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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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27
cpu/drc/emit_mips.c
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@ -286,6 +286,7 @@ enum { RB_SRL=0, RB_ROTR=1 };
#define FN_PSUBU FN_SUBU
#define PTR_SCALE 2
#endif
#define PTR_SIZE (1<<PTR_SCALE)
// XXX: tcache_ptr type for SVP and SH2 compilers differs..
#define EMIT_PTR(ptr, x) \
@ -1541,16 +1542,18 @@ static int emith_cond_check(int cond, int *r)
#define emith_add_r_ret(r) \
emith_add_r_r_ptr(r, LR)
// NB: ABI SP alignment is 8 for compatibility with MIPS IV
// NB: ABI SP alignment is 8 for 64 bit, O32 has a 16 byte arg save area
#define emith_push_ret(r) do { \
emith_add_r_r_ptr_imm(SP, SP, -8-16); /* O32: 16 byte arg save area */ \
emith_write_r_r_offs(LR, SP, 4+16); \
if ((r) > 0) emith_write_r_r_offs(r, SP, 0+16); \
int offs_ = 8+16 - 2*PTR_SIZE; \
emith_add_r_r_ptr_imm(SP, SP, -8-16); \
emith_write_r_r_offs_ptr(LR, SP, offs_ + PTR_SIZE); \
if ((r) > 0) emith_write_r_r_offs(r, SP, offs_); \
} while (0)
#define emith_pop_and_ret(r) do { \
if ((r) > 0) emith_read_r_r_offs(r, SP, 0+16); \
emith_read_r_r_offs(LR, SP, 4+16); \
int offs_ = 8+16 - 2*PTR_SIZE; \
if ((r) > 0) emith_read_r_r_offs(r, SP, offs_); \
emith_read_r_r_offs_ptr(LR, SP, offs_ + PTR_SIZE); \
emith_add_r_r_ptr_imm(SP, SP, 8+16); \
emith_ret(); \
} while (0)
@ -1567,21 +1570,21 @@ static int emith_cond_check(int cond, int *r)
// SH2 drc specific
#define emith_sh2_drc_entry() do { \
int _c; u32 _m = 0xd0ff0000; \
int _c, _z = PTR_SIZE; u32 _m = 0xd0ff0000; \
if (__builtin_parity(_m) == 1) _m |= 0x1; /* ABI align for SP is 8 */ \
int _s = count_bits(_m) * 4 + 16, _o = _s; /* 16 byte arg save area */ \
int _s = count_bits(_m) * _z + 16, _o = _s; /* 16 O32 arg save area */ \
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 = 0xd0ff0000; \
int _c, _z = PTR_SIZE; u32 _m = 0xd0ff0000; \
if (__builtin_parity(_m) == 1) _m |= 0x1; \
int _s = count_bits(_m) * 4 + 16, _o = 16; \
int _s = count_bits(_m) * _z + 16, _o = 16; \
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)