[loong64][mips][wasm-simd] Prototype Relaxed Rounding Q-format Multiplication

Port commit fe443a4e

Bug: v8:12284
Change-Id: I242c4161ecff09fd7bcfeda27560a6c881c87d09
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3641034
Auto-Submit: Yu Liu <liuyu@loongson.cn>
Commit-Queue: Yu Liu <liuyu@loongson.cn>
Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/main@{#80483}

src/wasm/baseline/loong64/liftoff-assembler-loong64.h

@@ -1821,6 +1821,13 @@ void LiftoffAssembler::emit_i8x16_relaxed_swizzle(LiftoffRegister dst,
   bailout(kSimd, "emit_i8x16_relaxed_swizzle");
 }
 
+void LiftoffAssembler::emit_s128_relaxed_laneselect(LiftoffRegister dst,
+                                                    LiftoffRegister src1,
+                                                    LiftoffRegister src2,
+                                                    LiftoffRegister mask) {
+  bailout(kSimd, "emit_s128_relaxed_laneselect");
+}
+
 void LiftoffAssembler::emit_i8x16_splat(LiftoffRegister dst,
                                         LiftoffRegister src) {
   bailout(kSimd, "emit_i8x16_splat");
@@ -1890,6 +1897,12 @@ void LiftoffAssembler::emit_i16x8_q15mulr_sat_s(LiftoffRegister dst,
   bailout(kSimd, "emit_i16x8_q15mulr_sat_s");
 }
 
+void LiftoffAssembler::emit_relaxed_i16x8_q15mulr_s(LiftoffRegister dst,
+                                                    LiftoffRegister src1,
+                                                    LiftoffRegister src2) {
+  bailout(kSimd, "emit_relaxed_i16x8_q15mulr_s");
+}
+
 void LiftoffAssembler::emit_i8x16_eq(LiftoffRegister dst, LiftoffRegister lhs,
                                      LiftoffRegister rhs) {
   bailout(kSimd, "emit_i8x16_eq");
@@ -3139,13 +3152,6 @@ void LiftoffStackSlots::Construct(int param_slots) {
   }
 }
 
-void LiftoffAssembler::emit_s128_relaxed_laneselect(LiftoffRegister dst,
-                                                    LiftoffRegister src1,
-                                                    LiftoffRegister src2,
-                                                    LiftoffRegister mask) {
-  bailout(kSimd, "emit_s128_relaxed_laneselect");
-}
-
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8

src/wasm/baseline/mips/liftoff-assembler-mips.h

@@ -1912,6 +1912,12 @@ void LiftoffAssembler::emit_i16x8_q15mulr_sat_s(LiftoffRegister dst,
   bailout(kSimd, "i16x8_q15mulr_sat_s");
 }
 
+void LiftoffAssembler::emit_relaxed_i16x8_q15mulr_s(LiftoffRegister dst,
+                                                    LiftoffRegister src1,
+                                                    LiftoffRegister src2) {
+  bailout(kSimd, "emit_relaxed_i16x8_q15mulr_s");
+}
+
 void LiftoffAssembler::emit_i8x16_eq(LiftoffRegister dst, LiftoffRegister lhs,
                                      LiftoffRegister rhs) {
   bailout(kSimd, "emit_i8x16_eq");

src/wasm/baseline/mips64/liftoff-assembler-mips64.h

@@ -2235,6 +2235,12 @@ void LiftoffAssembler::emit_i16x8_q15mulr_sat_s(LiftoffRegister dst,
   mulr_q_h(dst.fp().toW(), src1.fp().toW(), src2.fp().toW());
 }
 
+void LiftoffAssembler::emit_relaxed_i16x8_q15mulr_s(LiftoffRegister dst,
+                                                    LiftoffRegister src1,
+                                                    LiftoffRegister src2) {
+  bailout(kSimd, "emit_relaxed_i16x8_q15mulr_s");
+}
+
 void LiftoffAssembler::emit_i8x16_eq(LiftoffRegister dst, LiftoffRegister lhs,
                                      LiftoffRegister rhs) {
   ceq_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());