[wasm-simd][arm] Fix incorrect comment in pmin/pmax

Change-Id: Ibd414806c5f8688486fec169d523876d0ef74c8f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2415047Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70002}

src/compiler/backend/arm/code-generator-arm.cc

@@ -2026,7 +2026,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       Simd128Register rhs = i.InputSimd128Register(1);
       DCHECK_EQ(dst, lhs);
 
-      // Move rhs only when rhs is strictly greater (mi).
+      // Move rhs only when rhs is strictly lesser (mi).
       __ VFPCompareAndSetFlags(rhs.low(), lhs.low());
       __ vmov(dst.low(), rhs.low(), mi);
       __ VFPCompareAndSetFlags(rhs.high(), lhs.high());
@@ -2039,7 +2039,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       Simd128Register rhs = i.InputSimd128Register(1);
       DCHECK_EQ(dst, lhs);
 
-      // Move rhs only when rhs is strictly greater (mi).
+      // Move rhs only when rhs is strictly greater (gt).
       __ VFPCompareAndSetFlags(rhs.low(), lhs.low());
       __ vmov(dst.low(), rhs.low(), gt);
       __ VFPCompareAndSetFlags(rhs.high(), lhs.high());