diff options
Diffstat (limited to 'src/interp/g-opt.boot')
| -rw-r--r-- | src/interp/g-opt.boot | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/src/interp/g-opt.boot b/src/interp/g-opt.boot index f644ddda..f7dfa3f2 100644 --- a/src/interp/g-opt.boot +++ b/src/interp/g-opt.boot @@ -428,7 +428,8 @@ $VMsideEffectFreeOperators == %bitvecnot %bitvecand %bitvecnand %bivecor %bitvecnor %bitvecxor %bitveccopy %bitvecconc %bitveclength %bitvecref %bitveceq %bitveclt %before? %equal %sptreq %ident? %property %tref - %writeString %writeNewline %writeLine) + %writeString %writeNewline %writeLine + %void) ++ List of simple VM operators $simpleVMoperators == @@ -618,8 +619,8 @@ optCollectVector form == index := nil -- loop/vector index. for iter in iters while not fromList repeat [op,:.] := iter - op in '(SUCHTHAT WHILE UNTIL) => fromList := true - op in '(IN ON) => vecSize := [["SIZE",third iter],:vecSize] + op in '(| SUCHTHAT WHILE UNTIL) => fromList := true + op in '(IN ON) => vecSize := [['%llength,third iter],:vecSize] op in '(STEP ISTEP) => -- pick a loop variable that we can use as the loop index. [.,var,lo,inc,:etc] := iter @@ -631,11 +632,11 @@ optCollectVector form == sz := inc = 1 => lo = 1 => hi - lo = 0 => MKQSADD1 hi - MKQSADD1 ["-",hi,lo] - lo = 1 => ["/",hi,inc] - lo = 0 => ["/",MKQSADD1 hi,inc] - ["/",["-",MKQSADD1 hi, lo],inc] + lo = 0 => ['%iinc,hi] + ['%iinc,['%isub,hi,lo]] + lo = 1 => ['%idiv,hi,inc] + lo = 0 => ['%idiv,['%iinc,hi],inc] + ['%idiv,['%isub,['%iinc,hi], lo],inc] vecSize := [sz, :vecSize] systemErrorHere ["optCollectVector", iter] -- if we draw from a list, then just build a list and convert to vector. @@ -645,7 +646,7 @@ optCollectVector form == -- get the actual size of the vector. vecSize := vecSize is [hi] => hi - ["MIN",:reverse! vecSize] + ['%imin,:reverse! vecSize] -- if no suitable loop index was found, introduce one. if index = nil then index := gensym() @@ -745,6 +746,13 @@ optIadd(x is ['%iadd,a,b]) == integer? b and b = 0 => a x +optIinc(x is ['%iinc,a]) == + a is [op,b,c] and op in '(%isub %iadd) => + integer? b => simplifyVMForm [op,[op,b,1],c] + integer? c => simplifyVMForm [op,b,[op,c,1]] + x + x + optIsub(x is ['%isub,a,b]) == integer? a and integer? b => a - b integer? a and a = 0 => ['%ineg,b] @@ -791,6 +799,7 @@ for x in '((%call optCall) _ (%ige optIge)_ (%ineg optIneg)_ (%iadd optIadd)_ + (%iinc optIinc)_ (%isub optIsub)_ (%irem optIrem)_ (%iquo optIquo)_ |