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Merge pull request #48 from yurydelendik/sm-status
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Report status of SpiderMonkey implemention
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ngzhian committed Nov 5, 2021
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## Implementation in LLVM and various engines

| Instruction | LLVM [1] | V8 [2] | SpiderMonkey |
|------------------------------------|----------------|--------------------|--------------|
| `relaxed i8x16.swizzle` | -mrelaxed-simd | :heavy_check_mark: | |
| `relaxed i32x4.trunc_f32x4_s` | -mrelaxed-simd | :heavy_check_mark: | |
| `relaxed i32x4.trunc_f32x4_u` | -mrelaxed-simd | :heavy_check_mark: | |
| `relaxed i32x4.trunc_f64x2_s_zero` | -mrelaxed-simd | :heavy_check_mark: | |
| `relaxed i32x4.trunc_f64x2_u_zero` | -mrelaxed-simd | :heavy_check_mark: | |
| `f32x4.fma` | -mrelaxed-simd | :heavy_check_mark: | |
| `f32x4.fms` | -mrelaxed-simd | :heavy_check_mark: | |
| `f64x2.fma` | -mrelaxed-simd | :heavy_check_mark: | |
| `f64x2.fms` | -mrelaxed-simd | :heavy_check_mark: | |
| `i8x16.laneselect` | -mrelaxed-simd | :heavy_check_mark: | |
| `i16x8.laneselect` | -mrelaxed-simd | :heavy_check_mark: | |
| `i32x4.laneselect` | -mrelaxed-simd | :heavy_check_mark: | |
| `i64x2.laneselect` | -mrelaxed-simd | :heavy_check_mark: | |
| `f32x4.min` | -mrelaxed-simd | :heavy_check_mark: | |
| `f32x4.max` | -mrelaxed-simd | :heavy_check_mark: | |
| `f64x2.min` | -mrelaxed-simd | :heavy_check_mark: | |
| `f64x2.max` | -mrelaxed-simd | :heavy_check_mark: | |
| Instruction | LLVM [1] | V8 [2] | SpiderMonkey [3] |
|------------------------------------|----------------|--------------------|--------------------|
| `relaxed i8x16.swizzle` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `relaxed i32x4.trunc_f32x4_s` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `relaxed i32x4.trunc_f32x4_u` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `relaxed i32x4.trunc_f64x2_s_zero` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `relaxed i32x4.trunc_f64x2_u_zero` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f32x4.fma` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f32x4.fms` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f64x2.fma` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f64x2.fms` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `i8x16.laneselect` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `i16x8.laneselect` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `i32x4.laneselect` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `i64x2.laneselect` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f32x4.min` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f32x4.max` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f64x2.min` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |
| `f64x2.max` | -mrelaxed-simd | :heavy_check_mark: | :heavy_check_mark: |

[1] Tip of tree LLVM as of 2021-10-28

[2] V8 9.7.75 (only implemented on x64)

[3] SpiderMonkey as of 2021-10-18 implemented on x86, x64 and Aarch64

## Name of builtins in LLVM

| Instruction | LLVM |
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