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s390/facility: get rid of register asm

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Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2021-06-14 21:30:44 +02:00 committed by Vasily Gorbik
parent dbb8864b28
commit d99aea73b4
1 changed files with 7 additions and 5 deletions
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12
arch/s390/include/asm/facility.h
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@ -64,13 +64,15 @@ static inline int test_facility(unsigned long nr)
static inline unsigned long __stfle_asm(u64 *stfle_fac_list, int size)
{
register unsigned long reg0 asm("0") = size - 1;
unsigned long reg0 = size - 1;
asm volatile(
".insn s,0xb2b00000,0(%1)" /* stfle */
: "+d" (reg0)
: "a" (stfle_fac_list)
: "memory", "cc");
" lgr 0,%[reg0]\n"
" .insn s,0xb2b00000,%[list]\n" /* stfle */
" lgr %[reg0],0\n"
: [reg0] "+&d" (reg0), [list] "+Q" (*stfle_fac_list)
:
: "memory", "cc", "0");
return reg0;
}