libstdc++/23: alpha-dec-osf4.0f: math/mycabsf.c "hard register" compile failure

[mooney@dogbert.cc.ndsu.nodak.edu]

>Number:         23
>Category:       libstdc++
>Synopsis:       alpha-dec-osf4.0f: math/mycabsf.c "hard register" compile failure
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 10 13:27:00 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     mooney@dogbert.cc.ndsu.nodak.edu
>Release:        2.90.7
>Organization:
>Environment:
alphaev56-dec-osf4.0f, with all relevant patches applied.
Using gcc 2.95.2, compiled on this machine.
>Description:
While attempting to compile libstdc++ 2.90.7, the build
failed in the math subdirectory with the following error:

gcc -DHAVE_CONFIG_H -I. -I. -I.. -O2 -g -Wall -c  -DPIC mycabsf.c -o .libs/mycabsf.lo
mycabsf.c: In function `__mycabsf':
mycabsf.c:36: Unable to access imaginary part of complex value in a hard register on this target
>How-To-Repeat:
a simple

	./configure
	make

on an alpha-dec-osf4.x or 5.x box should reproduce the problem.
>Fix:
Unknown
>Release-Note:
>Audit-Trail:
>Unformatted: