https://bugs.llvm.org/show_bug.cgi?id=38379
Bug ID: 38379
Summary: Unrecognized value "pwr4" and "pwr7" on a Power8
machine
Product: clang
Version: 4.0
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: noloa...@gmail.com
CC: llvm-bugs@lists.llvm.org
I'm working on GCC112 on the compile farm. GCC1128 is Power8/ISA 2.07, but
Power4 and Power7 probes are failing:
gcc2-power8]$ xlC -qarch=pwr4 -qaltivec -c adhoc.cpp
warning: 1540-5203 Unrecognized value "pwr4" specified with option "arch".
1 warning generated.
gcc2-power8]$ xlC -qarch=pwr7 -qaltivec -c adhoc.cpp
warning: 1540-5203 Unrecognized value "pwr7" specified with option "arch".
1 warning generated.
gcc2-power8]$ xlC -qarch=pwr8 -qaltivec -c adhoc.cpp
gcc2-power8]$
And from GCC119 which is the AIX machine on the compile farm:
-bash-4.4$ xlC -qarch=pwr4 -c adhoc.cpp
-bash-4.4$ xlC -qarch=pwr7 -qaltivec -c adhoc.cpp
-bash-4.4$ xlC -qarch=pwr8 -qaltivec -c adhoc.cpp
-bash-4.4$
The new behavior causes some configure's to produce incorrect results (like
ours):
if (Power4); then
if (Power7); then
if (Power8); then
...
fi
fi
fi
-----
GCC119/AIX machine:
-bash-4.4$ xlC -qversion
IBM XL C/C++ for AIX, V13.1.3 (5725-C72, 5765-J07)
Version: 13.01.0003.0004
GCC112/Linux machine:
$ xlC -qversion
IBM XL C/C++ for Linux, V13.1.6 (Community Edition)
Version: 13.01.0006.0001
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