PPC64: [turbofan] Changed TruncateFloat64ToInt64 to TryTruncateFloat64ToInt64.

src/ppc/assembler-ppc.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 1826 matching lines @@
 void Assembler::mtctr(Register src) {
   emit(EXT2 | MTSPR | src.code() * B21 | 288 << 11);  // Ignore RC bit
 }
 
 
 void Assembler::mtxer(Register src) {
   emit(EXT2 | MTSPR | src.code() * B21 | 32 << 11);
 }
 
 
-void Assembler::mcrfs(int bf, int bfa) {
+void Assembler::mcrfs(CRegister cr, FPSCRBit bit) {
+  DCHECK(static_cast<int>(bit) < 32);
+  int bf = cr.code();
+  int bfa = bit / CRWIDTH;
   emit(EXT4 | MCRFS | bf * B23 | bfa * B18);
 }
 
 
 void Assembler::mfcr(Register dst) { emit(EXT2 | MFCR | dst.code() * B21); }
 
 
 #if V8_TARGET_ARCH_PPC64
 void Assembler::mffprd(Register dst, DoubleRegister src) {
   emit(EXT2 | MFVSRD | src.code() * B21 | dst.code() * B16);
@@ skipping 354 matching lines @@
        frc.code() * B6 | rc);
 }
 
 
 void Assembler::fneg(const DoubleRegister frt, const DoubleRegister frb,
                      RCBit rc) {
   emit(EXT4 | FNEG | frt.code() * B21 | frb.code() * B11 | rc);
 }
 
 
+void Assembler::mtfsb0(FPSCRBit bit, RCBit rc) {
+  DCHECK(static_cast<int>(bit) < 32);
+  int bt = bit;
+  emit(EXT4 | MTFSB0 | bt * B21 | rc);
+}
+
+
+void Assembler::mtfsb1(FPSCRBit bit, RCBit rc) {
+  DCHECK(static_cast<int>(bit) < 32);
+  int bt = bit;
+  emit(EXT4 | MTFSB1 | bt * B21 | rc);
+}
+
+
 void Assembler::mtfsfi(int bf, int immediate, RCBit rc) {
   emit(EXT4 | MTFSFI | bf * B23 | immediate * B12 | rc);
 }
 
 
 void Assembler::mffs(const DoubleRegister frt, RCBit rc) {
   emit(EXT4 | MFFS | frt.code() * B21 | rc);
 }
 
 
@@ skipping 225 matching lines @@
 
     trampoline_ = Trampoline(pc_offset() - size, tracked_branch_count_);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC