Tony Harminc wrote:
Then it seems that METAL inhibits use of the ARCH option, so METAL C must generate code at the ARCH(CURRENT) level, which means it can (and does) use LARL and the like from the long displacement facility. Well, no, actually it accepts ARCH(5), which says is the default and generates code at the z900/z800 level, but it still generates LARL, which I don't believe is architected at that level.
LARL was added to the ESA/390 instruction set implemented on the very first machines supporting z/Architecture.
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