[wasm-simd][liftoff][arm][arm64] i32x4<->f32x4 conversions

Bug: v8:9909
Change-Id: Ie69e1656f2bc93dbd4b77f9dd943f07169146fdb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2219013Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68061}

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

@@ -3115,22 +3115,26 @@ void LiftoffAssembler::emit_s128_select(LiftoffRegister dst,
 
 void LiftoffAssembler::emit_i32x4_sconvert_f32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "i32x4_sconvert_f32x4");
+  vcvt_s32_f32(liftoff::GetSimd128Register(dst),
+               liftoff::GetSimd128Register(src));
 }
 
 void LiftoffAssembler::emit_i32x4_uconvert_f32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "i32x4_uconvert_f32x4");
+  vcvt_u32_f32(liftoff::GetSimd128Register(dst),
+               liftoff::GetSimd128Register(src));
 }
 
 void LiftoffAssembler::emit_f32x4_sconvert_i32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "f32x4_sconvert_i32x4");
+  vcvt_f32_s32(liftoff::GetSimd128Register(dst),
+               liftoff::GetSimd128Register(src));
 }
 
 void LiftoffAssembler::emit_f32x4_uconvert_i32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "f32x4_uconvert_i32x4");
+  vcvt_f32_u32(liftoff::GetSimd128Register(dst),
+               liftoff::GetSimd128Register(src));
 }
 
 void LiftoffAssembler::emit_i8x16_sconvert_i16x8(LiftoffRegister dst,

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

@@ -2012,22 +2012,22 @@ void LiftoffAssembler::emit_s128_select(LiftoffRegister dst,
 
 void LiftoffAssembler::emit_i32x4_sconvert_f32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "i32x4_sconvert_f32x4");
+  Fcvtzs(dst.fp().V4S(), src.fp().V4S());
 }
 
 void LiftoffAssembler::emit_i32x4_uconvert_f32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "i32x4_uconvert_f32x4");
+  Fcvtzu(dst.fp().V4S(), src.fp().V4S());
 }
 
 void LiftoffAssembler::emit_f32x4_sconvert_i32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "f32x4_sconvert_i32x4");
+  Scvtf(dst.fp().V4S(), src.fp().V4S());
 }
 
 void LiftoffAssembler::emit_f32x4_uconvert_i32x4(LiftoffRegister dst,
                                                  LiftoffRegister src) {
-  bailout(kSimd, "f32x4_uconvert_i32x4");
+  Ucvtf(dst.fp().V4S(), src.fp().V4S());
 }
 
 void LiftoffAssembler::emit_i8x16_sconvert_i16x8(LiftoffRegister dst,