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noimplicitfloat
2015 Aug 22
2
SSE return w/ elf64 ABI
Hi,
LLVM made a change a few months ago and starting erroring out when a float
is returned in x64 and SSE is disabled. This makes sense, really, since
it's specified by the ABI that the return value must be put in a register
you were told to disable, but it's breaking soft floats in Rust on x64. It
seems there are two options: LLVM could break the ABI spec and have working
soft floats on