b7e9bee71c
rounding (impl. dep. #55), the SPARC JPS1 responsible for SPARC64 and UltraSPARC processors defines that in all cases tininess is detected before rounding therefore rounding up to the smallest normalized number should set the underflow flag. This change is needed for using SoftFloat on sparc64 for reference purposes. PR: 144900 Submitted by: Peter Jeremy |
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bits32 | ||
bits64 | ||
templates | ||
eqdf2.c | ||
eqsf2.c | ||
fpgetmask.c | ||
fpgetround.c | ||
fpgetsticky.c | ||
fpsetmask.c | ||
fpsetround.c | ||
fpsetsticky.c | ||
gedf2.c | ||
gesf2.c | ||
gtdf2.c | ||
gtsf2.c | ||
ledf2.c | ||
lesf2.c | ||
ltdf2.c | ||
ltsf2.c | ||
Makefile.inc | ||
nedf2.c | ||
negdf2.c | ||
negsf2.c | ||
nesf2.c | ||
README.NetBSD | ||
README.txt | ||
softfloat-for-gcc.h | ||
softfloat-history.txt | ||
softfloat-source.txt | ||
softfloat-specialize | ||
softfloat.txt | ||
Symbol.map | ||
timesoftfloat.c | ||
timesoftfloat.txt | ||
unorddf2.c | ||
unordsf2.c |
$NetBSD: README.txt,v 1.1 2000/06/06 08:15:02 bjh21 Exp $ $FreeBSD$ Package Overview for SoftFloat Release 2a John R. Hauser 1998 December 13 SoftFloat is a software implementation of floating-point that conforms to the IEC/IEEE Standard for Binary Floating-Point Arithmetic. SoftFloat is distributed in the form of C source code. Compiling the SoftFloat sources generates two things: -- A SoftFloat object file (typically `softfloat.o') containing the complete set of IEC/IEEE floating-point routines. -- A `timesoftfloat' program for evaluating the speed of the SoftFloat routines. (The SoftFloat module is linked into this program.) The SoftFloat package is documented in four text files: softfloat.txt Documentation for using the SoftFloat functions. softfloat-source.txt Documentation for compiling SoftFloat. softfloat-history.txt History of major changes to SoftFloat. timesoftfloat.txt Documentation for using `timesoftfloat'. Other files in the package comprise the source code for SoftFloat. Please be aware that some work is involved in porting this software to other targets. It is not just a matter of getting `make' to complete without error messages. I would have written the code that way if I could, but there are fundamental differences between systems that I can't make go away. You should not attempt to compile SoftFloat without first reading both `softfloat.txt' and `softfloat-source.txt'. At the time of this writing, the most up-to-date information about SoftFloat and the latest release can be found at the Web page `http:// HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/SoftFloat.html'.