[turbofan] ARM: Implement vswp and use in gap resolver

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 2e9356967c6e10ce9af35557bba74f7985e78cf2..63d109d7982cba2cc9323888fe2cce5411a31308 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -1054,6 +1054,7 @@ void MacroAssembler::VmovLow(DwVfpRegister dst, Register src) {
     vmov(dst, VmovIndexLo, src);
   }
 }
+
 void MacroAssembler::LslPair(Register dst_low, Register dst_high,
                              Register src_low, Register src_high,
                              Register scratch, Register shift) {