在 2025-02-09 22:48, Jacek Caban 写道:
From: Billy Laws <blaw...@gmail.com>Signed-off-by: Jacek Caban <ja...@codeweavers.com> --- mingw-w64-headers/crt/fenv.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
While there doesn't seem to be any issue in this series of patches, I would like to ask whether `long double` should be 64-bit or 80-bit on ARM64EC.
In a sense, ARM64EC provides binary interoperability with x64 emulation, which seems to me that `long double` should be 80-bit.
My experiments on Huawei MateBook E Go suggest that, for x64 emulation the x87 FPU is emulated with standard `double`, and except it takes more space it provides no additional precision.
-- Best regards, LIU Hao
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