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Re: -mno-sse and -mno-sse2 broken on opteron?
Andreas Jaeger wrote:
That has nothing to do with this - on x86-64, we use the 387 unit for
long doubles,
... 387 can at most support 80 bits floating point value during
From amd manuals 24592:
x87 instructions operate on data in three floating-point
formats--32-bit single-precision, 64-bit double-precision, and
80-bit double-extended-precision (sometimes called extended
precision)--as well as integer, and 80-bit packed-BCD fo
on one of my x86_64 server:
sizeof(float) == 4 (32 bit)
sizeof(double) == 8 (64 bit)
sizeof(long double) == 16 (128 bit)
is your fp bigger? ;-)
Luca
--
But how can I implement unimaginable chaos in my compiler?
-Geerhardt Goos-