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Hi, I recently added a warning to the S/390 assembler that is printed whenever a specified base or index register is zero. That helped us to find some critical bugs in the compiler. The background is that the general purpose register 0 can't be used to address memory. I got several complaints about these warnings and to make everybody happy I want to add a run-time option. The default is not to print these messages and -mwarn_areg_zero enables them. ChangeLog for gas: 2001-09-19 Martin Schwidefsky <schwidefsky@de.ibm.com> * gas/config/tc-s390.c: Add option -mwarn_areg_zero. (See attached file: binutils-warn.diff) blue skies, Martin Linux/390 Design & Development, IBM Deutschland Entwicklung GmbH Schönaicherstr. 220, D-71032 Böblingen, Telefon: 49 - (0)7031 - 16-2247 E-Mail: schwidefsky@de.ibm.com
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