ARM: add AArch32 support and new vcvt instructions

src/arm/assembler-arm.h

Index: src/arm/assembler-arm.h
diff --git a/src/arm/assembler-arm.h b/src/arm/assembler-arm.h
index 812f58f467b5c21fbeb14ca20d30e8beb2f3ec26..43900d21f4da329002a683ea638f881b8150267f 100644
--- a/src/arm/assembler-arm.h
+++ b/src/arm/assembler-arm.h
@@ -1198,6 +1198,15 @@ class Assembler : public AssemblerBase {
   void vcvt_f64_s32(const DwVfpRegister dst,
                     int fraction_bits,
                     const Condition cond = al);
+  // AArch32 conversions.
+  void vcvta_s32_f64(const SwVfpRegister dst, const DwVfpRegister src);
+  void vcvta_u32_f64(const SwVfpRegister dst, const DwVfpRegister src);
+  void vcvtm_s32_f64(const SwVfpRegister dst, const DwVfpRegister src);
+  void vcvtm_u32_f64(const SwVfpRegister dst, const DwVfpRegister src);
+  void vcvtn_s32_f64(const SwVfpRegister dst, const DwVfpRegister src);
+  void vcvtn_u32_f64(const SwVfpRegister dst, const DwVfpRegister src);
+  void vcvtp_s32_f64(const SwVfpRegister dst, const DwVfpRegister src);
+  void vcvtp_u32_f64(const SwVfpRegister dst, const DwVfpRegister src);
 
   void vneg(const DwVfpRegister dst,
             const DwVfpRegister src,