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| author | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2016-04-09 14:32:07 -0400 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2016-04-09 14:32:07 -0400 |
| commit | abe45f1ab06229d51a1f62bf0569ae99b804823b (patch) | |
| tree | 2138b921ec69a2eab65588d17fee7cea954a1eec | |
| parent | d8770d112bcee4c9df1cb4276780bddc818de5a4 (diff) | |
| download | roux-abe45f1ab06229d51a1f62bf0569ae99b804823b.tar.gz | |
enable constant folding
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | all.h | 3 | ||||
| -rw-r--r-- | main.c | 3 |
3 files changed, 7 insertions, 1 deletions
diff --git a/Makefile b/Makefile index 935cb95..357575b 100644 --- a/Makefile +++ b/Makefile @@ -4,7 +4,7 @@ ABI = sysv V = @ OBJDIR = obj -SRC = main.c util.c parse.c mem.c ssa.c copy.c live.c $(ABI).c isel.c spill.c rega.c emit.c +SRC = main.c util.c parse.c mem.c ssa.c copy.c fold.c live.c $(ABI).c isel.c spill.c rega.c emit.c OBJ = $(SRC:%.c=$(OBJDIR)/%.o) CFLAGS += -Wall -Wextra -std=c99 -g -pedantic diff --git a/all.h b/all.h index c9b52b0..c6e2acb 100644 --- a/all.h +++ b/all.h @@ -533,6 +533,9 @@ void ssa(Fn *); /* copy.c */ void copy(Fn *); +/* fold.c */ +void fold(Fn *); + /* live.c */ void liveon(BSet *, Blk *, Blk *); void filllive(Fn *); diff --git a/main.c b/main.c index d568621..1f1315f 100644 --- a/main.c +++ b/main.c @@ -11,6 +11,7 @@ char debug['Z'+1] = { ['M'] = 0, /* memory optimization */ ['N'] = 0, /* ssa construction */ ['C'] = 0, /* copy elimination */ + ['F'] = 0, /* constant folding */ ['S'] = 0, /* spilling */ ['R'] = 0, /* reg. allocation */ }; @@ -48,6 +49,8 @@ func(Fn *fn) ssa(fn); filluse(fn); copy(fn); + filluse(fn); + fold(fn); abi(fn); filluse(fn); isel(fn); |