proposals/simd/ImplementationStatus.md

current

Instruction	LLVM[1]	V8[2]	ChakraCore[4]	SpiderMonkey[5]
`v128.load`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`v128.load8x8_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load8x8_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load16x4_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load16x4_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load32x2_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load32x2_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load8_splat`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load16_splat`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load32_splat`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load64_splat`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.store`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`v128.const`	`-munimplemented-simd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.shuffle`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.swizzle`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.splat`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.splat`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.splat`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.splat`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.splat`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.splat`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.extract_lane_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.extract_lane_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.replace_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.extract_lane_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.extract_lane_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.replace_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.extract_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.replace_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.extract_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.replace_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.extract_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.replace_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.extract_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.replace_lane`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.eq`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.ne`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.lt_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.lt_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.gt_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.gt_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.le_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.le_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.ge_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.ge_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.eq`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.ne`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.lt_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.lt_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.gt_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.gt_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.le_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.le_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.ge_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.ge_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.eq`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.ne`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.lt_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.lt_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.gt_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.gt_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.le_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.le_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.ge_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.ge_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.eq`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.ne`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.lt`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.gt`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.le`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.ge`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.eq`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.ne`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.lt`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.gt`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.le`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.ge`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`v128.not`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`v128.and`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`v128.andnot`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.or`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`v128.xor`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`v128.bitselect`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.abs`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.neg`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.all_true`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.bitmask`	`-munimplemented-simd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.narrow_i16x8_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.narrow_i16x8_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.shl`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.shr_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.shr_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.add`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.add_sat_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.add_sat_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.sub`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.sub_sat_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.sub_sat_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i8x16.min_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.min_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.max_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.max_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i8x16.avgr_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.abs`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.neg`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.all_true`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.bitmask`	`-munimplemented-simd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.narrow_i32x4_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.narrow_i32x4_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.extend_low_i8x16_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.extend_high_i8x16_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.extend_low_i8x16_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.extend_high_i8x16_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.shl`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.shr_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.shr_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.add`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.add_sat_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.add_sat_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.sub`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.sub_sat_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.sub_sat_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.mul`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i16x8.min_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.min_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.max_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.max_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.avgr_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i16x8.q15mulr_sat_s`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.abs`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.neg`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.all_true`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.bitmask`	`-munimplemented-simd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.extend_low_i16x8_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.extend_high_i16x8_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.extend_low_i16x8_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.extend_high_i16x8_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.shl`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.shr_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.shr_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.add`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.sub`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.mul`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.min_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.min_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.max_s`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.max_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i32x4.dot_i16x8_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.eq`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.abs`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.neg`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.all_true`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.bitmask`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.shl`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.shr_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.shr_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.add`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.sub`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i64x2.mul`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`i64x2.extend_low_i32x4_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.extend_high_i32x4_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.extend_low_i32x4_u`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.extend_high_i32x4_u`		:heavy_check_mark:		:heavy_check_mark:
`f32x4.abs`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.neg`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.sqrt`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.add`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.sub`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.mul`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.div`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.min`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.max`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.pmin`		:heavy_check_mark:		:heavy_check_mark:
`f32x4.pmax`		:heavy_check_mark:		:heavy_check_mark:
`f32x4.ceil`		:heavy_check_mark:		:heavy_check_mark:
`f32x4.floor`		:heavy_check_mark:		:heavy_check_mark:
`f32x4.trunc`		:heavy_check_mark:		:heavy_check_mark:
`f32x4.nearest`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.abs`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.neg`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.sqrt`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.add`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.sub`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.mul`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.div`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.min`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.max`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f64x2.pmin`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.pmax`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.ceil`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.floor`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.trunc`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.nearest`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.trunc_sat_f32x4_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`i32x4.trunc_sat_f32x4_u`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.convert_i32x4_s`	`-msimd128`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
`f32x4.convert_i32x4_u`	`-msimd128`	:heavy_check_mark:		:heavy_check_mark:
`v128.load32_zero`		:heavy_check_mark:		:heavy_check_mark:
`v128.load64_zero`		:heavy_check_mark:		:heavy_check_mark:
`i16x8.extmul_low_i8x16_s`		:heavy_check_mark:		:heavy_check_mark:
`i16x8.extmul_high_i8x16_s`		:heavy_check_mark:		:heavy_check_mark:
`i16x8.extmul_low_i8x16_u`		:heavy_check_mark:		:heavy_check_mark:
`i16x8.extmul_high_i8x16_u`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.extmul_low_i16x8_s`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.extmul_high_i16x8_s`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.extmul_low_i16x8_u`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.extmul_high_i16x8_u`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.extmul_low_i32x4_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.extmul_high_i32x4_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.extmul_low_i32x4_u`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.extmul_high_i32x4_u`		:heavy_check_mark:		:heavy_check_mark:
`v128.any_true`		:heavy_check_mark:		:heavy_check_mark:
`v128.load8_lane`		:heavy_check_mark:		:heavy_check_mark:
`v128.load16_lane`		:heavy_check_mark:		:heavy_check_mark:
`v128.load32_lane`		:heavy_check_mark:		:heavy_check_mark:
`v128.load64_lane`		:heavy_check_mark:		:heavy_check_mark:
`v128.store8_lane`		:heavy_check_mark:		:heavy_check_mark:
`v128.store16_lane`		:heavy_check_mark:		:heavy_check_mark:
`v128.store32_lane`		:heavy_check_mark:		:heavy_check_mark:
`v128.store64_lane`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.ne`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.convert_low_i32x4_s`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.convert_low_i32x4_u`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.trunc_sat_f64x2_s_zero`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.trunc_sat_f64x2_u_zero`		:heavy_check_mark:		:heavy_check_mark:
`f32x4.demote_f64x2_zero`		:heavy_check_mark:		:heavy_check_mark:
`f64x2.promote_low_f32x4`		:heavy_check_mark:		:heavy_check_mark:
`i8x16.popcnt`		:heavy_check_mark:		:heavy_check_mark:
`i16x8.extadd_pairwise_i8x16_s`		:heavy_check_mark:		:heavy_check_mark:
`i16x8.extadd_pairwise_i8x16_u`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.extadd_pairwise_i16x8_s`		:heavy_check_mark:		:heavy_check_mark:
`i32x4.extadd_pairwise_i16x8_u`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.lt_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.gt_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.le_s`		:heavy_check_mark:		:heavy_check_mark:
`i64x2.ge_s`		:heavy_check_mark:		:heavy_check_mark:

[1] Tip of tree LLVM as of May 20, 2020

[2] V8 9.1.0.

[3] Not known to be updated after latest renumbering. Requires flag --enable simd

[4] Only in 1.12.* (development branch). Requires (case-insensitive) flag -wasmsimd

[5] Firefox x64/x86 (SSE4.1+ only) from FF89, ARM64 from FF90. Earlier versions control in about:config under javascript.options.wasm_simd