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sh2 memory interface optimzations

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This commit is contained in:
kub 2019-04-03 23:21:20 +02:00
parent 4f4e9bf3bd
commit 6822ba9d64
10 changed files with 585 additions and 157 deletions
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68
cpu/drc/emit_x86.c
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@ -52,6 +52,9 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define DCOND_VS ICOND_JO // oVerflow Set
#define DCOND_VC ICOND_JNO // oVerflow Clear
#define DCOND_CS ICOND_JB // carry set
#define DCOND_CC ICOND_JAE // carry clear
#define EMIT_PTR(ptr, val, type) \
*(type *)(ptr) = val
@ -118,6 +121,11 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_add_r_r(d, s) \
EMIT_OP_MODRM(0x01, 3, s, d)
#define emith_add_r_r_ptr(d, s) do { \
EMIT_REX_IF(1, dst, src); \
EMIT_OP_MODRM64(0x01, 3, s, d); \
} while (0)
#define emith_sub_r_r(d, s) \
EMIT_OP_MODRM(0x29, 3, s, d)
@ -341,6 +349,15 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_tst_r_imm(r, imm)
#define emith_ror_c(cond, d, s, cnt) \
emith_ror(d, s, cnt)
#define emith_and_r_r_c(cond, d, s) \
emith_and_r_r(d, s);
#define emith_read8_r_r_r_c(cond, r, rs, rm) \
emith_read8_r_r_r(r, rs, rm)
#define emith_read16_r_r_r_c(cond, r, rs, rm) \
emith_read16_r_r_r(r, rs, rm)
#define emith_read_r_r_r_c(cond, r, rs, rm) \
emith_read_r_r_r(r, rs, rm)
#define emith_read_r_r_offs_c(cond, r, rs, offs) \
emith_read_r_r_offs(r, rs, offs)
@ -621,6 +638,30 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_write_r_r_offs(r, rs, offs); \
} while (0)
#define emith_read8_r_r_r(r, rs, rm) do { \
int r_ = r; \
if (!is_abcdx(r)) \
r_ = rcache_get_tmp(); \
EMIT(0x0f, u8); \
EMIT_OP_MODRM(0xb6, 0, r, 4); \
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
if ((r) != r_) { \
emith_move_r_r(r, r_); \
rcache_free_tmp(r_); \
} \
} while (0)
#define emith_read16_r_r_r(r, rs, rm) do { \
EMIT(0x0f, u8); \
EMIT_OP_MODRM(0xb7, 0, r, 4); \
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
} while (0)
#define emith_read_r_r_r(r, rs, rm) do { \
EMIT_OP_MODRM(0x8b, 0, r, 4); \
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
} while (0)
#define emith_ctx_read(r, offs) \
emith_read_r_r_offs(r, CONTEXT_REG, offs)
@ -888,15 +929,30 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
if ((mask) & (1 << xAX)) emith_pop(xAX); \
} while (0)
#define emith_sh2_wcall(a, tab) { \
#define emith_sh2_rcall(a, tab, func, mask) { \
emith_lsr(mask, a, SH2_READ_SHIFT); \
EMIT_REX_IF(1, mask, tab); \
EMIT_OP_MODRM64(0x8d, 0, tab, 4); \
EMIT_SIB64(PTR_SCALE, mask, tab); /* lea tab, [tab + mask * {4,8}] */ \
EMIT_REX_IF(1, mask, tab); \
EMIT_OP_MODRM64(0x8d, 0, tab, 4); \
EMIT_SIB64(PTR_SCALE, mask, tab); /* lea tab, [tab + mask * {4,8}] */ \
EMIT_REX_IF(1, func, tab); \
EMIT_OP_MODRM64(0x8b, 0, func, tab); /* mov func, [tab] */ \
EMIT_OP_MODRM64(0x8b, 1, mask, tab); \
EMIT(1 << PTR_SCALE, u8); /* mov mask, [tab + {4,8}] */ \
emith_add_r_r_ptr(func, func); \
}
#define emith_sh2_wcall(a, val, tab, func) { \
int arg2_; \
host_arg2reg(arg2_, 2); \
emith_lsr(NA_TMP_REG, a, SH2_WRITE_SHIFT); \
EMIT_REX_IF(1, NA_TMP_REG, tab); \
EMIT_OP_MODRM64(0x8b, 0, NA_TMP_REG, 4); \
EMIT_SIB64(PTR_SCALE, NA_TMP_REG, tab); /* mov tmp, [tab + tmp * {4,8}] */ \
emith_lsr(func, a, SH2_WRITE_SHIFT); /* tmp = a >> WRT_SHIFT */ \
EMIT_REX_IF(1, func, tab); \
EMIT_OP_MODRM64(0x8b, 0, func, 4); \
EMIT_SIB64(PTR_SCALE, func, tab); /* mov tmp, [tab + tmp * {4,8}] */ \
emith_move_r_r_ptr(arg2_, CONTEXT_REG); \
emith_jump_reg(NA_TMP_REG); \
emith_jump_reg(func); \
}
#define emith_sh2_dtbf_loop() { \