQs to operate each on a single register, making it trivial to understand what the intent is, and so that all can potentially execute in parallel.

gopherbot · 2025-12-14T13:19:48Z

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gopherbot · 2025-12-14T13:27:33Z

Message from Gopher Robot:

Patch Set 1:

(1 comment)