Revert of MIPS: Add float instructions and test coverage, part one

src/mips64/constants-mips64.h

Index: src/mips64/constants-mips64.h
diff --git a/src/mips64/constants-mips64.h b/src/mips64/constants-mips64.h
index 37de91a0e2318d99f52f2b27b5e1d8ba86181754..a1e6c0b05db54c9de48a45464bf11e2cc8c94d2c 100644
--- a/src/mips64/constants-mips64.h
+++ b/src/mips64/constants-mips64.h
@@ -470,14 +470,6 @@ enum SecondaryField {
   L = ((2 << 3) + 5) << 21,
   PS = ((2 << 3) + 6) << 21,
   // COP1 Encoding of Function Field When rs=S.
-  ADD_S = ((0 << 3) + 0),
-  SUB_S = ((0 << 3) + 1),
-  MUL_S = ((0 << 3) + 2),
-  DIV_S = ((0 << 3) + 3),
-  ABS_S = ((0 << 3) + 5),
-  SQRT_S = ((0 << 3) + 4),
-  MOV_S = ((0 << 3) + 6),
-  NEG_S = ((0 << 3) + 7),
   ROUND_L_S = ((1 << 3) + 0),
   TRUNC_L_S = ((1 << 3) + 1),
   CEIL_L_S = ((1 << 3) + 2),
@@ -486,8 +478,6 @@ enum SecondaryField {
   TRUNC_W_S = ((1 << 3) + 5),
   CEIL_W_S = ((1 << 3) + 6),
   FLOOR_W_S = ((1 << 3) + 7),
-  RECIP_S = ((2 << 3) + 5),
-  RSQRT_S = ((2 << 3) + 6),
   CVT_D_S = ((4 << 3) + 1),
   CVT_W_S = ((4 << 3) + 4),
   CVT_L_S = ((4 << 3) + 5),
@@ -509,8 +499,10 @@ enum SecondaryField {
   TRUNC_W_D = ((1 << 3) + 5),
   CEIL_W_D = ((1 << 3) + 6),
   FLOOR_W_D = ((1 << 3) + 7),
-  RECIP_D = ((2 << 3) + 5),
-  RSQRT_D = ((2 << 3) + 6),
+  MIN = ((3 << 3) + 4),
+  MINA = ((3 << 3) + 5),
+  MAX = ((3 << 3) + 6),
+  MAXA = ((3 << 3) + 7),
   CVT_S_D = ((4 << 3) + 0),
   CVT_W_D = ((4 << 3) + 4),
   CVT_L_D = ((4 << 3) + 5),
@@ -564,14 +556,7 @@ enum SecondaryField {
   CMP_SUGT = ((3 << 3) + 6),  // Reserved, not implemented.
   CMP_SOGT = ((3 << 3) + 7),  // Reserved, not implemented.
 
-  MIN = ((3 << 3) + 4),
-  MINA = ((3 << 3) + 5),
-  MAX = ((3 << 3) + 6),
-  MAXA = ((3 << 3) + 7),
   SEL = ((2 << 3) + 0),
-  MOVF = ((2 << 3) + 1),      // Function field for MOVT.fmt and MOVF.fmt
-  MOVZ_C = ((2 << 3) + 2),    // COP1 on FPR registers.
-  MOVN_C = ((2 << 3) + 3),    // COP1 on FPR registers.
   SELEQZ_C = ((2 << 3) + 4),  // COP1 on FPR registers.
   SELNEZ_C = ((2 << 3) + 7),  // COP1 on FPR registers.