PPC: [builtins] Introduce proper Float64Log1p, Float64Atan and Float64Atan2 operators.

src/compiler/ppc/code-generator-ppc.cc

 // Copyright 2014 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/compiler/code-generator.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 418 matching lines @@
     FrameScope scope(masm(), StackFrame::MANUAL);                             \
     __ PrepareCallCFunction(0, 2, kScratchReg);                               \
     __ MovToFloatParameters(i.InputDoubleRegister(0),                         \
                             i.InputDoubleRegister(1));                        \
     __ CallCFunction(ExternalReference::mod_two_doubles_operation(isolate()), \
                      0, 2);                                                   \
     __ MovFromFloatResult(i.OutputDoubleRegister());                          \
     DCHECK_EQ(LeaveRC, i.OutputRCBit());                                      \
   } while (0)
 
-#define ASSEMBLE_FLOAT_LOG()                                                \
-  do {                                                                      \
-    FrameScope scope(masm(), StackFrame::MANUAL);                           \
-    __ PrepareCallCFunction(0, 1, kScratchReg);                             \
-    __ MovToFloatParameter(i.InputDoubleRegister(0));                       \
-    __ CallCFunction(ExternalReference::ieee754_log_function(isolate()), 0, \
-                     1);                                                    \
-    __ MovFromFloatResult(i.OutputDoubleRegister());                        \
-    DCHECK_EQ(LeaveRC, i.OutputRCBit());                                    \
+#define ASSEMBLE_IEEE754_UNOP(name)                                            \
+  do {                                                                         \
+    /* TODO(bmeurer): We should really get rid of this special instruction, */ \
+    /* and generate a CallAddress instruction instead. */                      \
+    FrameScope scope(masm(), StackFrame::MANUAL);                              \
+    __ PrepareCallCFunction(0, 1, kScratchReg);                                \
+    __ MovToFloatParameter(i.InputDoubleRegister(0));                          \
+    __ CallCFunction(ExternalReference::ieee754_##name##_function(isolate()),  \
+                     0, 1);                                                    \
+    /* Move the result in the double result register. */                       \
+    __ MovFromFloatResult(i.OutputDoubleRegister());                           \
+    DCHECK_EQ(LeaveRC, i.OutputRCBit());                                       \
+  } while (0)
+
+#define ASSEMBLE_IEEE754_BINOP(name)                                           \
+  do {                                                                         \
+    /* TODO(bmeurer): We should really get rid of this special instruction, */ \
+    /* and generate a CallAddress instruction instead. */                      \
+    FrameScope scope(masm(), StackFrame::MANUAL);                              \
+    __ PrepareCallCFunction(0, 2, kScratchReg);                                \
+    __ MovToFloatParameters(i.InputDoubleRegister(0),                          \
+                           i.InputDoubleRegister(1));                          \
+    __ CallCFunction(ExternalReference::ieee754_##name##_function(isolate()),  \
+                     0, 2);                                                    \
+    /* Move the result in the double result register. */                       \
+    __ MovFromFloatResult(i.OutputDoubleRegister());                           \
+    DCHECK_EQ(LeaveRC, i.OutputRCBit());                                       \
   } while (0)
 
 #define ASSEMBLE_FLOAT_MAX(scratch_reg)                                       \
   do {                                                                        \
     __ fsub(scratch_reg, i.InputDoubleRegister(0), i.InputDoubleRegister(1)); \
     __ fsel(i.OutputDoubleRegister(), scratch_reg, i.InputDoubleRegister(0),  \
             i.InputDoubleRegister(1));                                        \
   } while (0)
 
 
@@ skipping 774 matching lines @@
 #if V8_TARGET_ARCH_PPC64
     case kPPC_ModU64:
       ASSEMBLE_MODULO(divdu, mulld);
       break;
 #endif
     case kPPC_ModDouble:
       // TODO(bmeurer): We should really get rid of this special instruction,
       // and generate a CallAddress instruction instead.
       ASSEMBLE_FLOAT_MODULO();
       break;
-    case kPPC_LogDouble:
-      // TODO(bmeurer): We should really get rid of this special instruction,
-      // and generate a CallAddress instruction instead.
-      ASSEMBLE_FLOAT_LOG();
+    case kIeee754Float64Atan:
+      ASSEMBLE_IEEE754_UNOP(atan);
+      break;
+    case kIeee754Float64Atan2:
+      ASSEMBLE_IEEE754_BINOP(atan2);
+      break;
+    case kIeee754Float64Log:
+      ASSEMBLE_IEEE754_UNOP(log);
+      break;
+    case kIeee754Float64Log1p:
+      ASSEMBLE_IEEE754_UNOP(log1p);
       break;
     case kPPC_Neg:
       __ neg(i.OutputRegister(), i.InputRegister(0), LeaveOE, i.OutputRCBit());
       break;
     case kPPC_MaxDouble:
       ASSEMBLE_FLOAT_MAX(kScratchDoubleReg);
       break;
     case kPPC_MinDouble:
       ASSEMBLE_FLOAT_MIN(kScratchDoubleReg);
       break;
@@ skipping 903 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8