qemu/target-m68k/op-hacks.h
pbrook e6e5906b6e ColdFire target.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2196 c046a42c-6fe2-441c-8c8c-71466251a162
2006-10-22 00:18:54 +00:00

84 lines
1.5 KiB
C

/* Various hacks to make code written for a dynamic code generator work
with regular QEMU. */
static int free_qreg;
#define QMODE_I32 1
#define QMODE_F32 1
#define QMODE_F64 2
static inline int gen_new_qreg(int mode)
{
int qreg;
qreg = free_qreg;
free_qreg += mode;
if (free_qreg > MAX_QREGS) {
fprintf(stderr, "qreg overflow\n");
abort();
}
return qreg + TARGET_NUM_QREGS;
}
static inline int gen_im32(uint32_t i)
{
int qreg = gen_new_qreg(QMODE_I32);
gen_op_mov32_im(qreg, i);
return qreg;
}
static inline void gen_op_ldf32(int dest, int addr)
{
gen_op_ld32(dest, addr);
}
static inline void gen_op_stf32(int addr, int dest)
{
gen_op_st32(addr, dest);
}
static inline void gen_op_pack_32_f32(int dest, int src)
{
gen_op_mov32(dest, src);
}
static inline void gen_op_pack_f32_32(int dest, int src)
{
gen_op_mov32(dest, src);
}
static inline void gen_op_flags_set(void)
{
/* Dummy op. */
}
static inline void gen_op_shl_im_cc(int val, int shift)
{
gen_op_shl_cc(val, gen_im32(shift));
}
static inline void gen_op_shr_im_cc(int val, int shift)
{
gen_op_shr_cc(val, gen_im32(shift));
}
static inline void gen_op_sar_im_cc(int val, int shift)
{
gen_op_sar_cc(val, gen_im32(shift));
}
#ifdef USE_DIRECT_JUMP
#define TBPARAM(x)
#else
#define TBPARAM(x) (long)(x)
#endif
static inline void gen_op_goto_tb(int dummy, int n, long tb)
{
if (n == 0) {
gen_op_goto_tb0(TBPARAM(tb));
} else {
gen_op_goto_tb1(TBPARAM(tb));
}
}