[turbofan] ARM: Reduce out-of-line NaN code size

test/cctest/test-assembler-arm.cc

 // Copyright 2012 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 214 matching lines @@
     double c;
     double d;
     double e;
     double f;
     double g;
     double h;
     int i;
     double j;
     double m;
     double n;
+    float o;
+    float p;
     float x;
     float y;
   } T;
   T t;
 
   // Create a function that accepts &t, and loads, manipulates, and stores
   // the doubles and floats.
   Assembler assm(isolate, NULL, 0);
   Label L, C;
 
@@ skipping 62 matching lines @@
     __ vstr(d0, r4, offsetof(T, h));
 
     // Test vneg.
     __ vldr(d1, r4, offsetof(T, m));
     __ vneg(d0, d1);
     __ vstr(d0, r4, offsetof(T, m));
     __ vldr(d1, r4, offsetof(T, n));
     __ vneg(d0, d1);
     __ vstr(d0, r4, offsetof(T, n));
 
+    // Test vmov for single-precision immediates.
+    __ vmov(s0, 0.25f);
+    __ vstr(s0, r4, offsetof(T, o));
+    __ vmov(s0, -16.0f);
+    __ vstr(s0, r4, offsetof(T, p));
+
     __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit());
 
     CodeDesc desc;
     assm.GetCode(&desc);
     Handle<Code> code = isolate->factory()->NewCode(
         desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
 #ifdef DEBUG
     OFStream os(stdout);
     code->Print(os);
 #endif
     F3 f = FUNCTION_CAST<F3>(code->entry());
     t.a = 1.5;
     t.b = 2.75;
     t.c = 17.17;
     t.d = 0.0;
     t.e = 0.0;
     t.f = 0.0;
     t.g = -2718.2818;
     t.h = 31415926.5;
     t.i = 0;
     t.j = 0;
     t.m = -2718.2818;
     t.n = 123.456;
     t.x = 4.5;
     t.y = 9.0;
     Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
     USE(dummy);
+    CHECK_EQ(-16.0f, t.p);
+    CHECK_EQ(0.25f, t.o);
     CHECK_EQ(-123.456, t.n);
     CHECK_EQ(2718.2818, t.m);
     CHECK_EQ(2, t.i);
     CHECK_EQ(2718.2818, t.g);
     CHECK_EQ(31415926.5, t.h);
     CHECK_EQ(617.0, t.j);
     CHECK_EQ(42.0, t.f);
     CHECK_EQ(1.0, t.e);
     CHECK_EQ(1.000000059604644775390625, t.d);
     CHECK_EQ(4.25, t.c);
@@ skipping 1847 matching lines @@
   HandleScope scope(isolate);
 
   Assembler assm(isolate, NULL, 0);
   __ mov(r0, Operand(isolate->factory()->infinity_value()));
   __ BlockConstPoolFor(1019);
   for (int i = 0; i < 1019; ++i) __ nop();
   __ vldr(d0, MemOperand(r0, 0));
 }
 
 #undef __