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compiler/gcc4: Add quirk for 'asm goto' miscompilation bug
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
arch
/
s390
/
include
/
asm
/
jump_label.h
diff --git
a/arch/s390/include/asm/jump_label.h
b/arch/s390/include/asm/jump_label.h
index
6c32190
..
346b1c8
100644
(file)
--- a/
arch/s390/include/asm/jump_label.h
+++ b/
arch/s390/include/asm/jump_label.h
@@
-15,7
+15,7
@@
static __always_inline bool arch_static_branch(struct static_key *key)
{
- asm
goto("0:
brcl 0,0\n"
+ asm
_volatile_goto("0:
brcl 0,0\n"
".pushsection __jump_table, \"aw\"\n"
ASM_ALIGN "\n"
ASM_PTR " 0b, %l[label], %0\n"