forked from WebAssembly/binaryen
/
endianness.wast
217 lines (175 loc) · 9.85 KB
/
endianness.wast
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(module
(memory 1)
;; Stores an i16 value in little-endian-format
(func $i16_store_little (param $address i32) (param $value i32)
(i32.store8 (local.get $address) (local.get $value))
(i32.store8 (i32.add (local.get $address) (i32.const 1)) (i32.shr_u (local.get $value) (i32.const 8)))
)
;; Stores an i32 value in little-endian format
(func $i32_store_little (param $address i32) (param $value i32)
(call $i16_store_little (local.get $address) (local.get $value))
(call $i16_store_little (i32.add (local.get $address) (i32.const 2)) (i32.shr_u (local.get $value) (i32.const 16)))
)
;; Stores an i64 value in little-endian format
(func $i64_store_little (param $address i32) (param $value i64)
(call $i32_store_little (local.get $address) (i32.wrap_i64 (local.get $value)))
(call $i32_store_little (i32.add (local.get $address) (i32.const 4)) (i32.wrap_i64 (i64.shr_u (local.get $value) (i64.const 32))))
)
;; Loads an i16 value in little-endian format
(func $i16_load_little (param $address i32) (result i32)
(i32.or
(i32.load8_u (local.get $address))
(i32.shl (i32.load8_u (i32.add (local.get $address) (i32.const 1))) (i32.const 8))
)
)
;; Loads an i32 value in little-endian format
(func $i32_load_little (param $address i32) (result i32)
(i32.or
(call $i16_load_little (local.get $address))
(i32.shl (call $i16_load_little (i32.add (local.get $address) (i32.const 2))) (i32.const 16))
)
)
;; Loads an i64 value in little-endian format
(func $i64_load_little (param $address i32) (result i64)
(i64.or
(i64.extend_i32_u (call $i32_load_little (local.get $address)))
(i64.shl (i64.extend_i32_u (call $i32_load_little (i32.add (local.get $address) (i32.const 4)))) (i64.const 32))
)
)
(func (export "i32_load16_s") (param $value i32) (result i32)
(call $i16_store_little (i32.const 0) (local.get $value))
(i32.load16_s (i32.const 0))
)
(func (export "i32_load16_u") (param $value i32) (result i32)
(call $i16_store_little (i32.const 0) (local.get $value))
(i32.load16_u (i32.const 0))
)
(func (export "i32_load") (param $value i32) (result i32)
(call $i32_store_little (i32.const 0) (local.get $value))
(i32.load (i32.const 0))
)
(func (export "i64_load16_s") (param $value i64) (result i64)
(call $i16_store_little (i32.const 0) (i32.wrap_i64 (local.get $value)))
(i64.load16_s (i32.const 0))
)
(func (export "i64_load16_u") (param $value i64) (result i64)
(call $i16_store_little (i32.const 0) (i32.wrap_i64 (local.get $value)))
(i64.load16_u (i32.const 0))
)
(func (export "i64_load32_s") (param $value i64) (result i64)
(call $i32_store_little (i32.const 0) (i32.wrap_i64 (local.get $value)))
(i64.load32_s (i32.const 0))
)
(func (export "i64_load32_u") (param $value i64) (result i64)
(call $i32_store_little (i32.const 0) (i32.wrap_i64 (local.get $value)))
(i64.load32_u (i32.const 0))
)
(func (export "i64_load") (param $value i64) (result i64)
(call $i64_store_little (i32.const 0) (local.get $value))
(i64.load (i32.const 0))
)
(func (export "f32_load") (param $value f32) (result f32)
(call $i32_store_little (i32.const 0) (i32.reinterpret_f32 (local.get $value)))
(f32.load (i32.const 0))
)
(func (export "f64_load") (param $value f64) (result f64)
(call $i64_store_little (i32.const 0) (i64.reinterpret_f64 (local.get $value)))
(f64.load (i32.const 0))
)
(func (export "i32_store16") (param $value i32) (result i32)
(i32.store16 (i32.const 0) (local.get $value))
(call $i16_load_little (i32.const 0))
)
(func (export "i32_store") (param $value i32) (result i32)
(i32.store (i32.const 0) (local.get $value))
(call $i32_load_little (i32.const 0))
)
(func (export "i64_store16") (param $value i64) (result i64)
(i64.store16 (i32.const 0) (local.get $value))
(i64.extend_i32_u (call $i16_load_little (i32.const 0)))
)
(func (export "i64_store32") (param $value i64) (result i64)
(i64.store32 (i32.const 0) (local.get $value))
(i64.extend_i32_u (call $i32_load_little (i32.const 0)))
)
(func (export "i64_store") (param $value i64) (result i64)
(i64.store (i32.const 0) (local.get $value))
(call $i64_load_little (i32.const 0))
)
(func (export "f32_store") (param $value f32) (result f32)
(f32.store (i32.const 0) (local.get $value))
(f32.reinterpret_i32 (call $i32_load_little (i32.const 0)))
)
(func (export "f64_store") (param $value f64) (result f64)
(f64.store (i32.const 0) (local.get $value))
(f64.reinterpret_i64 (call $i64_load_little (i32.const 0)))
)
)
(assert_return (invoke "i32_load16_s" (i32.const -1)) (i32.const -1))
(assert_return (invoke "i32_load16_s" (i32.const -4242)) (i32.const -4242))
(assert_return (invoke "i32_load16_s" (i32.const 42)) (i32.const 42))
(assert_return (invoke "i32_load16_s" (i32.const 0x3210)) (i32.const 0x3210))
(assert_return (invoke "i32_load16_u" (i32.const -1)) (i32.const 0xFFFF))
(assert_return (invoke "i32_load16_u" (i32.const -4242)) (i32.const 61294))
(assert_return (invoke "i32_load16_u" (i32.const 42)) (i32.const 42))
(assert_return (invoke "i32_load16_u" (i32.const 0xCAFE)) (i32.const 0xCAFE))
(assert_return (invoke "i32_load" (i32.const -1)) (i32.const -1))
(assert_return (invoke "i32_load" (i32.const -42424242)) (i32.const -42424242))
(assert_return (invoke "i32_load" (i32.const 42424242)) (i32.const 42424242))
(assert_return (invoke "i32_load" (i32.const 0xABAD1DEA)) (i32.const 0xABAD1DEA))
(assert_return (invoke "i64_load16_s" (i64.const -1)) (i64.const -1))
(assert_return (invoke "i64_load16_s" (i64.const -4242)) (i64.const -4242))
(assert_return (invoke "i64_load16_s" (i64.const 42)) (i64.const 42))
(assert_return (invoke "i64_load16_s" (i64.const 0x3210)) (i64.const 0x3210))
(assert_return (invoke "i64_load16_u" (i64.const -1)) (i64.const 0xFFFF))
(assert_return (invoke "i64_load16_u" (i64.const -4242)) (i64.const 61294))
(assert_return (invoke "i64_load16_u" (i64.const 42)) (i64.const 42))
(assert_return (invoke "i64_load16_u" (i64.const 0xCAFE)) (i64.const 0xCAFE))
(assert_return (invoke "i64_load32_s" (i64.const -1)) (i64.const -1))
(assert_return (invoke "i64_load32_s" (i64.const -42424242)) (i64.const -42424242))
(assert_return (invoke "i64_load32_s" (i64.const 42424242)) (i64.const 42424242))
(assert_return (invoke "i64_load32_s" (i64.const 0x12345678)) (i64.const 0x12345678))
(assert_return (invoke "i64_load32_u" (i64.const -1)) (i64.const 0xFFFFFFFF))
(assert_return (invoke "i64_load32_u" (i64.const -42424242)) (i64.const 4252543054))
(assert_return (invoke "i64_load32_u" (i64.const 42424242)) (i64.const 42424242))
(assert_return (invoke "i64_load32_u" (i64.const 0xABAD1DEA)) (i64.const 0xABAD1DEA))
(assert_return (invoke "i64_load" (i64.const -1)) (i64.const -1))
(assert_return (invoke "i64_load" (i64.const -42424242)) (i64.const -42424242))
(assert_return (invoke "i64_load" (i64.const 0xABAD1DEA)) (i64.const 0xABAD1DEA))
(assert_return (invoke "i64_load" (i64.const 0xABADCAFEDEAD1DEA)) (i64.const 0xABADCAFEDEAD1DEA))
(assert_return (invoke "f32_load" (f32.const -1)) (f32.const -1))
(assert_return (invoke "f32_load" (f32.const 1234e-5)) (f32.const 1234e-5))
(assert_return (invoke "f32_load" (f32.const 4242.4242)) (f32.const 4242.4242))
(assert_return (invoke "f32_load" (f32.const 0x1.fffffep+127)) (f32.const 0x1.fffffep+127))
(assert_return (invoke "f64_load" (f64.const -1)) (f64.const -1))
(assert_return (invoke "f64_load" (f64.const 123456789e-5)) (f64.const 123456789e-5))
(assert_return (invoke "f64_load" (f64.const 424242.424242)) (f64.const 424242.424242))
(assert_return (invoke "f64_load" (f64.const 0x1.fffffffffffffp+1023)) (f64.const 0x1.fffffffffffffp+1023))
(assert_return (invoke "i32_store16" (i32.const -1)) (i32.const 0xFFFF))
(assert_return (invoke "i32_store16" (i32.const -4242)) (i32.const 61294))
(assert_return (invoke "i32_store16" (i32.const 42)) (i32.const 42))
(assert_return (invoke "i32_store16" (i32.const 0xCAFE)) (i32.const 0xCAFE))
(assert_return (invoke "i32_store" (i32.const -1)) (i32.const -1))
(assert_return (invoke "i32_store" (i32.const -4242)) (i32.const -4242))
(assert_return (invoke "i32_store" (i32.const 42424242)) (i32.const 42424242))
(assert_return (invoke "i32_store" (i32.const 0xDEADCAFE)) (i32.const 0xDEADCAFE))
(assert_return (invoke "i64_store16" (i64.const -1)) (i64.const 0xFFFF))
(assert_return (invoke "i64_store16" (i64.const -4242)) (i64.const 61294))
(assert_return (invoke "i64_store16" (i64.const 42)) (i64.const 42))
(assert_return (invoke "i64_store16" (i64.const 0xCAFE)) (i64.const 0xCAFE))
(assert_return (invoke "i64_store32" (i64.const -1)) (i64.const 0xFFFFFFFF))
(assert_return (invoke "i64_store32" (i64.const -4242)) (i64.const 4294963054))
(assert_return (invoke "i64_store32" (i64.const 42424242)) (i64.const 42424242))
(assert_return (invoke "i64_store32" (i64.const 0xDEADCAFE)) (i64.const 0xDEADCAFE))
(assert_return (invoke "i64_store" (i64.const -1)) (i64.const -1))
(assert_return (invoke "i64_store" (i64.const -42424242)) (i64.const -42424242))
(assert_return (invoke "i64_store" (i64.const 0xABAD1DEA)) (i64.const 0xABAD1DEA))
(assert_return (invoke "i64_store" (i64.const 0xABADCAFEDEAD1DEA)) (i64.const 0xABADCAFEDEAD1DEA))
(assert_return (invoke "f32_store" (f32.const -1)) (f32.const -1))
(assert_return (invoke "f32_store" (f32.const 1234e-5)) (f32.const 1234e-5))
(assert_return (invoke "f32_store" (f32.const 4242.4242)) (f32.const 4242.4242))
(assert_return (invoke "f32_store" (f32.const 0x1.fffffep+127)) (f32.const 0x1.fffffep+127))
(assert_return (invoke "f64_store" (f64.const -1)) (f64.const -1))
(assert_return (invoke "f64_store" (f64.const 123456789e-5)) (f64.const 123456789e-5))
(assert_return (invoke "f64_store" (f64.const 424242.424242)) (f64.const 424242.424242))
(assert_return (invoke "f64_store" (f64.const 0x1.fffffffffffffp+1023)) (f64.const 0x1.fffffffffffffp+1023))