target-tricore: Add instructions of RRR1 opcode format, which have 0x63 as first opcode
Add helpers: * msub64_q_ssov: multiply two 32 bit q-format number, sub the result from a 64 bit q-format number and saturate. * msub32_q_sub_ssov: sub two 64 bit q-format numbers and return a 32 bit result. * msubr_q_ssov: multiply two 32 bit q-format numbers, sub the result from a 32 bit q-format number and saturate. * msubr_q: multiply two 32 bit q-format numbers and sub the result from a 32 bit q-format number. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NBastian Koppelmann <kbastian@mail.uni-paderborn.de>
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