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trouble.texi (Interoperation): Remove note about Ultrix Fortran compiler. 

* doc/trouble.texi (Interoperation): Remove note about Ultrix
	Fortran compiler.

From-SVN: r124292
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Francois-Xavier Coudert 2007-04-30 09:54:41 +02:00 committed by François-Xavier Coudert
parent 2a1fce5196
commit a19632d4f9
2 changed files with 5 additions and 14 deletions
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@ -1,3 +1,8 @@
2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
* doc/trouble.texi (Interoperation): Remove note about Ultrix
Fortran compiler.
2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/31676

14
gcc/doc/trouble.texi
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@ -234,20 +234,6 @@ you cannot successfully use @samp{$} in identifiers on the RS/6000 due
to a restriction in the IBM assembler. GAS supports these
identifiers.
@cindex VAX calling convention
@cindex Ultrix calling convention
@item
@opindex fcall-saved
On Ultrix, the Fortran compiler expects registers 2 through 5 to be saved
by function calls. However, the C compiler uses conventions compatible
with BSD Unix: registers 2 through 5 may be clobbered by function calls.
GCC uses the same convention as the Ultrix C compiler. You can use
these options to produce code compatible with the Fortran compiler:
@smallexample
-fcall-saved-r2 -fcall-saved-r3 -fcall-saved-r4 -fcall-saved-r5
@end smallexample
@end itemize
@node Incompatibilities