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drc: split disassembly to separate pass

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allows easier analysis
This commit is contained in:
notaz 2013-07-20 20:33:44 +03:00
parent 8cc76b4886
commit bf092a3631
6 changed files with 1001 additions and 338 deletions
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14
cpu/drc/emit_x86.c
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@ -145,6 +145,17 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
}
// _r_r_r
#define emith_add_r_r_r(d, s1, s2) { \
if (d == s1) { \
emith_add_r_r(d, s2); \
} else if (d == s2) { \
emith_add_r_r(d, s1); \
} else { \
emith_move_r_r(d, s1); \
emith_add_r_r(d, s2); \
} \
}
#define emith_eor_r_r_r(d, s1, s2) { \
if (d == s1) { \
emith_eor_r_r(d, s2); \
@ -618,14 +629,13 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
}
// assumes EBX is free temporary
#define emith_sh2_wcall(a, tab, ret_ptr) { \
#define emith_sh2_wcall(a, tab) { \
int arg2_; \
host_arg2reg(arg2_, 2); \
emith_lsr(xBX, a, SH2_WRITE_SHIFT); \
EMIT_OP_MODRM(0x8b, 0, xBX, 4); \
EMIT_SIB(2, xBX, tab); /* mov ebx, [tab + ebx * 4] */ \
emith_ctx_read(arg2_, offsetof(SH2, is_slave)); \
emith_push_imm((long)(ret_ptr)); \
emith_jump_reg(xBX); \
}