mirror of
https://github.com/YosysHQ/yosys
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c89cfe1e6e
Rewrite power-of-two indexed word selects to $bmux when the shift amount already carries the scale as low zero bits. Keep the rule to non-overlapping selections and bound the generated mux ways. Add regressions for aligned shifts, padding, signed extension, and shiftmul handoff cases.
44 lines
No EOL
1.4 KiB
Makefile
44 lines
No EOL
1.4 KiB
Makefile
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OBJS += passes/opt/opt.o
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OBJS += passes/opt/opt_merge.o
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OBJS += passes/opt/opt_mem.o
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OBJS += passes/opt/opt_mem_feedback.o
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OBJS += passes/opt/opt_mem_priority.o
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OBJS += passes/opt/opt_mem_widen.o
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OBJS += passes/opt/opt_muxtree.o
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OBJS += passes/opt/opt_reduce.o
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OBJS += passes/opt/opt_dff.o
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OBJS += passes/opt/opt_share.o
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OBJS += passes/opt/opt_expr.o
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OBJS += passes/opt/opt_hier.o
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ifneq ($(SMALL),1)
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OBJS += passes/opt/share.o
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OBJS += passes/opt/wreduce.o
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OBJS += passes/opt/opt_demorgan.o
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OBJS += passes/opt/rmports.o
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OBJS += passes/opt/opt_lut.o
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OBJS += passes/opt/opt_lut_ins.o
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OBJS += passes/opt/opt_ffinv.o
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OBJS += passes/opt/pmux2shiftx.o
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OBJS += passes/opt/muxpack.o
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OBJS += passes/opt/opt_balance_tree.o
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OBJS += passes/opt/peepopt.o
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GENFILES += passes/opt/peepopt_pm.h
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passes/opt/peepopt.o: passes/opt/peepopt_pm.h
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$(eval $(call add_extra_objs,passes/opt/peepopt_pm.h))
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PEEPOPT_PATTERN = passes/opt/peepopt_shiftmul_right.pmg
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PEEPOPT_PATTERN += passes/opt/peepopt_shiftmul_left.pmg
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PEEPOPT_PATTERN += passes/opt/peepopt_shiftadd.pmg
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PEEPOPT_PATTERN += passes/opt/peepopt_shiftpow2.pmg
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PEEPOPT_PATTERN += passes/opt/peepopt_muldiv.pmg
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PEEPOPT_PATTERN += passes/opt/peepopt_muldiv_c.pmg
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PEEPOPT_PATTERN += passes/opt/peepopt_formal_clockgateff.pmg
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passes/opt/peepopt_pm.h: passes/pmgen/pmgen.py $(PEEPOPT_PATTERN)
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$(P) mkdir -p $(dir $@) && $(PYTHON_EXECUTABLE) $< -o $@ -p peepopt $(filter-out $<,$^)
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endif
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include $(YOSYS_SRC)/passes/opt/opt_clean/Makefile.inc |