[ARM] Save all single precision float registers in the deoptimizer.

src/arm/deoptimizer-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/assembler-inl.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/objects-inl.h"
 #include "src/register-configuration.h"
@@ skipping 123 matching lines @@
 
     // Check CPU flags for number of registers, setting the Z condition flag.
     __ CheckFor32DRegs(ip);
 
     // Push registers d0-d15, and possibly d16-d31, on the stack.
     // If d16-d31 are not pushed, decrease the stack pointer instead.
     __ vstm(db_w, sp, d16, d31, ne);
     __ sub(sp, sp, Operand(16 * kDoubleSize), LeaveCC, eq);
     __ vstm(db_w, sp, d0, d15);
 
-    // Push registers s0-s15, and possibly s16-s31, on the stack.
-    // If s16-s31 are not pushed, decrease the stack pointer instead.
-    __ vstm(db_w, sp, s16, s31, ne);
-    __ sub(sp, sp, Operand(16 * kFloatSize), LeaveCC, eq);
-    __ vstm(db_w, sp, s0, s15);
+    // Push registers s0-s31 on the stack.
+    __ vstm(db_w, sp, s0, s31);
   }
 
   // Push all 16 registers (needed to populate FrameDescription::registers_).
   // TODO(1588) Note that using pc with stm is deprecated, so we should perhaps
   // handle this a bit differently.
   __ stm(db_w, sp, restored_regs  | sp.bit() | lr.bit() | pc.bit());
 
   __ mov(ip, Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate())));
   __ str(fp, MemOperand(ip));
 
@@ skipping 234 matching lines @@
 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) {
   // No embedded constant pool support.
   UNREACHABLE();
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8