Implements DoubleToI on ARM. Refactor some VFP code at the same time and...

src/arm/assembler-arm.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 2106 matching lines @@
     *vm = reg_code & 0x0F;
   }
 }
 
 
 // Encode vcvt.src_type.dst_type instruction.
 static Instr EncodeVCVT(const VFPType dst_type,
                         const int dst_code,
                         const VFPType src_type,
                         const int src_code,
-                        Assembler::ConversionMode mode,
+                        VFPConversionMode mode,
                         const Condition cond) {
   ASSERT(src_type != dst_type);
   int D, Vd, M, Vm;
   SplitRegCode(src_type, src_code, &Vm, &M);
   SplitRegCode(dst_type, dst_code, &Vd, &D);
 
   if (IsIntegerVFPType(dst_type) || IsIntegerVFPType(src_type)) {
     // Conversion between IEEE floating point and 32-bit integer.
     // Instruction details available in ARM DDI 0406B, A8.6.295.
     // cond(31-28) | 11101(27-23)| D(22) | 11(21-20) | 1(19) | opc2(18-16) |
@@ skipping 22 matching lines @@
     // Vd(15-12) | 101(11-9) | sz(8) | 1(7) | 1(6) | M(5) | 0(4) | Vm(3-0)
     int sz = IsDoubleVFPType(src_type) ? 0x1 : 0x0;
     return (cond | 0xE*B24 | B23 | D*B22 | 0x3*B20 | 0x7*B16 |
             Vd*B12 | 0x5*B9 | sz*B8 | B7 | B6 | M*B5 | Vm);
   }
 }
 
 
 void Assembler::vcvt_f64_s32(const DwVfpRegister dst,
                              const SwVfpRegister src,
-                             ConversionMode mode,
+                             VFPConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
   emit(EncodeVCVT(F64, dst.code(), S32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f32_s32(const SwVfpRegister dst,
                              const SwVfpRegister src,
-                             ConversionMode mode,
+                             VFPConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
   emit(EncodeVCVT(F32, dst.code(), S32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f64_u32(const DwVfpRegister dst,
                              const SwVfpRegister src,
-                             ConversionMode mode,
+                             VFPConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
   emit(EncodeVCVT(F64, dst.code(), U32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_s32_f64(const SwVfpRegister dst,
                              const DwVfpRegister src,
-                             ConversionMode mode,
+                             VFPConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
   emit(EncodeVCVT(S32, dst.code(), F64, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_u32_f64(const SwVfpRegister dst,
                              const DwVfpRegister src,
-                             ConversionMode mode,
+                             VFPConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
   emit(EncodeVCVT(U32, dst.code(), F64, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f64_f32(const DwVfpRegister dst,
                              const SwVfpRegister src,
-                             ConversionMode mode,
+                             VFPConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
   emit(EncodeVCVT(F64, dst.code(), F32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f32_f64(const SwVfpRegister dst,
                              const DwVfpRegister src,
-                             ConversionMode mode,
+                             VFPConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
   emit(EncodeVCVT(F32, dst.code(), F64, src.code(), mode, cond));
 }
 
 
 void Assembler::vabs(const DwVfpRegister dst,
                      const DwVfpRegister src,
                      const Condition cond) {
   emit(cond | 0xE*B24 | 0xB*B20 | dst.code()*B12 |
@@ skipping 380 matching lines @@
 
   // Since a constant pool was just emitted, move the check offset forward by
   // the standard interval.
   next_buffer_check_ = pc_offset() + kCheckConstInterval;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM