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sh2 drc, backend 32/64 bit compatibility fixes for Mips/RiscV

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This commit is contained in:
kub 2020-06-23 23:34:07 +02:00
parent bb83412c51
commit c815b1bc59
3 changed files with 34 additions and 28 deletions
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33
cpu/drc/emit_riscv.c
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@ -244,6 +244,8 @@ enum { F2_ALT=0x20, F2_MULDIV=0x01 };
} while (0)
#endif
#define PTR_SIZE (1<<PTR_SCALE)
#define R5_ADDW_REG(rd, rs, rt) (R5_ADD_REG(rd, rs, rt)^R5_OP32)
#define R5_SUBW_REG(rd, rs, rt) (R5_SUB_REG(rd, rs, rt)^R5_OP32)
#define R5_LSLW_REG(rd, rs, rt) (R5_LSL_REG(rd, rs, rt)^R5_OP32)
@ -1144,22 +1146,22 @@ static void emith_st_offs(int sz, int rt, int rs, int o12)
// function call handling
#define emith_save_caller_regs(mask) do { \
int _c; u32 _m = mask & 0x3fce0; /* x5-x7,x10-x17 */ \
int _c, _z = PTR_SIZE; u32 _m = mask & 0x3fce0; /* x5-x7,x10-x17 */ \
_c = count_bits(_m)&3; _m |= (1<<((4-_c)&3))-1; /* ABI align */ \
int _s = count_bits(_m) * 4, _o = _s; \
int _s = count_bits(_m) * _z, _o = _s; \
if (_s) emith_add_r_r_ptr_imm(SP, SP, -_s); \
for (_c = HOST_REGS-1; _m && _c >= 0; _m &= ~(1 << _c), _c--) \
if (_m & (1 << _c)) \
{ _o -= 4; if (_c) emith_write_r_r_offs(_c, SP, _o); } \
{ _o -= _z; if (_c) emith_write_r_r_offs_ptr(_c, SP, _o); } \
} while (0)
#define emith_restore_caller_regs(mask) do { \
int _c; u32 _m = mask & 0x3fce0; \
int _c, _z = PTR_SIZE; u32 _m = mask & 0x3fce0; \
_c = count_bits(_m)&3; _m |= (1<<((4-_c)&3))-1; /* ABI align */ \
int _s = count_bits(_m) * 4, _o = 0; \
int _s = count_bits(_m) * _z, _o = 0; \
for (_c = 0; _m && _c < HOST_REGS; _m &= ~(1 << _c), _c++) \
if (_m & (1 << _c)) \
{ if (_c) emith_read_r_r_offs(_c, SP, _o); _o += 4; } \
{ if (_c) emith_read_r_r_offs_ptr(_c, SP, _o); _o += _z; } \
if (_s) emith_add_r_r_ptr_imm(SP, SP, _s); \
} while (0)
@ -1312,6 +1314,7 @@ static int emith_cond_check(int cond, int *r, int *s)
// NB: returns position of patch for cache maintenance
#define emith_jump_patch(ptr, target, pos) do { \
u32 *ptr_ = (u32 *)ptr; /* must skip condition check code */ \
while ((*ptr_&0x77) != OP_BCOND && (*ptr_&0x77) != OP_LUI) ptr_ ++; \
if ((*ptr_&0x77) == OP_BCOND) { \
u32 *p_ = ptr_, disp_ = (u8 *)target - (u8 *)ptr_; \
u32 f1_ = _CB(*ptr_,3,12,0); \
@ -1382,13 +1385,13 @@ static int emith_cond_check(int cond, int *r, int *s)
#define emith_push_ret(r) do { \
emith_add_r_r_ptr_imm(SP, SP, -16); /* ABI requires 16 byte aligment */\
emith_write_r_r_offs(LR, SP, 4); \
emith_write_r_r_offs_ptr(LR, SP, 8); \
if ((r) > 0) emith_write_r_r_offs(r, SP, 0); \
} while (0)
#define emith_pop_and_ret(r) do { \
if ((r) > 0) emith_read_r_r_offs(r, SP, 0); \
emith_read_r_r_offs(LR, SP, 4); \
emith_read_r_r_offs_ptr(LR, SP, 8); \
emith_add_r_r_ptr_imm(SP, SP, 16); \
emith_ret(); \
} while (0)
@ -1404,21 +1407,21 @@ static int emith_cond_check(int cond, int *r, int *s)
// SH2 drc specific
#define emith_sh2_drc_entry() do { \
int _c; u32 _m = 0x0ffc0202; /* x1,x9,x18-x27 */ \
int _c, _z = PTR_SIZE; u32 _m = 0x0ffc0202; /* x1,x9,x18-x27 */ \
_c = count_bits(_m)&3; _m |= (1<<((4-_c)&3))-1; /* ABI align */ \
int _s = count_bits(_m) * 4, _o = _s; \
int _s = count_bits(_m) * _z, _o = _s; \
if (_s) emith_add_r_r_ptr_imm(SP, SP, -_s); \
for (_c = HOST_REGS-1; _m && _c >= 0; _m &= ~(1 << _c), _c--) \
if (_m & (1 << _c)) \
{ _o -= 4; if (_c) emith_write_r_r_offs(_c, SP, _o); } \
{ _o -= _z; if (_c) emith_write_r_r_offs_ptr(_c, SP, _o); } \
} while (0)
#define emith_sh2_drc_exit() do { \
int _c; u32 _m = 0x0ffc0202; \
int _c, _z = PTR_SIZE; u32 _m = 0x0ffc0202; \
_c = count_bits(_m)&3; _m |= (1<<((4-_c)&3))-1; /* ABI align */ \
int _s = count_bits(_m) * 4, _o = 0; \
int _s = count_bits(_m) * _z, _o = 0; \
for (_c = 0; _m && _c < HOST_REGS; _m &= ~(1 << _c), _c++) \
if (_m & (1 << _c)) \
{ if (_c) emith_read_r_r_offs(_c, SP, _o); _o += 4; } \
{ if (_c) emith_read_r_r_offs_ptr(_c, SP, _o); _o += _z; } \
if (_s) emith_add_r_r_ptr_imm(SP, SP, _s); \
emith_ret(); \
} while (0)
@ -1428,7 +1431,7 @@ static int emith_cond_check(int cond, int *r, int *s)
emith_lsr(mask, a, SH2_READ_SHIFT); \
emith_add_r_r_r_lsl_ptr(tab, tab, mask, PTR_SCALE+1); \
emith_read_r_r_offs_ptr(func, tab, 0); \
emith_read_r_r_offs(mask, tab, 1 << PTR_SCALE); \
emith_read_r_r_offs(mask, tab, PTR_SIZE); \
emith_addf_r_r_r_ptr(func, func, func); \
} while (0)