Shaoce SUN 7e8ff2afa9
[RISCV][GISel] Optimize +0.0 to use fcvt.d.w for s64 on rv32 (#153978)
Resolve the TODO: on RV32, when constructing the double-precision
constant `+0.0` for `s64`, `BuildPairF64Pseudo` can be optimized to use
the `fcvt.d.w` instruction to generate the result directly.
2025-08-18 17:52:24 +00:00
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