Alex/rmx500 fusion p10019563 81217 - #190
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added pipeline support for rmx500 to be taken into account while doing instruction fusion it is enabled by -mtune=arc-v-rmx-500-series Signed-off-by: Alex Turjan <turjan@synopsys.com>
MichielDerhaeg
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Nov 27, 2025
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Please clean up the PR, there are old, already merged, commits in there.
Can you come up with a better commit title? Don't forget prefixing with arcv: and using --signoff.
| && !SCHED_GROUP_P (ready[*n_readyp - i]) | ||
| && (!next_insn (ready[*n_readyp - i]) | ||
| || !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i])) | ||
| // || !NONDEBUG_INSN_P (next_insn (ready[*n_readyp - i])) |
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Don't just comment these out. Remove the lines if they need to be removed.
Also, don't we need something like next_non_dbg_insn? That keeps invoking next_insn in a loop until it finds either a non-debug insn or null?
during scheduling (before ira/fusion/after ira) certain conditions that enable fusion (thus sequence ordering) take into account the presence of debug instructions. But debug instructions shouldnt influence instruction order.
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