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Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW librarie
From: |
Masamichi Hosoda |
Subject: |
Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden) |
Date: |
Fri, 31 Jan 2020 23:27:31 +0900 (JST) |
>> -fexcess-precision=style
>> This option allows further control over excess precision on
>> machines where floating-point operations occur in a format
>> with more precision or range than the IEEE standard and
>> interchange floating-point types. By default,
>> -fexcess-precision=fast is in effect; this means that
>> operations may be carried out in a wider precision than the
>> types specified in the source if that would result in faster
>> code, and it is unpredictable when rounding to the types
>> specified in the source code takes place.
>
> This sounds promising.
If I understand correctly, such compiler options are not promising.
Even if LilyPond C++ source codes are compiled with such option,
libguile without the option may calculate in a wider precision.
In this case, the floating point calculation
inside GUILE causes these issues.
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), (continued)
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), thomasmorley65, 2020/01/29
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), nine . fierce . ballads, 2020/01/29
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), thomasmorley65, 2020/01/29
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), trueroad, 2020/01/30
- Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), trueroad, 2020/01/31
Re: Inline assembler fallback for _FPU_SETCW() missing in MINGW libraries (issue 577450043 by address@hidden), thomasmorley65, 2020/01/31