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The Mitsubishi M32R version of
as has a few machine
ascan assemble code for several different members of the Mitsubishi M32R family. Normally the default is to assemble code for the M32R microprocessor. This option may be used to change the default to the M32RX microprocessor, which adds some more instructions to the basic M32R instruction set, and some additional parameters to some of the original instructions.
asto produce warning messages when questionable parallel instructions are encountered. This option is enabled by default, but
gccdisables it when it invokes
asdirectly. Questionable instructions are those whoes behaviour would be different if they were executed sequentially. For example the code fragment `mv r1, r2 || mv r3, r1' produces a different result from `mv r1, r2 \n mv r3, r1' since the former moves r1 into r3 and then r2 into r1, whereas the later moves r2 into r1 and r3.
asnot to produce warning messages when questionable parallel instructions are encountered.
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