diff --git a/src/cmd/6g/reg.c b/src/cmd/6g/reg.c
index 1e1d64c59e9449526990215403db2ea93f45568c..ed8bac3f0bb4609d6284eaefab4f62c2f55bc3a2 100644
--- a/src/cmd/6g/reg.c
+++ b/src/cmd/6g/reg.c
@@ -1193,7 +1193,6 @@ void
paint1(Reg *r, int bn)
{
Reg *r1;
- Prog *p;
int z;
uint32 bb;
@@ -1219,7 +1218,6 @@ paint1(Reg *r, int bn)
}
for(;;) {
r->act.b[z] |= bb;
- p = r->prog;
if(r->use1.b[z] & bb) {
change += CREF * r->loop;
diff --git a/src/cmd/6l/asm.c b/src/cmd/6l/asm.c
index ba2074fde0a1de79e52fb3796a772cc9102c9171..03bc411f82e033c590f06e4e1c7ae0ebada37b32 100644
--- a/src/cmd/6l/asm.c
+++ b/src/cmd/6l/asm.c
@@ -681,7 +681,7 @@ asmb(void)
{
int32 magic;
int a, dynsym;
- vlong vl, va, startva, fo, w, symo, elfsymo, elfstro, elfsymsize, machlink;
+ vlong vl, startva, fo, symo, elfsymo, elfstro, elfsymsize, machlink;
ElfEhdr *eh;
ElfPhdr *ph, *pph;
ElfShdr *sh;
@@ -848,8 +848,6 @@ asmb(void)
eh = getElfEhdr();
fo = HEADR;
startva = INITTEXT - HEADR;
- va = startva + fo;
- w = segtext.filelen;
/* This null SHdr must appear before all others */
sh = newElfShdr(elfstr[ElfStrEmpty]);
diff --git a/src/cmd/6l/obj.c b/src/cmd/6l/obj.c
index 9e35fa5630106d7bdc0e499a3d1f73987c655413..d53814a74539805c7346a6dffd791f755adb3020 100644
--- a/src/cmd/6l/obj.c
+++ b/src/cmd/6l/obj.c
@@ -389,7 +389,7 @@ ldobj1(Biobuf *f, char *pkg, int64 len, char *pn)
vlong ipc;
Prog *p;
int v, o, r, skip, mode;
- Sym *h[NSYM], *s, *di;
+ Sym *h[NSYM], *s;
uint32 sig;
char *name, *x;
int ntext;
@@ -400,7 +400,6 @@ ldobj1(Biobuf *f, char *pkg, int64 len, char *pn)
lastp = nil;
ntext = 0;
eof = Boffset(f) + len;
- di = S;
src[0] = 0;
newloop:
diff --git a/src/cmd/gc/dcl.c b/src/cmd/gc/dcl.c
index 3089a23b0dbe468d7dce167b1ada235a2e6c9cdb..50cd0478677b08700b4983c1e46ee3bcb5896b51 100644
--- a/src/cmd/gc/dcl.c
+++ b/src/cmd/gc/dcl.c
@@ -697,12 +697,10 @@ stotype(NodeList *l, int et, Type **t, int funarg)
Type *f, *t1, *t2, **t0;
Strlit *note;
int lno;
- NodeList *init;
Node *n, *left;
char *what;
t0 = t;
- init = nil;
lno = lineno;
what = "field";
if(et == TINTER)
diff --git a/src/cmd/gc/reflect.c b/src/cmd/gc/reflect.c
index b98e820c6da9c3c65752e97d1a3a72280e6c7b38..fe9c6ac9fd6a35a2521f01cd813cc3b5c441cb1d 100644
--- a/src/cmd/gc/reflect.c
+++ b/src/cmd/gc/reflect.c
@@ -137,7 +137,6 @@ methodfunc(Type *f, Type *receiver)
static Sig*
methods(Type *t)
{
- int o;
Type *f, *mt, *it, *this;
Sig *a, *b;
Sym *method;
@@ -157,7 +156,6 @@ methods(Type *t)
// make list of methods for t,
// generating code if necessary.
a = nil;
- o = 0;
oldlist = nil;
for(f=mt->xmethod; f; f=f->down) {
if(f->type->etype != TFUNC)
@@ -240,14 +238,12 @@ static Sig*
imethods(Type *t)
{
Sig *a, *all, *last;
- int o;
Type *f;
Sym *method, *isym;
Prog *oldlist;
all = nil;
last = nil;
- o = 0;
oldlist = nil;
for(f=t->type; f; f=f->down) {
if(f->etype != TFIELD)
diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index 2098794a7ce0b1728d4e82ffa2c0f1b69ebb56a9..fe3a105c45169e25011212cc5d1ffaa94b5d7cf1 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -660,12 +660,10 @@ nodbool(int b)
Type*
aindex(Node *b, Type *t)
{
- NodeList *init;
Type *r;
int bound;
bound = -1; // open bound
- init = nil;
typecheck(&b, Erv);
if(b != nil) {
switch(consttype(b)) {
@@ -1728,17 +1726,13 @@ isideal(Type *t)
Type*
methtype(Type *t)
{
- int ptr;
-
if(t == T)
return T;
// strip away pointer if it's there
- ptr = 0;
if(isptr[t->etype]) {
if(t->sym != S)
return T;
- ptr = 1;
t = t->type;
if(t == T)
return T;
diff --git a/src/cmd/gc/swt.c b/src/cmd/gc/swt.c
index fbc9c49030a66de129bda4af85427edb5fd9a231..6e8436c3c52760347908e20b5cdbbc7c8ccafab0 100644
--- a/src/cmd/gc/swt.c
+++ b/src/cmd/gc/swt.c
@@ -250,7 +250,7 @@ newlabel(void)
static void
casebody(Node *sw, Node *typeswvar)
{
- Node *os, *oc, *n, *c, *last;
+ Node *n, *c, *last;
Node *def;
NodeList *cas, *stat, *l, *lc;
Node *go, *br;
@@ -263,8 +263,6 @@ casebody(Node *sw, Node *typeswvar)
cas = nil; // cases
stat = nil; // statements
def = N; // defaults
- os = N; // last statement
- oc = N; // last case
br = nod(OBREAK, N, N);
for(l=sw->list; l; l=l->next) {
diff --git a/src/cmd/gc/walk.c b/src/cmd/gc/walk.c
index b8c6842e0cf383da9b414d33078f47ae87b21b98..f5a72d891253b97134a94d963a99dffe6e8a2b31 100644
--- a/src/cmd/gc/walk.c
+++ b/src/cmd/gc/walk.c
@@ -197,7 +197,6 @@ Node*
walkdef(Node *n)
{
int lno;
- NodeList *init;
Node *e;
Type *t;
NodeList *l;
@@ -236,7 +235,6 @@ walkdef(Node *n)
if(n->type != T || n->sym == S) // builtin or no name
goto ret;
- init = nil;
switch(n->op) {
default:
fatal("walkdef %O", n->op);
@@ -380,14 +378,13 @@ walkstmt(Node **np)
{
NodeList *init;
NodeList *ll, *rl;
- int cl, lno;
+ int cl;
Node *n, *f;
n = *np;
if(n == N)
return;
- lno = lineno;
setlineno(n);
switch(n->op) {
diff --git a/src/cmd/ld/data.c b/src/cmd/ld/data.c
index 14f1e9fe85021ffaf885682294cca143a2139c28..0cb2b2138f2b80e60394faeb245640db64c2e7b2 100644
--- a/src/cmd/ld/data.c
+++ b/src/cmd/ld/data.c
@@ -878,7 +878,7 @@ textaddress(void)
void
address(void)
{
- Section *s, *text, *data, *rodata, *bss;
+ Section *s, *text, *data, *rodata;
Sym *sym, *sub;
uvlong va;
@@ -913,7 +913,6 @@ address(void)
text = segtext.sect;
rodata = segtext.sect->next;
data = segdata.sect;
- bss = segdata.sect->next;
for(sym = datap; sym != nil; sym = sym->next) {
cursym = sym;
diff --git a/src/cmd/ld/ldelf.c b/src/cmd/ld/ldelf.c
index 44bbe68ee07e915c10a38de29200c1a775f40189..d61020e4992cffef52df5426c914edd7ad1aae77 100644
--- a/src/cmd/ld/ldelf.c
+++ b/src/cmd/ld/ldelf.c
@@ -319,7 +319,7 @@ ldelf(Biobuf *f, char *pkg, int64 len, char *pn)
char *name;
int i, j, rela, is64, n;
uchar hdrbuf[64];
- uchar *p, *dp;
+ uchar *p;
ElfHdrBytes *hdr;
ElfObj *obj;
ElfSect *sect, *rsect;
@@ -561,7 +561,6 @@ ldelf(Biobuf *f, char *pkg, int64 len, char *pn)
n = rsect->size/(4+4*is64)/(2+rela);
r = mal(n*sizeof r[0]);
p = rsect->base;
- dp = sect->base;
for(j=0; j<n; j++) {
add = 0;
rp = &r[j];
diff --git a/src/cmd/ld/lib.c b/src/cmd/ld/lib.c
index 2b1674ff29b46adea65aed6038559a1e00faeeb7..15219ba1165296b7a6b7b3a6179f0e31bbf57d73 100644
--- a/src/cmd/ld/lib.c
+++ b/src/cmd/ld/lib.c
@@ -1033,7 +1033,7 @@ mkfwd(void)
Prog *p;
int i;
int32 dwn[LOG], cnt[LOG];
- Prog *lst[LOG], *last;
+ Prog *lst[LOG];
for(i=0; i<LOG; i++) {
if(i == 0)
@@ -1044,7 +1044,6 @@ mkfwd(void)
lst[i] = P;
}
i = 0;
- last = nil;
for(cursym = textp; cursym != nil; cursym = cursym->next) {
for(p = cursym->text; p != P; p = p->link) {
if(p->link == P) {
diff --git a/src/libmach/executable.c b/src/libmach/executable.c
index 33000ed07f1c38661e400b9af9b1cd6ecdf08814..e90334438198648c6b5ca0779e5eb7223f2a65d7 100644
--- a/src/libmach/executable.c
+++ b/src/libmach/executable.c
@@ -991,7 +991,6 @@ machdotout(int fd, Fhdr *fp, ExecHdr *hp)
{
uvlong (*swav)(uvlong);
uint32 (*swal)(uint32);
- ushort (*swab)(ushort);
Machhdr *mp;
MachCmd **cmd;
MachSymSeg *symtab;
@@ -1012,7 +1011,6 @@ machdotout(int fd, Fhdr *fp, ExecHdr *hp)
return 0;
}
- swab = leswab;
swal = leswal;
swav = leswav;