MIPS: Major fixes and clean-up in asm. for instruction encoding.

src/mips/assembler-mips.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 1902 matching lines @@
 }
 
 
 void Assembler::movf(Register rd, Register rs, uint16_t cc) {
   Register rt;
   rt.code_ = (cc & 0x0007) << 2 | 0;
   GenInstrRegister(SPECIAL, rs, rt, rd, 0, MOVCI);
 }
 
 
-void Assembler::seleqz(Register rs, Register rt, Register rd) {
+void Assembler::sel(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                    FPURegister ft) {
+  DCHECK(IsMipsArchVariant(kMips32r6));
+  DCHECK((fmt == D) || (fmt == S));
+
+  Instr instr = COP1 | fmt << kRsShift | ft.code() << kFtShift |
+                fs.code() << kFsShift | fd.code() << kFdShift | SEL;
+  emit(instr);
+}
+
+
+void Assembler::seleqz(Register rd, Register rs, Register rt) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   GenInstrRegister(SPECIAL, rs, rt, rd, 0, SELEQZ_S);
 }
 
 
-void Assembler::seleqz(SecondaryField fmt, FPURegister fd, FPURegister ft,
-                       FPURegister fs) {
+void Assembler::seleqz(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                       FPURegister ft) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, SELEQZ_C);
 }
 
 
-void Assembler::selnez(Register rs, Register rt, Register rd) {
+void Assembler::selnez(Register rd, Register rs, Register rt) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   GenInstrRegister(SPECIAL, rs, rt, rd, 0, SELNEZ_S);
 }
 
 
-void Assembler::selnez(SecondaryField fmt, FPURegister fd, FPURegister ft,
-                       FPURegister fs) {
+void Assembler::selnez(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                       FPURegister ft) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, SELNEZ_C);
 }
 
 
 // Bit twiddling.
 void Assembler::clz(Register rd, Register rs) {
   if (!IsMipsArchVariant(kMips32r6)) {
     // Clz instr requires same GPR number in 'rd' and 'rt' fields.
@@ skipping 299 matching lines @@
 void Assembler::ceil_l_s(FPURegister fd, FPURegister fs) {
   GenInstrRegister(COP1, S, f0, fs, fd, CEIL_L_S);
 }
 
 
 void Assembler::ceil_l_d(FPURegister fd, FPURegister fs) {
   GenInstrRegister(COP1, D, f0, fs, fd, CEIL_L_D);
 }
 
 
-void Assembler::min(SecondaryField fmt, FPURegister fd, FPURegister ft,
-    FPURegister fs) {
+void Assembler::min(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                    FPURegister ft) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, MIN);
 }
 
 
-void Assembler::mina(SecondaryField fmt, FPURegister fd, FPURegister ft,
-    FPURegister fs) {
+void Assembler::mina(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                     FPURegister ft) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, MINA);
 }
 
 
-void Assembler::max(SecondaryField fmt, FPURegister fd, FPURegister ft,
-    FPURegister fs) {
+void Assembler::max(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                    FPURegister ft) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, MAX);
 }
 
 
-void Assembler::maxa(SecondaryField fmt, FPURegister fd, FPURegister ft,
-    FPURegister fs) {
+void Assembler::maxa(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                     FPURegister ft) {
   DCHECK(IsMipsArchVariant(kMips32r6));
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, MAXA);
 }
 
 
 void Assembler::cvt_s_w(FPURegister fd, FPURegister fs) {
   GenInstrRegister(COP1, W, f0, fs, fd, CVT_S_W);
 }
 
@@ skipping 507 matching lines @@
 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) {
   // No out-of-line constant pool support.
   DCHECK(!FLAG_enable_ool_constant_pool);
   return;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS