[wasm-relaxed-simd] Liftoff prototypes for Arm Trunc/Sat operations

Bug: v8:12284
Change-Id: I9d4a5d7420c6650039f84b3c8fc7974e9e617ce3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3687566Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80981}

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

@@ -2470,22 +2470,24 @@ void LiftoffAssembler::emit_i8x16_relaxed_swizzle(LiftoffRegister dst,
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_s(LiftoffRegister dst,
                                                         LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f32x4_s");
+  vcvt_s32_f32(liftoff::GetSimd128Register(dst),
+               liftoff::GetSimd128Register(src));
 }
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_u(LiftoffRegister dst,
                                                         LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f32x4_u");
+  vcvt_u32_f32(liftoff::GetSimd128Register(dst),
+               liftoff::GetSimd128Register(src));
 }
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_s_zero(
     LiftoffRegister dst, LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f64x2_s_zero");
+  emit_i32x4_trunc_sat_f64x2_s_zero(dst, src);
 }
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_u_zero(
     LiftoffRegister dst, LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f64x2_u_zero");
+  emit_i32x4_trunc_sat_f64x2_u_zero(dst, src);
 }
 
 void LiftoffAssembler::emit_s128_relaxed_laneselect(LiftoffRegister dst,

src/wasm/baseline/arm64/liftoff-assembler-arm64.h

@@ -1782,22 +1782,24 @@ void LiftoffAssembler::emit_i8x16_relaxed_swizzle(LiftoffRegister dst,
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_s(LiftoffRegister dst,
                                                         LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f32x4_s");
+  Fcvtzs(dst.fp().V4S(), src.fp().V4S());
 }
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_u(LiftoffRegister dst,
                                                         LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f32x4_u");
+  Fcvtzu(dst.fp().V4S(), src.fp().V4S());
 }
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_s_zero(
     LiftoffRegister dst, LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f64x2_s_zero");
+  Fcvtzs(dst.fp().V2D(), src.fp().V2D());
+  Sqxtn(dst.fp().V2S(), dst.fp().V2D());
 }
 
 void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_u_zero(
     LiftoffRegister dst, LiftoffRegister src) {
-  bailout(kRelaxedSimd, "emit_i32x4_relaxed_trunc_f64x2_u_zero");
+  Fcvtzu(dst.fp().V2D(), src.fp().V2D());
+  Uqxtn(dst.fp().V2S(), dst.fp().V2D());
 }
 
 void LiftoffAssembler::emit_s128_relaxed_laneselect(LiftoffRegister dst,

test/cctest/cctest.status

@@ -1176,10 +1176,6 @@
   'test-run-wasm-relaxed-simd/RunWasm_F32x4Qfms_liftoff': [SKIP],
   'test-run-wasm-relaxed-simd/RunWasm_F64x2Qfma_liftoff': [SKIP],
   'test-run-wasm-relaxed-simd/RunWasm_F64x2Qfms_liftoff': [SKIP],
-  'test-run-wasm-relaxed-simd/RunWasm_I32x4RelaxedTruncF32x4S_liftoff': [SKIP],
-  'test-run-wasm-relaxed-simd/RunWasm_I32x4RelaxedTruncF32x4U_liftoff': [SKIP],
-  'test-run-wasm-relaxed-simd/RunWasm_I32x4RelaxedTruncF64x2SZero_liftoff': [SKIP],
-  'test-run-wasm-relaxed-simd/RunWasm_I32x4RelaxedTruncF64x2UZero_liftoff': [SKIP],
 }],
 
 ]