Convert to use real temp variables instead of clobbering processor
registers.
Signed-off-by: Helge Deller <deller@xxxxxx>
---
arch/parisc/kernel/unaligned.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index 8fbe000b33e7..0d6e90d6f497 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -234,7 +234,7 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
static int emulate_sth(struct pt_regs *regs, int frreg)
{
- unsigned long val = regs->gr[frreg];
+ unsigned long val = regs->gr[frreg], temp1;
ASM_EXCEPTIONTABLE_VAR(ret);
if (!frreg)
@@ -244,16 +244,15 @@ static int emulate_sth(struct pt_regs *regs, int frreg)
val, regs->isr, regs->ior);
__asm__ __volatile__ (
-" mtsp %3, %%sr1\n"
-" extrw,u %1, 23, 8, %%r19\n"
-"1: stb %1, 1(%%sr1, %2)\n"
-"2: stb %%r19, 0(%%sr1, %2)\n"
+" mtsp %4, %%sr1\n"
+" extrw,u %2, 23, 8, %1\n"
+"1: stb %1, 0(%%sr1, %3)\n"
+"2: stb %2, 1(%%sr1, %3)\n"
"3: \n"
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b)
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b)
- : "+r" (ret)
- : "r" (val), "r" (regs->ior), "r" (regs->isr)
- : "r19" );
+ : "+r" (ret), "=&r" (temp1)
+ : "r" (val), "r" (regs->ior), "r" (regs->isr) );
return ret;
}
--
2.34.1
