MIPS: Add float instructions and test coverage, part one

src/mips64/assembler-mips64.cc

Index: src/mips64/assembler-mips64.cc
diff --git a/src/mips64/assembler-mips64.cc b/src/mips64/assembler-mips64.cc
index ee2daa45bb44cf980a5b919f7686af02426b3065..592db2bdefbdb0246ef651be1b9f79e677cabe12 100644
--- a/src/mips64/assembler-mips64.cc
+++ b/src/mips64/assembler-mips64.cc
@@ -2145,9 +2145,7 @@ void Assembler::sel(SecondaryField fmt, FPURegister fd, FPURegister fs,
   DCHECK(kArchVariant == kMips64r6);
   DCHECK((fmt == D) || (fmt == S));
 
-  Instr instr = COP1 | fmt << kRsShift | ft.code() << kFtShift |
-      fs.code() << kFsShift | fd.code() << kFdShift | SEL;
-  emit(instr);
+  GenInstrRegister(COP1, fmt, ft, fs, fd, SEL);
 }
 
 
@@ -2189,6 +2187,62 @@ void Assembler::selnez(Register rd, Register rs, Register rt) {
 }
 
 
+void Assembler::movz_s(FPURegister fd, FPURegister fs, Register rt) {
+  DCHECK(kArchVariant == kMips64r2);
+  GenInstrRegister(COP1, S, rt, fs, fd, MOVZ_C);
+}
+
+
+void Assembler::movz_d(FPURegister fd, FPURegister fs, Register rt) {
+  DCHECK(kArchVariant == kMips64r2);
+  GenInstrRegister(COP1, D, rt, fs, fd, MOVZ_C);
+}
+
+
+void Assembler::movt_s(FPURegister fd, FPURegister fs, uint16_t cc) {
+  DCHECK(kArchVariant == kMips64r2);
+  FPURegister ft;
+  ft.code_ = (cc & 0x0007) << 2 | 1;
+  GenInstrRegister(COP1, S, ft, fs, fd, MOVF);
+}
+
+
+void Assembler::movt_d(FPURegister fd, FPURegister fs, uint16_t cc) {
+  DCHECK(kArchVariant == kMips64r2);
+  FPURegister ft;
+  ft.code_ = (cc & 0x0007) << 2 | 1;
+  GenInstrRegister(COP1, D, ft, fs, fd, MOVF);
+}
+
+
+void Assembler::movf_s(FPURegister fd, FPURegister fs, uint16_t cc) {
+  DCHECK(kArchVariant == kMips64r2);
+  FPURegister ft;
+  ft.code_ = (cc & 0x0007) << 2 | 0;
+  GenInstrRegister(COP1, S, ft, fs, fd, MOVF);
+}
+
+
+void Assembler::movf_d(FPURegister fd, FPURegister fs, uint16_t cc) {
+  DCHECK(kArchVariant == kMips64r2);
+  FPURegister ft;
+  ft.code_ = (cc & 0x0007) << 2 | 0;
+  GenInstrRegister(COP1, D, ft, fs, fd, MOVF);
+}
+
+
+void Assembler::movn_s(FPURegister fd, FPURegister fs, Register rt) {
+  DCHECK(kArchVariant == kMips64r2);
+  GenInstrRegister(COP1, S, rt, fs, fd, MOVN_C);
+}
+
+
+void Assembler::movn_d(FPURegister fd, FPURegister fs, Register rt) {
+  DCHECK(kArchVariant == kMips64r2);
+  GenInstrRegister(COP1, D, rt, fs, fd, MOVN_C);
+}
+
+
 // FPR.
 void Assembler::selnez(SecondaryField fmt, FPURegister fd, FPURegister fs,
                        FPURegister ft) {
@@ -2396,6 +2450,11 @@ void Assembler::mov_d(FPURegister fd, FPURegister fs) {
 }
 
 
+void Assembler::mov_s(FPURegister fd, FPURegister fs) {
+  GenInstrRegister(COP1, S, f0, fs, fd, MOV_D);
+}
+
+
 void Assembler::neg_s(FPURegister fd, FPURegister fs) {
   GenInstrRegister(COP1, S, f0, fs, fd, NEG_D);
 }
@@ -2416,8 +2475,27 @@ void Assembler::sqrt_d(FPURegister fd, FPURegister fs) {
 }
 
 
-// Conversions.
+void Assembler::rsqrt_s(FPURegister fd, FPURegister fs) {
+  GenInstrRegister(COP1, S, f0, fs, fd, RSQRT_D);
+}
+
+
+void Assembler::rsqrt_d(FPURegister fd, FPURegister fs) {
+  GenInstrRegister(COP1, D, f0, fs, fd, RSQRT_D);
+}
+
+
+void Assembler::recip_d(FPURegister fd, FPURegister fs) {
+  GenInstrRegister(COP1, D, f0, fs, fd, RECIP);
+}
+
+
+void Assembler::recip_s(FPURegister fd, FPURegister fs) {
+  GenInstrRegister(COP1, S, f0, fs, fd, RECIP);
+}
+
 
+// Conversions.
 void Assembler::cvt_w_s(FPURegister fd, FPURegister fs) {
   GenInstrRegister(COP1, S, f0, fs, fd, CVT_W_S);
 }
@@ -2476,7 +2554,7 @@ void Assembler::rint_d(FPURegister fd, FPURegister fs) { rint(D, fd, fs); }
 
 void Assembler::rint(SecondaryField fmt, FPURegister fd, FPURegister fs) {
   DCHECK(kArchVariant == kMips64r6);
-  GenInstrRegister(COP1, D, f0, fs, fd, RINT);
+  GenInstrRegister(COP1, fmt, f0, fs, fd, RINT);
 }
 
 
@@ -2534,16 +2612,16 @@ void Assembler::ceil_l_d(FPURegister fd, FPURegister fs) {
 }
 
 
-void Assembler::mina(SecondaryField fmt, FPURegister fd, FPURegister ft,
-    FPURegister fs) {
+void Assembler::mina(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                     FPURegister ft) {
   DCHECK(kArchVariant == kMips64r6);
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, MINA);
 }
 
 
-void Assembler::maxa(SecondaryField fmt, FPURegister fd, FPURegister ft,
-    FPURegister fs) {
+void Assembler::maxa(SecondaryField fmt, FPURegister fd, FPURegister fs,
+                     FPURegister ft) {
   DCHECK(kArchVariant == kMips64r6);
   DCHECK((fmt == D) || (fmt == S));
   GenInstrRegister(COP1, fmt, ft, fs, fd, MAXA);