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Merge git://github.com/hw-claudio/qemu-aarch64-queue into tcg-next

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This commit is contained in:
Richard Henderson 2013-07-15 13:21:10 -07:00
commit f290e4988d
3 changed files with 218 additions and 54 deletions
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14
include/exec/exec-all.h
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@ -358,6 +358,20 @@ static inline uintptr_t tcg_getpc_ldst(uintptr_t ra)
not the start of the next opcode */
return ra;
}
#elif defined(__aarch64__)
# define GETRA() ((uintptr_t)__builtin_return_address(0))
# define GETPC_LDST() tcg_getpc_ldst(GETRA())
static inline uintptr_t tcg_getpc_ldst(uintptr_t ra)
{
int32_t b;
ra += 4; /* skip one instruction */
b = *(int32_t *)ra; /* load the branch insn */
b = (b << 6) >> (6 - 2); /* extract the displacement */
ra += b; /* apply the displacement */
ra -= 4; /* return a pointer into the current opcode,
not the start of the next opcode */
return ra;
}
# else
# error "CONFIG_QEMU_LDST_OPTIMIZATION needs GETPC_LDST() implementation!"
# endif