[llvm] [X86] Align f128 to 16 bytes when passing on x86-32 (PR #138092)

[Trevor Gross via llvm-commits]

tgross35 wrote:

I'm not sure why this seems to have no effect; the tests at llvm/test/CodeGen/X86/fp128-abi.ll should fail since they need to be updated, but there is no change in codegen. I wonder if this is getting fixed up somewhere.

https://github.com/llvm/llvm-project/pull/138092