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32x: drc: more bugfixing

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@865 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-01-23 20:54:28 +00:00
parent a2b8c5a545
commit 04092e329b
5 changed files with 139 additions and 76 deletions
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55
cpu/drc/emit_x86.c
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@ -63,10 +63,10 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define EMIT_SIB(scale,index,base) \
EMIT(((scale)<<6) | ((index)<<3) | (base), u8)
#define EMIT_OP_MODRM(op,mod,r,rm) { \
#define EMIT_OP_MODRM(op,mod,r,rm) do { \
EMIT_OP(op); \
EMIT_MODRM(mod, r, rm); \
}
} while (0)
#define JMP8_POS(ptr) \
ptr = tcache_ptr; \
@ -418,48 +418,43 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define is_abcdx(r) (xAX <= (r) && (r) <= xDX)
#define emith_read_op_8_16(op, r, rs, offs) do { \
int r_ = r; \
if (!is_abcdx(r)) \
r_ = rcache_get_tmp(); \
emith_deref_op(op, r_, rs, offs); \
if ((r) != r_) { \
emith_move_r_r(r, r_); \
rcache_free_tmp(r_); \
} \
} while (0)
#define emith_write_op_8_16(op, r, rs, offs) do { \
int r_ = r; \
if (!is_abcdx(r)) { \
r_ = rcache_get_tmp(); \
emith_move_r_r(r_, r); \
} \
emith_deref_op(op, r_, rs, offs); \
if ((r) != r_) \
rcache_free_tmp(r_); \
} while (0)
#define emith_read_r_r_offs(r, rs, offs) \
emith_deref_op(0x8b, r, rs, offs)
#define emith_write_r_r_offs(r, rs, offs) \
emith_deref_op(0x89, r, rs, offs)
#define emith_read8_r_r_offs(r, rs, offs) \
emith_read_op_8_16(0x8a, r, rs, offs)
// note: don't use prefixes on this
#define emith_read8_r_r_offs(r, rs, offs) do { \
int r_ = r; \
if (!is_abcdx(r)) \
r_ = rcache_get_tmp(); \
emith_deref_op(0x8a, r_, rs, offs); \
if ((r) != r_) { \
emith_move_r_r(r, r_); \
rcache_free_tmp(r_); \
} \
} while (0)
#define emith_write8_r_r_offs(r, rs, offs) \
emith_write_op_8_16(0x88, r, rs, offs)
#define emith_write8_r_r_offs(r, rs, offs) do {\
int r_ = r; \
if (!is_abcdx(r)) { \
r_ = rcache_get_tmp(); \
emith_move_r_r(r_, r); \
} \
emith_deref_op(0x88, r_, rs, offs); \
if ((r) != r_) \
rcache_free_tmp(r_); \
} while (0)
#define emith_read16_r_r_offs(r, rs, offs) { \
EMIT(0x66, u8); /* operand override */ \
emith_read_op_8_16(0x8b, r, rs, offs); \
emith_read_r_r_offs(r, rs, offs); \
}
#define emith_write16_r_r_offs(r, rs, offs) { \
EMIT(0x66, u8); \
emith_read_op_8_16(0x89, r, rs, offs); \
emith_write_r_r_offs(r, rs, offs); \
}
#define emith_ctx_read(r, offs) \