Craig Topper 3e0e1c13ce
[RISCV][GISel] Support fp128 arithmetic and conversion for RV64. (#118707)
We can support these via libcalls in libgcc/compiler-rt or integer
operations for fneg/fabs/fcopysign. fp128 values will be passed in two
64-bit GPRs according to the psABI.

Supporting RV32 requires sret which is not supported by libcall handling
in LegalizerHelper.cpp yet. It doesn't call canLowerReturn.
2024-12-04 21:43:29 -08:00
..
2023-10-18 15:01:17 +08:00