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Simplify more LuaJIT functions

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This commit is contained in:
Rerumu 2021-12-19 22:09:41 -05:00
parent d6461d574a
commit cea3cca7c7
1 changed files with 8 additions and 9 deletions
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17
wasm/runtime/luajit.lua
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@ -25,16 +25,17 @@ do
local mul = {} local mul = {}
local div = {} local div = {}
local num_meta = debug.getmetatable(i64)
local to_signed = bit.tobit local to_signed = bit.tobit
function add.i32(a, b) return (to_signed(a + b)) end function add.i32(a, b) return (to_signed(a + b)) end
function add.i64(a, b) return a + b end add.i64 = num_meta.__add
function sub.i32(a, b) return (to_signed(a - b)) end function sub.i32(a, b) return (to_signed(a - b)) end
function sub.i64(a, b) return a - b end sub.i64 = num_meta.__sub
function mul.i32(a, b) return (to_signed(a * b)) end function mul.i32(a, b) return (to_signed(a * b)) end
function mul.i64(a, b) return a * b end mul.i64 = num_meta.__mul
function div.i32(lhs, rhs) function div.i32(lhs, rhs)
assert(rhs ~= 0, 'division by zero') assert(rhs ~= 0, 'division by zero')
@ -199,8 +200,6 @@ do
double f64; double f64;
}]] }]]
local function truncate_i64(num) return (i64(truncate(num))) end
function wrap.i32_i64(num) function wrap.i32_i64(num)
RE_INSTANCE.i64 = num RE_INSTANCE.i64 = num
@ -211,10 +210,10 @@ do
trunc.i32_f64 = truncate trunc.i32_f64 = truncate
trunc.u32_f32 = truncate trunc.u32_f32 = truncate
trunc.u32_f64 = truncate trunc.u32_f64 = truncate
trunc.i64_f32 = truncate_i64 trunc.i64_f32 = i64
trunc.i64_f64 = truncate_i64 trunc.i64_f64 = i64
trunc.u64_f32 = truncate_i64 trunc.u64_f32 = i64
trunc.u64_f64 = truncate_i64 trunc.u64_f64 = i64
extend.i64_i32 = i64 extend.i64_i32 = i64