Update V8 to r5804 as required by WebKit r72274

Change-Id: I287670630b22383dbce46e4a6fad4ec9eb37d8b8

1 files changed, 26 insertions, 9 deletions

diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index 72835ba3..4cb421c5 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -2144,6 +2144,7 @@ static Instr EncodeVCVT(const VFPType dst_type,
                         const int dst_code,
                         const VFPType src_type,
                         const int src_code,
+                        Assembler::ConversionMode mode,
                         const Condition cond) {
   ASSERT(src_type != dst_type);
   int D, Vd, M, Vm;
@@ -2162,7 +2163,7 @@ static Instr EncodeVCVT(const VFPType dst_type,
     if (IsIntegerVFPType(dst_type)) {
       opc2 = IsSignedVFPType(dst_type) ? 0x5 : 0x4;
       sz = IsDoubleVFPType(src_type) ? 0x1 : 0x0;
-      op = 1;  // round towards zero
+      op = mode;
     } else {
       ASSERT(IsIntegerVFPType(src_type));
       opc2 = 0x0;
@@ -2186,57 +2187,64 @@ static Instr EncodeVCVT(const VFPType dst_type,
 
 void Assembler::vcvt_f64_s32(const DwVfpRegister dst,
                              const SwVfpRegister src,
+                             ConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
-  emit(EncodeVCVT(F64, dst.code(), S32, src.code(), cond));
+  emit(EncodeVCVT(F64, dst.code(), S32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f32_s32(const SwVfpRegister dst,
                              const SwVfpRegister src,
+                             ConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
-  emit(EncodeVCVT(F32, dst.code(), S32, src.code(), cond));
+  emit(EncodeVCVT(F32, dst.code(), S32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f64_u32(const DwVfpRegister dst,
                              const SwVfpRegister src,
+                             ConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
-  emit(EncodeVCVT(F64, dst.code(), U32, src.code(), cond));
+  emit(EncodeVCVT(F64, dst.code(), U32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_s32_f64(const SwVfpRegister dst,
                              const DwVfpRegister src,
+                             ConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
-  emit(EncodeVCVT(S32, dst.code(), F64, src.code(), cond));
+  emit(EncodeVCVT(S32, dst.code(), F64, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_u32_f64(const SwVfpRegister dst,
                              const DwVfpRegister src,
+                             ConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
-  emit(EncodeVCVT(U32, dst.code(), F64, src.code(), cond));
+  emit(EncodeVCVT(U32, dst.code(), F64, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f64_f32(const DwVfpRegister dst,
                              const SwVfpRegister src,
+                             ConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
-  emit(EncodeVCVT(F64, dst.code(), F32, src.code(), cond));
+  emit(EncodeVCVT(F64, dst.code(), F32, src.code(), mode, cond));
 }
 
 
 void Assembler::vcvt_f32_f64(const SwVfpRegister dst,
                              const DwVfpRegister src,
+                             ConversionMode mode,
                              const Condition cond) {
   ASSERT(CpuFeatures::IsEnabled(VFP3));
-  emit(EncodeVCVT(F32, dst.code(), F64, src.code(), cond));
+  emit(EncodeVCVT(F32, dst.code(), F64, src.code(), mode, cond));
 }
 
 
@@ -2329,6 +2337,16 @@ void Assembler::vcmp(const DwVfpRegister src1,
 }
 
 
+void Assembler::vmsr(Register dst, Condition cond) {
+  // Instruction details available in ARM DDI 0406A, A8-652.
+  // cond(31-28) | 1110 (27-24) | 1110(23-20)| 0001 (19-16) |
+  // Rt(15-12) | 1010 (11-8) | 0(7) | 00 (6-5) | 1(4) | 0000(3-0)
+  ASSERT(CpuFeatures::IsEnabled(VFP3));
+  emit(cond | 0xE*B24 | 0xE*B20 |  B16 |
+       dst.code()*B12 | 0xA*B8 | B4);
+}
+
+
 void Assembler::vmrs(Register dst, Condition cond) {
   // Instruction details available in ARM DDI 0406A, A8-652.
   // cond(31-28) | 1110 (27-24) | 1111(23-20)| 0001 (19-16) |
@@ -2339,7 +2357,6 @@ void Assembler::vmrs(Register dst, Condition cond) {
 }
 
 
-
 void Assembler::vsqrt(const DwVfpRegister dst,
                       const DwVfpRegister src,
                       const Condition cond) {