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Implement opt_share

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This pass identifies arithmetic operators that share an operand and whose
results are used in mutually exclusive cases controlled by a multiplexer, and
merges them together by multiplexing the other operands
This commit is contained in:
Bogdan Vukobratovic 2019-07-26 11:36:48 +02:00
parent a02d1720a7
commit 07c4a7d438
6 changed files with 383 additions and 1 deletions
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2
passes/opt/Makefile.inc
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@ -4,6 +4,7 @@ OBJS += passes/opt/opt_merge.o
OBJS += passes/opt/opt_muxtree.o
OBJS += passes/opt/opt_reduce.o
OBJS += passes/opt/opt_rmdff.o
OBJS += passes/opt/opt_share.o
OBJS += passes/opt/opt_clean.o
OBJS += passes/opt/opt_expr.o
@ -16,4 +17,3 @@ OBJS += passes/opt/opt_lut.o
OBJS += passes/opt/pmux2shiftx.o
OBJS += passes/opt/muxpack.o
endif