[llvm] [RISCV] Use separate CCValAssign for both parts of f64 with ilp32. (PR #69129)

[Craig Topper via llvm-commits]

topperc wrote:

> This seems to introduce some compile failures in the GCC torture suite. e.g. pr44942 for rv32imafdc, ilp32, O1.

Thanks, Alex! I've fixed that issue and rebased the patch on trunk to get rid of the already committed https://github.com/llvm/llvm-project/pull/69118.

https://github.com/llvm/llvm-project/pull/69129