-qarch
In z/OS® XL C/C++, the -qarch option specifies the processor architecture for which the code (instructions) should be generated.
Open XL C/C++ for z/OS
supports IBM®
z10 and newer. -march is
functionally equivalent to -qarch. The following table provides a mapping of the suboptions of -qarch and
-march.
| -qarch | -march |
|---|---|
| -qarch=8 | arch8 and z10 |
| -qarch=9 | arch9 and z196 |
| -qarch=10 | arch10 and zEC12 (default) |
| -qarch=11 | arch11 and z13 |
| -qarch=12 | arch12 and z14 |
| -qarch=13 | arch13 and z15 |
| N/A | arch14 and z16 |