cmd/internal/gc: remove dead code

Change-Id: I6b49ca1b7ee39d138aafad5875767ce93a6344f3
Reviewed-on: https://go-review.googlesource.com/7851
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>

diff --git a/src/cmd/internal/gc/mparith1.go b/src/cmd/internal/gc/mparith1.go
index 7d9051551fbe847e4e41ec5d8a8a8d420762a381..b3435e54ddc9171895140209bc055a2bc4414bc1 100644 (file)
--- a/src/cmd/internal/gc/mparith1.go
+++ b/src/cmd/internal/gc/mparith1.go
@@ -33,25 +33,10 @@ func Mpcmpfixfix(a, b *Mpint) int {
        return a.Val.Cmp(&b.Val)
 }
 
-func _Mpcmpfixfix(a *Mpfix, b *Mpfix) int {
-       var c Mpfix
-
-       _mpmovefixfix(&c, a)
-       _mpsubfixfix(&c, b)
-       return mptestfix(&c)
-}
-
 func mpcmpfixc(b *Mpint, c int64) int {
        return b.Val.Cmp(big.NewInt(c))
 }
 
-func _mpcmpfixc(b *Mpfix, c int64) int {
-       var c1 Mpfix
-
-       _Mpmovecfix(&c1, c)
-       return _Mpcmpfixfix(b, &c1)
-}
-
 func mpcmpfltflt(a *Mpflt, b *Mpflt) int {
        var c Mpflt
 
@@ -220,6 +205,8 @@ func _Mpmovefixflt(a *Mpflt, b *Mpfix) {
        mpnorm(a)
 }
 
+// convert (truncate) b to a.
+// return -1 (but still convert) if b was non-integer.
 func mpexactfltfix(a *Mpint, b *Mpflt) int {
        mpmovefixint(a, &b.Val) // *a = b.Val
        Mpshiftfix(a, int(b.Exp))
@@ -236,24 +223,6 @@ func mpexactfltfix(a *Mpint, b *Mpflt) int {
        return 0
 }
 
-// convert (truncate) b to a.
-// return -1 (but still convert) if b was non-integer.
-func _mpexactfltfix(a *Mpfix, b *Mpflt) int {
-       *a = b.Val
-       _Mpshiftfix(a, int(b.Exp))
-       if b.Exp < 0 {
-               var f Mpflt
-               f.Val = *a
-               f.Exp = 0
-               mpnorm(&f)
-               if mpcmpfltflt(b, &f) != 0 {
-                       return -1
-               }
-       }
-
-       return 0
-}
-
 func mpmovefltfix(a *Mpint, b *Mpflt) int {
        if mpexactfltfix(a, b) == 0 {
                return 0
@@ -284,36 +253,6 @@ func mpmovefltfix(a *Mpint, b *Mpflt) int {
        return -1
 }
 
-func _mpmovefltfix(a *Mpfix, b *Mpflt) int {
-       if _mpexactfltfix(a, b) == 0 {
-               return 0
-       }
-
-       // try rounding down a little
-       f := *b
-
-       f.Val.A[0] = 0
-       if _mpexactfltfix(a, &f) == 0 {
-               return 0
-       }
-
-       // try rounding up a little
-       for i := 1; i < Mpprec; i++ {
-               f.Val.A[i]++
-               if f.Val.A[i] != Mpbase {
-                       break
-               }
-               f.Val.A[i] = 0
-       }
-
-       mpnorm(&f)
-       if _mpexactfltfix(a, &f) == 0 {
-               return 0
-       }
-
-       return -1
-}
-
 func mpmovefixfix(a, b *Mpint) {
        a.Val.Set(&b.Val)
 }
@@ -606,94 +545,6 @@ func mpatofix(a *Mpint, as string) {
        }
 }
 
-//
-// fixed point input
-// required syntax is [+-][0[x]]d*
-//
-func _mpatofix(a *Mpfix, as string) {
-       var c int
-
-       s := as
-       f := 0
-       _Mpmovecfix(a, 0)
-
-       c, s = intstarstringplusplus(s)
-       switch c {
-       case '-':
-               f = 1
-               fallthrough
-
-       case '+':
-               c, s = intstarstringplusplus(s)
-               if c != '0' {
-                       break
-               }
-               fallthrough
-
-       case '0':
-               var c int
-               c, s = intstarstringplusplus(s)
-               if c == 'x' || c == 'X' {
-                       s0 := s
-                       var c int
-                       c, _ = intstarstringplusplus(s)
-                       for c != 0 {
-                               if (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') {
-                                       s = s[1:]
-                                       c, _ = intstarstringplusplus(s)
-                                       continue
-                               }
-
-                               Yyerror("malformed hex constant: %s", as)
-                               goto bad
-                       }
-
-                       mphextofix(a, s0)
-                       if a.Ovf != 0 {
-                               Yyerror("constant too large: %s", as)
-                               goto bad
-                       }
-                       goto out
-               }
-               for c != 0 {
-                       if c >= '0' && c <= '7' {
-                               mpmulcfix(a, 8)
-                               mpaddcfix(a, int64(c)-'0')
-                               c, s = intstarstringplusplus(s)
-                               continue
-                       }
-
-                       Yyerror("malformed octal constant: %s", as)
-                       goto bad
-               }
-
-               goto out
-       }
-
-       for c != 0 {
-               if c >= '0' && c <= '9' {
-                       mpmulcfix(a, 10)
-                       mpaddcfix(a, int64(c)-'0')
-                       c, s = intstarstringplusplus(s)
-                       continue
-               }
-
-               Yyerror("malformed decimal constant: %s", as)
-               goto bad
-       }
-
-       goto out
-
-out:
-       if f != 0 {
-               _mpnegfix(a)
-       }
-       return
-
-bad:
-       _Mpmovecfix(a, 0)
-}
-
 func Bconv(xval *Mpint, flag int) string {
        if flag&obj.FmtSharp != 0 {
                return fmt.Sprintf("%#x", &xval.Val)

diff --git a/src/cmd/internal/gc/mparith2.go b/src/cmd/internal/gc/mparith2.go
index f0a3742bcd2d66d4fa0c932f9e1caec1b0b9c023..80253dd85c845662edf01c116312875a07335e22 100644 (file)
--- a/src/cmd/internal/gc/mparith2.go
+++ b/src/cmd/internal/gc/mparith2.go
@@ -420,40 +420,6 @@ func mporfixfix(a, b *Mpint) {
        a.Val.Or(&a.Val, &b.Val)
 }
 
-func _mporfixfix(a *Mpfix, b *Mpfix) {
-       x := 0
-       if a.Ovf != 0 || b.Ovf != 0 {
-               if nsavederrors+nerrors == 0 {
-                       Yyerror("ovf in mporfixfix")
-               }
-               _Mpmovecfix(a, 0)
-               a.Ovf = 1
-               return
-       }
-
-       if a.Neg != 0 {
-               a.Neg = 0
-               mpneg(a)
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-
-       for i := 0; i < Mpprec; i++ {
-               x = a.A[i] | b.A[i]
-               a.A[i] = x
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-       if x&Mpsign != 0 {
-               a.Neg = 1
-               mpneg(a)
-       }
-}
-
 func mpandfixfix(a, b *Mpint) {
        if a.Ovf || b.Ovf {
                if nsavederrors+nerrors == 0 {
@@ -466,40 +432,6 @@ func mpandfixfix(a, b *Mpint) {
        a.Val.And(&a.Val, &b.Val)
 }
 
-func _mpandfixfix(a *Mpfix, b *Mpfix) {
-       x := 0
-       if a.Ovf != 0 || b.Ovf != 0 {
-               if nsavederrors+nerrors == 0 {
-                       Yyerror("ovf in mpandfixfix")
-               }
-               _Mpmovecfix(a, 0)
-               a.Ovf = 1
-               return
-       }
-
-       if a.Neg != 0 {
-               a.Neg = 0
-               mpneg(a)
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-
-       for i := 0; i < Mpprec; i++ {
-               x = a.A[i] & b.A[i]
-               a.A[i] = x
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-       if x&Mpsign != 0 {
-               a.Neg = 1
-               mpneg(a)
-       }
-}
-
 func mpandnotfixfix(a, b *Mpint) {
        if a.Ovf || b.Ovf {
                if nsavederrors+nerrors == 0 {
@@ -512,40 +444,6 @@ func mpandnotfixfix(a, b *Mpint) {
        a.Val.AndNot(&a.Val, &b.Val)
 }
 
-func _mpandnotfixfix(a *Mpfix, b *Mpfix) {
-       x := 0
-       if a.Ovf != 0 || b.Ovf != 0 {
-               if nsavederrors+nerrors == 0 {
-                       Yyerror("ovf in mpandnotfixfix")
-               }
-               _Mpmovecfix(a, 0)
-               a.Ovf = 1
-               return
-       }
-
-       if a.Neg != 0 {
-               a.Neg = 0
-               mpneg(a)
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-
-       for i := 0; i < Mpprec; i++ {
-               x = a.A[i] &^ b.A[i]
-               a.A[i] = x
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-       if x&Mpsign != 0 {
-               a.Neg = 1
-               mpneg(a)
-       }
-}
-
 func mpxorfixfix(a, b *Mpint) {
        if a.Ovf || b.Ovf {
                if nsavederrors+nerrors == 0 {
@@ -558,40 +456,6 @@ func mpxorfixfix(a, b *Mpint) {
        a.Val.Xor(&a.Val, &b.Val)
 }
 
-func _mpxorfixfix(a *Mpfix, b *Mpfix) {
-       x := 0
-       if a.Ovf != 0 || b.Ovf != 0 {
-               if nsavederrors+nerrors == 0 {
-                       Yyerror("ovf in mporfixfix")
-               }
-               _Mpmovecfix(a, 0)
-               a.Ovf = 1
-               return
-       }
-
-       if a.Neg != 0 {
-               a.Neg = 0
-               mpneg(a)
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-
-       for i := 0; i < Mpprec; i++ {
-               x = a.A[i] ^ b.A[i]
-               a.A[i] = x
-       }
-
-       if b.Neg != 0 {
-               mpneg(b)
-       }
-       if x&Mpsign != 0 {
-               a.Neg = 1
-               mpneg(a)
-       }
-}
-
 func mplshfixfix(a, b *Mpint) {
        if a.Ovf || b.Ovf {
                if nsavederrors+nerrors == 0 {
@@ -611,26 +475,6 @@ func mplshfixfix(a, b *Mpint) {
        Mpshiftfix(a, int(s))
 }
 
-func _mplshfixfix(a *Mpfix, b *Mpfix) {
-       if a.Ovf != 0 || b.Ovf != 0 {
-               if nsavederrors+nerrors == 0 {
-                       Yyerror("ovf in mplshfixfix")
-               }
-               _Mpmovecfix(a, 0)
-               a.Ovf = 1
-               return
-       }
-
-       s := _Mpgetfix(b)
-       if s < 0 || s >= Mpprec*Mpscale {
-               Yyerror("stupid shift: %d", s)
-               _Mpmovecfix(a, 0)
-               return
-       }
-
-       _Mpshiftfix(a, int(s))
-}
-
 func mprshfixfix(a, b *Mpint) {
        if a.Ovf || b.Ovf {
                if nsavederrors+nerrors == 0 {
@@ -654,30 +498,6 @@ func mprshfixfix(a, b *Mpint) {
        Mpshiftfix(a, int(-s))
 }
 
-func _mprshfixfix(a *Mpfix, b *Mpfix) {
-       if a.Ovf != 0 || b.Ovf != 0 {
-               if nsavederrors+nerrors == 0 {
-                       Yyerror("ovf in mprshfixfix")
-               }
-               _Mpmovecfix(a, 0)
-               a.Ovf = 1
-               return
-       }
-
-       s := _Mpgetfix(b)
-       if s < 0 || s >= Mpprec*Mpscale {
-               Yyerror("stupid shift: %d", s)
-               if a.Neg != 0 {
-                       _Mpmovecfix(a, -1)
-               } else {
-                       _Mpmovecfix(a, 0)
-               }
-               return
-       }
-
-       _Mpshiftfix(a, int(-s))
-}
-
 func mpnegfix(a *Mpint) {
        a.Val.Neg(&a.Val)
 }