gcc 2.7.0: libgcc questions

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2 total messages Started by David Taylor Wed, 17 Jan 1996 00:00

#6231

Author: David Taylor
Date: Wed, 17 Jan 1996 00:00

18 lines
806 bytes

In libgcc.a, there's the file:

	_udiv_w_sdiv.o

It defines one function:

	__udiv_w_sdiv

This function, is referenced in no other libgcc file, it references one
other function:

	sdiv_qrnnd

which is not defined in libgcc nor in any of the system supplied
libraries.

What is the purpose of __udvi_w_sdiv?  And is it needed in the
sparc-sun-solaris2.4 configuration of gcc 2.7.0?

Re: gcc 2.7.0: libgcc questions

#6233

Author: Torbjorn Granlund
Date: Wed, 17 Jan 1996 00:00

10 lines
865 bytes

This was fixed for 2.7.1.

  What is the purpose of __udvi_w_sdiv?  And is it needed in the
  sparc-sun-solaris2.4 configuration of gcc 2.7.0?

It is needed to efficiently support long long divides on machines with
signed 64-bit / 32-bit division, but no unsigned such division.

An example of such a machine is IBM RS/6000 with a RIOS CPU (i.e.,
non-PowerPC versions of RS/6000).

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