johnchandlerburnham/wasm-i64-f64.md

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wasm i64 and f64 ops

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wasm-i64-f64.md

i64, 29 ops

Op	Signature
`i64.eqz`	`[i64] -> i32`
`i64.eq`	`[i64,i64] -> i32`
`i64.ne`	`[i64,i64] -> i32`
`i64.lt_s`	`[i64,i64] -> i32`
`i64.lt_u`	`[i64,i64] -> i32`
`i64.gt_s`	`[i64,i64] -> i32`
`i64.gt_u`	`[i64,i64] -> i32`
`i64.le_s`	`[i64,i64] -> i32`
`i64.le_u`	`[i64,i64] -> i32`
`i64.ge_s`	`[i64,i64] -> i32`
`i64.ge_u`	`[i64,i64] -> i32`
`i64.clz`	`[i64] -> i32`
`i64.ctz`	`[i64] -> i32`
`i64.popcnt`	`[i64] -> i32`
`i64.add`	`[i64,i64] -> i64`
`i64.sub`	`[i64,i64] -> i64`
`i64.mul`	`[i64,i64] -> i64`
`i64.div_s`	`[i64,i64] -> i64`
`i64.div_u`	`[i64,i64] -> i64`
`i64.rem_s`	`[i64,i64] -> i64`
`i64.rem_u`	`[i64,i64] -> i64`
`i64.and`	`[i64,i64] -> i64`
`i64.or`	`[i64,i64] -> i64`
`i64.xor`	`[i64,i64] -> i64`
`i64.shl`	`[i64,i64] -> i64`
`i64.shr_s`	`[i64,i64] -> i64`
`i64.shr_u`	`[i64,i64] -> i64`
`i64.rotl`	`[i64,i64] -> i64`
`i64.rotr`	`[i64,i64] -> i64`

f64, 19 ops

Op	Signature
`f64.eq`	`[f64,f64] -> i32`
`f64.ne`	`[f64,f64] -> i32`
`f64.lt`	`[f64,f64] -> i32`
`f64.gt`	`[f64,f64] -> i32`
`f64.le`	`[f64,f64] -> i32`
`f64.ge`	`[f64,f64] -> i32`
`f64.abs`	`[f64] -> f64`
`f64.neg`	`[f64] -> f64`
`f64.ceil`	`[f64] -> f64`
`f64.floor`	`[f64] -> f64`
`f64.trunc`	`[f64] -> f64`
`f64.nearest`	`[f64] -> f64`
`f64.sqrt`	`[f64] -> f64`
`f64.add`	`[f64,f64] -> f64`
`f64.sub`	`[f64,f64] -> f64`
`f64.mul`	`[f64,f64] -> f64`
`f64.div`	`[f64,f64] -> f64`
`f64.min`	`[f64,f64] -> f64`
`f64.max`	`[f64,f64] -> f64`
`f64.copysign`	`[f64,f64] -> f64`

casting, 6 ops

Op	Signature
`i64.trunc_f64_s`	`[f64] -> i64`
`i64.trunc_f64_u`	`[f64] -> i64`
`f64.convert_i64_s`	`[i64] -> f64`
`f64.convert_i64_u`	`[i64] -> f64`
`f64.reinterpret_i64`	`[i64] -> f64`
`i64.reinterpret_f64`	`[f64] -> i64`

Author

johnchandlerburnham commented Dec 5, 2019 •

edited

Loading

wasm minimalest

Op	Signature	Description
`UNA`	`[i64, i64] -> i64`	see `UNA`
`UNA`	`[i64, f64] -> i64`	see `UNA`
`UNA`	`[i64, i64] -> f64`	see `UNA`
`UNA`	`[i64, f64] -> f64`	see `UNA`
`CMP`	`[i64,i64] -> f64`	see `CMP`
`CMP`	`[f64,f64] -> f64`	see `CMP`
`ADD`	`[i64,i64] -> i64`	`i64.add`
`ADD`	`[f64,f64] -> f64`	`f64.add`
`SUB`	`[i64,i64] -> i64`	`i64.add`
`SUB`	`[f64,f64] -> f64`	`f64.sub`
`MUL`	`[i64,i64] -> i64`	`i64.mul`
`MUL`	`[f64,f64] -> f64`	`f64.mul`
`DIV`	`[i64,i64] -> i64`	`i64.div_u`
`DIV`	`[f64,f64] -> f64`	`f64.div`
`NOR`	`[i64,i64] -> i64`	`i64.neg (i64.or x y)`
`XOR`	`[i64,i64] -> i64`	`i64.xor`

CMP

EQ = 0
LT = 1
GT = 2
NANA = 3
NANB = 4

CMP(a : i64, b : i64) : i64
  if   i64.eq a b then EQ
  elif i64.lt_u a then LT
  else GT

CMP(a : f64, b : f64) : i64
  if   f64.ne a a then NANA
  if   f64.ne b b then NANB
  elif f64.eq a b then EQ
  elif f64.lt a b then LT
  else GT

UNA

CODE	Signature	Description
CNVU	`i64 -> f64`	`f64.convert_i64_u`
CNVS	`i64 -> f64`	`f64.convert_i64_s`
TRNU	`f64 -> i64`	`i64.trunc_f64_u`
TRNS	`f64 -> i64`	`i64.trunc_f64_s`
CAST	`f64 -> i64`	`i64.reinterpret_f64`
CAST	`i64 -> f64`	`f64.reinterpret_i64`
NRST	`f64 -> f64`	`f64.nearest`
SQRT	`f64 -> f64`	`f64.sqrt`
FEXP	`f64 -> f64`	`e^x`
FLOG	`f64 -> f64`	`ln(x)`

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