Re: Unexpected SSE4.1 (pinsrq) in libgcc_s_seh-1.dll

Florian Weimer <[email protected]> Thu, 19 Feb 2026 22:36:33 +0100

Newsgroups	gmane.comp.gcc.help
Message-ID	<[email protected]>

* Nemos via Gcc-help:

> Questions:
> Why are SSE4.1 instructions (pinsrq) present in libgcc_s_seh-1.dll when SSE4.1
> is disabled in the configuration?

How did you determine that such an instruction was present?
If it is through disassembly, what is the context?