Fix all MIPS test failures caused by implicit declaration/int warnings.

gcc/testsuite/

	* gcc.target/mips/asm-1.c (bar): Add prototype.
	* gcc.target/mips/call-1.c (f, h): Add return type.
	* gcc.target/mips/call-5.c (f, h): Likewise.
	* gcc.target/mips/call-6.c (f, h): Likewise.
	* gcc.target/mips/call-3.c (f): Likewise.
	* gcc.target/mips/call-2.c (g): Add prototype.
	(f): Add return type.
	* gcc.target/mips/call-4.c: Likewise.
	* gcc.target/mips/code-readable-1.c (foo): Add type for x.
	* gcc.target/mips/code-readable-2.c (foo): Likewise.
	* gcc.target/mips/code-readable-3.c (foo): Likewise.
	* gcc.target/mips/code-readable-4.c (foo): Likewise.
	* gcc.target/mips/const-anchor-1.c (g): Add prototype.
	* gcc.target/mips/const-anchor-2.c (g): Likewise.
	* gcc.target/mips/const-anchor-3.c (g): Likewise.
	* gcc.target/mips/const-anchor-4.c (g): Likewise.
	* gcc.target/mips/interrupt_handler.c (t): Likewise.
	* gcc.target/mips/mips-nonpic/main-1.c (main): Add return type.
	* gcc.target/mips/mips-nonpic/main-2.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-3.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-4.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-5.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-6.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-7.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-8.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-9.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-10.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-11.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-12.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-13.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-14.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-15.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/main-16.c (main): Likewise.
	* gcc.target/mips/mips-nonpic/mips-nonpic.h
	(nonpic_call, nonpic_addr_call): Add prototype.
	(pic_call, pic_addr_call): Likewise.
	* gcc.target/mips/mips16e-extends.c (validate): Likewise.
	* gcc.target/mips/octeon-bbit-3.c (foo): Likewise.
	* gcc.target/mips/octeon-seq-4.c (h): Likewise.
	* gcc.target/mips/truncate-3.c (g): Add prototype.
	(f): Add return type.

From-SVN: r217167

gcc/testsuite/ChangeLog

+2014-11-05  Matthew Fortune  <matthew.fortune@imgtec.com>
+
+	* gcc.target/mips/asm-1.c (bar): Add prototype.
+	* gcc.target/mips/call-1.c (f, h): Add return type.
+	* gcc.target/mips/call-5.c (f, h): Likewise.
+	* gcc.target/mips/call-6.c (f, h): Likewise.
+	* gcc.target/mips/call-3.c (f): Likewise.
+	* gcc.target/mips/call-2.c (g): Add prototype.
+	(f): Add return type.
+	* gcc.target/mips/call-4.c: Likewise.
+	* gcc.target/mips/code-readable-1.c (foo): Add type for x.
+	* gcc.target/mips/code-readable-2.c (foo): Likewise.
+	* gcc.target/mips/code-readable-3.c (foo): Likewise.
+	* gcc.target/mips/code-readable-4.c (foo): Likewise.
+	* gcc.target/mips/const-anchor-1.c (g): Add prototype.
+	* gcc.target/mips/const-anchor-2.c (g): Likewise.
+	* gcc.target/mips/const-anchor-3.c (g): Likewise.
+	* gcc.target/mips/const-anchor-4.c (g): Likewise.
+	* gcc.target/mips/interrupt_handler.c (t): Likewise.
+	* gcc.target/mips/mips-nonpic/main-1.c (main): Add return type.
+	* gcc.target/mips/mips-nonpic/main-2.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-3.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-4.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-5.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-6.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-7.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-8.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-9.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-10.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-11.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-12.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-13.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-14.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-15.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/main-16.c (main): Likewise.
+	* gcc.target/mips/mips-nonpic/mips-nonpic.h
+	(nonpic_call, nonpic_addr_call): Add prototype.
+	(pic_call, pic_addr_call): Likewise.
+	* gcc.target/mips/mips16e-extends.c (validate): Likewise.
+	* gcc.target/mips/octeon-bbit-3.c (foo): Likewise.
+	* gcc.target/mips/octeon-seq-4.c (h): Likewise.
+	* gcc.target/mips/truncate-3.c (g): Add prototype.
+	(f): Add return type.
+
 2014-11-05  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/63538

gcc/testsuite/gcc.target/mips/asm-1.c

@@ -2,6 +2,8 @@
    of the call.  */
 /* { dg-do assemble } */
 
+extern void bar (void);
+
 NOMIPS16 int foo (int n)
 {
   register int k asm ("$16") = n;

gcc/testsuite/gcc.target/mips/call-1.c

@@ -12,6 +12,7 @@ __attribute__ ((noinline)) static void staticfunc () { asm (""); }
 int normal ();
 void normal2 ();
 
+int
 NOMIPS16 f (int *p)
 {
   *p = normal ();
@@ -22,6 +23,7 @@ NOMIPS16 f (int *p)
 
 int tail ();
 
+int
 NOMIPS16 h ()
 {
   return tail ();

gcc/testsuite/gcc.target/mips/call-2.c

@@ -2,6 +2,9 @@
 /* { dg-options "-mrelax-pic-calls" } */
 /* { dg-final { scan-assembler-times "\\.reloc\t1f,R_MIPS_JALR,g\n1:\tjalrs?\t" 2 } } */
 
+extern void g (void);
+
+int
 NOMIPS16 f ()
 {
   g ();

gcc/testsuite/gcc.target/mips/call-3.c

@@ -4,6 +4,7 @@
 
 __attribute__ ((visibility ("hidden"))) void g ();
 
+int
 NOMIPS16 f ()
 {
   g ();

gcc/testsuite/gcc.target/mips/call-4.c

@@ -2,6 +2,9 @@
 /* { dg-options "-mrelax-pic-calls" } */
 /* { dg-final { scan-assembler "\\.reloc\t1f,R_MIPS_JALR,g\n1:\tjalr\t" } } */
 
+extern void g (void);
+
+int
 NOMIPS16 f (int i)
 {
   while (i--)

gcc/testsuite/gcc.target/mips/call-5.c

@@ -14,6 +14,7 @@ __attribute__ ((noinline)) static void staticfunc () { asm (""); }
 int normal ();
 void normal2 ();
 
+int
 NOMIPS16 f (int *p)
 {
   *p = normal ();
@@ -24,6 +25,7 @@ NOMIPS16 f (int *p)
 
 int tail ();
 
+int
 NOMIPS16 h ()
 {
   return tail ();

gcc/testsuite/gcc.target/mips/call-6.c

@@ -13,6 +13,7 @@ __attribute__ ((noinline)) static void staticfunc () { asm (""); }
 int normal ();
 void normal2 ();
 
+int
 NOMIPS16 f (int *p)
 {
   *p = normal ();
@@ -23,6 +24,7 @@ NOMIPS16 f (int *p)
 
 int tail ();
 
+int
 NOMIPS16 h ()
 {
   return tail ();

gcc/testsuite/gcc.target/mips/code-readable-1.c

@@ -14,7 +14,7 @@ volatile int x10;
 volatile int x11;
 
 MIPS16 int
-foo (int i, volatile *x)
+foo (int i, volatile int *x)
 {
   switch (i)
     {

gcc/testsuite/gcc.target/mips/code-readable-2.c

@@ -13,7 +13,7 @@ volatile int x10;
 volatile int x11;
 
 MIPS16 int
-foo (int i, volatile *x)
+foo (int i, volatile int *x)
 {
   switch (i)
     {

gcc/testsuite/gcc.target/mips/code-readable-3.c

@@ -13,7 +13,7 @@ volatile int x10;
 volatile int x11;
 
 MIPS16 int
-foo (int i, volatile *x)
+foo (int i, volatile int *x)
 {
   switch (i)
     {

gcc/testsuite/gcc.target/mips/code-readable-4.c

@@ -14,7 +14,7 @@ volatile int x10;
 volatile int x11;
 
 MIPS16 int
-foo (int i, volatile *x)
+foo (int i, volatile int *x)
 {
   switch (i)
     {

gcc/testsuite/gcc.target/mips/const-anchor-1.c

@@ -4,6 +4,8 @@
 /* { dg-final { scan-assembler-not "0x12330000|305332224" } } */
 /* { dg-final { scan-assembler "\td?addiu\t\\\$4,\\\$\[0-9\]*,-1" } } */
 
+extern void g (int, int);
+
 NOMIPS16 void f ()
 {
   g (0x1233ffff, 0x12340001);

gcc/testsuite/gcc.target/mips/const-anchor-2.c

@@ -3,6 +3,8 @@
 /* { dg-final { scan-assembler-not "0x300000|196608" } } */
 /* { dg-final { scan-assembler "\td?addiu\t\\\$4,\\\$\[0-9\]*,32763" } } */
 
+extern void g (int, int);
+
 NOMIPS16 void f ()
 {
   g (0x30001, 0x28006);

gcc/testsuite/gcc.target/mips/const-anchor-3.c

@@ -5,6 +5,8 @@
 /* { dg-final { scan-assembler-not "0x12330000|305332224" { xfail *-*-* } } } */
 /* { dg-final { scan-assembler "\td?addiu\t\\\$5,\\\$\[0-9\]*,-1" { xfail *-*-* } } } */
 
+extern void g (int, int);
+
 NOMIPS16 void f ()
 {
   g (0x12340001, 0x1233ffff);

gcc/testsuite/gcc.target/mips/const-anchor-4.c

@@ -4,6 +4,8 @@
 /* { dg-final { scan-assembler-not "0x300000|196608" { xfail *-*-* } } } */
 /* { dg-final { scan-assembler "\td?addiu\t\\\$5,\\\$\[0-9\]*,32763" { xfail *-*-* }  } } */
 
+extern void g (int, int);
+
 NOMIPS16 void f ()
 {
   g (0x28006, 0x30001);

gcc/testsuite/gcc.target/mips/interrupt_handler.c

@@ -3,6 +3,7 @@
 /* { dg-options "-mips32r2 -msoft-float" } */
 
 void f () { }
+extern void t (void);
 
 NOMIPS16 void __attribute__ ((interrupt)) v0 () { }
 NOMIPS16 void __attribute__ ((interrupt, use_shadow_register_set)) v1 () { }

gcc/testsuite/gcc.target/mips/mips-nonpic/main-1.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_nothing ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-10.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-11.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_addr ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-12.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_addr_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-13.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_nothing ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-14.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-15.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_addr ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-16.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_addr_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-2.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-3.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_addr ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-4.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_addr_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-5.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   nonpic_nothing ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-6.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   pic_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-7.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   pic_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-8.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   pic_call ();

gcc/testsuite/gcc.target/mips/mips-nonpic/main-9.c

@@ -2,6 +2,7 @@
 
 #include "mips-nonpic.h"
 
+int
 main ()
 {
   pic_addr ();

gcc/testsuite/gcc.target/mips/mips-nonpic/mips-nonpic.h

@@ -9,10 +9,14 @@ extern int hit_nonpic_call;
 extern int hit_nonpic_nothing;
 
 extern void nonpic_addr (void);
+extern void nonpic_call (void);
+extern void nonpic_addr_call (void);
 extern void nonpic_nothing (void);
 extern void nonpic_receive_fn_addr (void *);
 
 extern void pic_addr (void);
+extern void pic_call (void);
+extern void pic_addr_call (void);
 extern void pic_receive_fn_addr (void *);
 extern void pic_nothing (void);
 

gcc/testsuite/gcc.target/mips/mips16e-extends.c

@@ -2,6 +2,8 @@
 /* { dg-options "(-mips16) isa_rev>=1 -mlong32" } */
 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
 
+extern int validate ();
+
 MIPS16 short cksum16 (unsigned long n)
 {
   unsigned long l;

gcc/testsuite/gcc.target/mips/octeon-bbit-3.c

@@ -31,6 +31,8 @@ typedef struct bitfield_s {
   ulong64 f:18;
 } bitfield_t;
 
+void foo (bitfield_t*);
+
 bitfield_t bar;
 
 NOMIPS16 void

gcc/testsuite/gcc.target/mips/octeon-seq-4.c

@@ -6,6 +6,8 @@
 unsigned
 m (unsigned e);
 
+extern void h ();
+
 NOMIPS16 void
 f (unsigned i)
 {

gcc/testsuite/gcc.target/mips/truncate-3.c

@@ -3,6 +3,9 @@
 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
 /* { dg-final { scan-assembler-not "\tandi?\t" } } */
 
+extern void g (int);
+
+int
 f (long long d)
 {
   long long c = d & 0xffffffffff;