i64x2.gt_s, i64x2.lt_s, i64x2.ge_s, and i64x2.le_s instructions (#412)

Author: Maratyszcza

proposals/simd/BinarySIMD.md

@@ -251,6 +251,10 @@ For example, `ImmLaneIdx16` is a byte with values in the range 0-15 (inclusive).
 | `v128.store64_lane`             |     `TBD`| m:memarg, i:ImmLaneIdx2  |
 | `i64x2.eq`                      |     `TBD`| -                        |
 | `i64x2.ne`                      |     `TBD`| -                        |
+| `i64x2.lt_s`                    |     `TBD`| -                        |
+| `i64x2.gt_s`                    |     `TBD`| -                        |
+| `i64x2.le_s`                    |     `TBD`| -                        |
+| `i64x2.ge_s`                    |     `TBD`| -                        |
 | `i64x2.all_true`                |     `TBD`| -                        |
 | `f64x2.convert_low_i32x4_s`     |     `TBD`| -                        |
 | `f64x2.convert_low_i32x4_u`     |     `TBD`| -                        |
@@ -262,4 +266,4 @@ For example, `ImmLaneIdx16` is a byte with values in the range 0-15 (inclusive).
 | `i16x8.extadd_pairwise_i8x16_s` |     `TBD`| -                        |
 | `i16x8.extadd_pairwise_i8x16_u` |     `TBD`| -                        |
 | `i32x4.extadd_pairwise_i16x8_s` |     `TBD`| -                        |
-| `i32x4.extadd_pairwise_i16x8_u` |     `TBD`| -                        |
+| `i32x4.extadd_pairwise_i16x8_u` |     `TBD`| -                        |

proposals/simd/ImplementationStatus.md

@@ -231,6 +231,10 @@
 | `i16x8.extadd_pairwise_i8x16_u` |                           |                    |                    |                    |                    |
 | `i32x4.extadd_pairwise_i16x8_s` |                           |                    |                    |                    |                    |
 | `i32x4.extadd_pairwise_i16x8_u` |                           |                    |                    |                    |                    |
+| `i64x2.lt_s`                    |                           |                    |                    |                    |                    |
+| `i64x2.gt_s`                    |                           |                    |                    |                    |                    |
+| `i64x2.le_s`                    |                           |                    |                    |                    |                    |
+| `i64x2.ge_s`                    |                           |                    |                    |                    |                    |
 
 [1] Tip of tree LLVM as of May 20, 2020
 

proposals/simd/SIMD.md

@@ -787,6 +787,7 @@ def S.ne(a, b):
 * `i16x8.lt_u(a: v128, b: v128) -> v128`
 * `i32x4.lt_s(a: v128, b: v128) -> v128`
 * `i32x4.lt_u(a: v128, b: v128) -> v128`
+* `i64x2.lt_s(a: v128, b: v128) -> v128`
 * `f32x4.lt(a: v128, b: v128) -> v128`
 * `f64x2.lt(a: v128, b: v128) -> v128`
 
@@ -797,6 +798,7 @@ def S.ne(a, b):
 * `i16x8.le_u(a: v128, b: v128) -> v128`
 * `i32x4.le_s(a: v128, b: v128) -> v128`
 * `i32x4.le_u(a: v128, b: v128) -> v128`
+* `i64x2.le_s(a: v128, b: v128) -> v128`
 * `f32x4.le(a: v128, b: v128) -> v128`
 * `f64x2.le(a: v128, b: v128) -> v128`
 
@@ -807,6 +809,7 @@ def S.ne(a, b):
 * `i16x8.gt_u(a: v128, b: v128) -> v128`
 * `i32x4.gt_s(a: v128, b: v128) -> v128`
 * `i32x4.gt_u(a: v128, b: v128) -> v128`
+* `i64x2.gt_s(a: v128, b: v128) -> v128`
 * `f32x4.gt(a: v128, b: v128) -> v128`
 * `f64x2.gt(a: v128, b: v128) -> v128`
 
@@ -817,6 +820,7 @@ def S.ne(a, b):
 * `i16x8.ge_u(a: v128, b: v128) -> v128`
 * `i32x4.ge_s(a: v128, b: v128) -> v128`
 * `i32x4.ge_u(a: v128, b: v128) -> v128`
+* `i64x2.ge_s(a: v128, b: v128) -> v128`
 * `f32x4.ge(a: v128, b: v128) -> v128`
 * `f64x2.ge(a: v128, b: v128) -> v128`