Add special test case for i16x8.relaxed_laneselect

WebAssembly · Sep 7, 2023 · cd9c447 · cd9c447
1 parent f7e861c
commit cd9c447
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/test/core/relaxed-simd/relaxed_laneselect.wast b/test/core/relaxed-simd/relaxed_laneselect.wast
@@ -39,6 +39,16 @@
                (either (v128.const i16x8 0      9 0x1278 0x5634 12 13 14 15)
                        (v128.const i16x8 0      9 0x1234 0x5678 12 13 14 15)))
 
+;; special case for i16x8 to allow pblendvb
+(assert_return (invoke "i16x8.relaxed_laneselect"
+                       (v128.const i16x8 0      1 0x1234 0x1234 4 5 6 7)
+                       (v128.const i16x8 8      9 0x5678 0x5678 12 13 14 15)
+                       (v128.const i16x8 0xffff 0 0xff00 0x0080 0 0 0 0))  ;; 0x0080 is the special case
+               (either (v128.const i16x8 0      9 0x1278 0x5678 12 13 14 15)  ;; bitselect
+                       (v128.const i16x8 0      9 0x1234 0x5678 12 13 14 15)  ;; top bit of i16 lane examined
+                       (v128.const i16x8 0      9 0x1278 0x5634 12 13 14 15)  ;; top bit of each byte
+                       ))
+
 (assert_return (invoke "i32x4.relaxed_laneselect"
                        (v128.const i32x4 0          1 0x12341234 0x12341234)
                        (v128.const i32x4 4          5 0x56785678 0x56785678)