test : repair codegen/simd mask instructions test

Fixes #80199.

Change-Id: I33d0f5f393a21c60eae8909bb10fa5c2391f13b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/796560
Auto-Submit: Junyang Shao <shaojunyang@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Commit-Queue: Junyang Shao <shaojunyang@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Junyang Shao <shaojunyang@google.com>

test/codegen/simd.go

diff --git a/test/codegen/simd.go b/test/codegen/simd.go
index 6c404a4..78764f5 100644
--- a/test/codegen/simd.go
+++ b/test/codegen/simd.go
@@ -113,25 +113,25 @@
 
 func aLtbLtc8_avx512(a, b, c archsimd.Int8x64) archsimd.Mask8x64 {
 	// the vector length implies AVX512 implies the mask operations.
-	// amd64:`KANDB`
+	// amd64:`KANDQ`
 	return a.Less(b).And(b.Less(c))
 }
 
 func aLtbORbLtc8_avx512(a, b, c archsimd.Int8x64) archsimd.Mask8x64 {
 	// the vector length implies AVX512 implies the mask operations.
-	// amd64:`KORB`
+	// amd64:`KORQ`
 	return a.Less(b).Or(b.Less(c))
 }
 
 func aLtbLtc64_avx512(a, b, c archsimd.Int64x8) archsimd.Mask64x8 {
 	// the vector length implies AVX512 implies the mask operations.
-	// amd64:`KANDQ`
+	// amd64:`KANDB`
 	return a.Less(b).And(b.Less(c))
 }
 
 func aLtbORbLtc64_avx512(a, b, c archsimd.Int64x8) archsimd.Mask64x8 {
 	// the vector length implies AVX512 implies the mask operations.
-	// amd64:`KORQ`
+	// amd64:`KORB`
 	return a.Less(b).Or(b.Less(c))
 }