[MIPS] math-emu minor cleanup
Declaring emulpc and contpc as "unsigned long" can get rid of some casts.
This also get rid of some sparse warnings.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index d7f05b0..17419e11 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -205,7 +205,7 @@
static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
{
mips_instruction ir;
- void * emulpc, *contpc;
+ unsigned long emulpc, contpc;
unsigned int cond;
if (get_user(ir, (mips_instruction __user *) xcp->cp0_epc)) {
@@ -230,7 +230,7 @@
* Linux MIPS branch emulator operates on context, updating the
* cp0_epc.
*/
- emulpc = (void *) (xcp->cp0_epc + 4); /* Snapshot emulation target */
+ emulpc = xcp->cp0_epc + 4; /* Snapshot emulation target */
if (__compute_return_epc(xcp)) {
#ifdef CP1DBG
@@ -244,12 +244,12 @@
return SIGBUS;
}
/* __compute_return_epc() will have updated cp0_epc */
- contpc = (void *) xcp->cp0_epc;
+ contpc = xcp->cp0_epc;
/* In order not to confuse ptrace() et al, tweak context */
- xcp->cp0_epc = (unsigned long) emulpc - 4;
+ xcp->cp0_epc = emulpc - 4;
} else {
- emulpc = (void *) xcp->cp0_epc;
- contpc = (void *) (xcp->cp0_epc + 4);
+ emulpc = xcp->cp0_epc;
+ contpc = xcp->cp0_epc + 4;
}
emul:
@@ -427,8 +427,7 @@
* instruction
*/
xcp->cp0_epc += 4;
- contpc = (void *)
- (xcp->cp0_epc +
+ contpc = (xcp->cp0_epc +
(MIPSInst_SIMM(ir) << 2));
if (get_user(ir,
@@ -462,7 +461,7 @@
* Single step the non-cp1
* instruction in the dslot
*/
- return mips_dsemul(xcp, ir, (unsigned long) contpc);
+ return mips_dsemul(xcp, ir, contpc);
}
else {
/* branch not taken */
@@ -521,7 +520,7 @@
}
/* we did it !! */
- xcp->cp0_epc = (unsigned long) contpc;
+ xcp->cp0_epc = contpc;
xcp->cp0_cause &= ~CAUSEF_BD;
return 0;