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cmd/internal/gc: remove dead code

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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>
This commit is contained in:
Robert Griesemer 2015-03-19 16:43:28 -07:00
parent 888767fcc4
commit 69b2f70fa1
2 changed files with 2 additions and 331 deletions
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153
src/cmd/internal/gc/mparith1.go
View File

@ -33,25 +33,10 @@ func Mpcmpfixfix(a, b *Mpint) int {
return a.Val.Cmp(&b.Val) 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 { func mpcmpfixc(b *Mpint, c int64) int {
return b.Val.Cmp(big.NewInt(c)) 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 { func mpcmpfltflt(a *Mpflt, b *Mpflt) int {
var c Mpflt var c Mpflt
@ -220,6 +205,8 @@ func _Mpmovefixflt(a *Mpflt, b *Mpfix) {
mpnorm(a) mpnorm(a)
} }
// convert (truncate) b to a.
// return -1 (but still convert) if b was non-integer.
func mpexactfltfix(a *Mpint, b *Mpflt) int { func mpexactfltfix(a *Mpint, b *Mpflt) int {
mpmovefixint(a, &b.Val) // *a = b.Val mpmovefixint(a, &b.Val) // *a = b.Val
Mpshiftfix(a, int(b.Exp)) Mpshiftfix(a, int(b.Exp))
@ -236,24 +223,6 @@ func mpexactfltfix(a *Mpint, b *Mpflt) int {
return 0 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 { func mpmovefltfix(a *Mpint, b *Mpflt) int {
if mpexactfltfix(a, b) == 0 { if mpexactfltfix(a, b) == 0 {
return 0 return 0
@ -284,36 +253,6 @@ func mpmovefltfix(a *Mpint, b *Mpflt) int {
return -1 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) { func mpmovefixfix(a, b *Mpint) {
a.Val.Set(&b.Val) 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 { func Bconv(xval *Mpint, flag int) string {
if flag&obj.FmtSharp != 0 { if flag&obj.FmtSharp != 0 {
return fmt.Sprintf("%#x", &xval.Val) return fmt.Sprintf("%#x", &xval.Val)

180
src/cmd/internal/gc/mparith2.go
View File

@ -420,40 +420,6 @@ func mporfixfix(a, b *Mpint) {
a.Val.Or(&a.Val, &b.Val) 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) { func mpandfixfix(a, b *Mpint) {
if a.Ovf || b.Ovf { if a.Ovf || b.Ovf {
if nsavederrors+nerrors == 0 { if nsavederrors+nerrors == 0 {
@ -466,40 +432,6 @@ func mpandfixfix(a, b *Mpint) {
a.Val.And(&a.Val, &b.Val) 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) { func mpandnotfixfix(a, b *Mpint) {
if a.Ovf || b.Ovf { if a.Ovf || b.Ovf {
if nsavederrors+nerrors == 0 { if nsavederrors+nerrors == 0 {
@ -512,40 +444,6 @@ func mpandnotfixfix(a, b *Mpint) {
a.Val.AndNot(&a.Val, &b.Val) 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) { func mpxorfixfix(a, b *Mpint) {
if a.Ovf || b.Ovf { if a.Ovf || b.Ovf {
if nsavederrors+nerrors == 0 { if nsavederrors+nerrors == 0 {
@ -558,40 +456,6 @@ func mpxorfixfix(a, b *Mpint) {
a.Val.Xor(&a.Val, &b.Val) 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) { func mplshfixfix(a, b *Mpint) {
if a.Ovf || b.Ovf { if a.Ovf || b.Ovf {
if nsavederrors+nerrors == 0 { if nsavederrors+nerrors == 0 {
@ -611,26 +475,6 @@ func mplshfixfix(a, b *Mpint) {
Mpshiftfix(a, int(s)) 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) { func mprshfixfix(a, b *Mpint) {
if a.Ovf || b.Ovf { if a.Ovf || b.Ovf {
if nsavederrors+nerrors == 0 { if nsavederrors+nerrors == 0 {
@ -654,30 +498,6 @@ func mprshfixfix(a, b *Mpint) {
Mpshiftfix(a, int(-s)) 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) { func mpnegfix(a *Mpint) {
a.Val.Neg(&a.Val) a.Val.Neg(&a.Val)
} }