notaz.gp2x.de
/
picodrive.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
32x: drc: finish MAC, gen drc entry/exit (for statically alloced regs)
[picodrive.git]
/
cpu
/
drc
/
emit_x86.c
diff --git
a/cpu/drc/emit_x86.c
b/cpu/drc/emit_x86.c
index
6ef8ede
..
7f314f0
100644
(file)
--- a/
cpu/drc/emit_x86.c
+++ b/
cpu/drc/emit_x86.c
@@
-202,6
+202,11
@@
enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_arith_r_imm(4, r, ~(imm))
// fake conditionals (using SJMP instead)
emith_arith_r_imm(4, r, ~(imm))
// fake conditionals (using SJMP instead)
+#define emith_move_r_imm_c(cond, r, imm) { \
+ (void)(cond); \
+ emith_move_r_imm(r, imm); \
+}
+
#define emith_add_r_imm_c(cond, r, imm) { \
(void)(cond); \
emith_add_r_imm(r, imm); \
#define emith_add_r_imm_c(cond, r, imm) { \
(void)(cond); \
emith_add_r_imm(r, imm); \
@@
-365,6
+370,7
@@
enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_subf_r_r emith_sub_r_r
#define emith_adcf_r_r emith_adc_r_r
#define emith_sbcf_r_r emith_sbc_r_r
#define emith_subf_r_r emith_sub_r_r
#define emith_adcf_r_r emith_adc_r_r
#define emith_sbcf_r_r emith_sbc_r_r
+#define emith_eorf_r_r emith_eor_r_r
#define emith_negcf_r_r emith_negc_r_r
#define emith_lslf emith_lsl
#define emith_negcf_r_r emith_negc_r_r
#define emith_lslf emith_lsl
@@
-376,15
+382,27
@@
enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_rorcf emith_rorc
// XXX: offs is 8bit only
#define emith_rorcf emith_rorc
// XXX: offs is 8bit only
-#define emith_ctx_read(r, offs) { \
+#define emith_ctx_read(r, offs)
do
{ \
EMIT_OP_MODRM(0x8b, 1, r, xBP); \
EMIT(offs, u8); /* mov tmp, [ebp+#offs] */ \
EMIT_OP_MODRM(0x8b, 1, r, xBP); \
EMIT(offs, u8); /* mov tmp, [ebp+#offs] */ \
-}
+}
while (0)
-#define emith_ctx_write(r, offs) { \
+#define emith_ctx_read_multiple(r, offs, cnt, tmpr) do { \
+ int r_ = r, offs_ = offs, cnt_ = cnt; \
+ for (; cnt > 0; r_++, offs_ += 4, cnt_--) \
+ emith_ctx_read(r_, offs_); \
+} while (0)
+
+#define emith_ctx_write(r, offs) do { \
EMIT_OP_MODRM(0x89, 1, r, xBP); \
EMIT(offs, u8); /* mov [ebp+#offs], tmp */ \
EMIT_OP_MODRM(0x89, 1, r, xBP); \
EMIT(offs, u8); /* mov [ebp+#offs], tmp */ \
-}
+} while (0)
+
+#define emith_ctx_write_multiple(r, offs, cnt, tmpr) do { \
+ int r_ = r, offs_ = offs, cnt_ = cnt; \
+ for (; cnt > 0; r_++, offs_ += 4, cnt_--) \
+ emith_ctx_write(r_, offs_); \
+} while (0)
#define emith_jump(ptr) { \
u32 disp = (u32)ptr - ((u32)tcache_ptr + 5); \
#define emith_jump(ptr) { \
u32 disp = (u32)ptr - ((u32)tcache_ptr + 5); \
@@
-401,15
+419,21
@@
enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_call_cond(cond, ptr) \
emith_call(ptr)
#define emith_call_cond(cond, ptr) \
emith_call(ptr)
-// "simple" or "short" jump
-#define EMITH_SJMP_START(cond) { \
+#define emith_jump_reg(r) \
+ EMIT_OP_MODRM(0xff, 3, 4, r)
+
+#define EMITH_JMP_START(cond) { \
u8 *cond_ptr; \
JMP8_POS(cond_ptr)
u8 *cond_ptr; \
JMP8_POS(cond_ptr)
-#define EMITH_
S
JMP_END(cond) \
+#define EMITH_JMP_END(cond) \
JMP8_EMIT(cond, cond_ptr); \
}
JMP8_EMIT(cond, cond_ptr); \
}
+// "simple" jump (no more then a few insns)
+#define EMITH_SJMP_START EMITH_JMP_START
+#define EMITH_SJMP_END EMITH_JMP_END
+
#define host_arg2reg(rd, arg) \
switch (arg) { \
case 0: rd = xAX; break; \
#define host_arg2reg(rd, arg) \
switch (arg) { \
case 0: rd = xAX; break; \
@@
-430,6
+454,17
@@
enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
}
/* SH2 drc specific */
}
/* SH2 drc specific */
+#define emith_sh2_drc_entry() { \
+ emith_push(xBX); \
+ emith_push(xBP); \
+}
+
+#define emith_sh2_drc_exit() { \
+ emith_pop(xBP); \
+ emith_pop(xBX); \
+ EMIT_OP(0xc3); /* ret */\
+}
+
#define emith_sh2_test_t() { \
int t = rcache_get_reg(SHR_SR, RC_GR_READ); \
EMIT_OP_MODRM(0xf6, 3, 0, t); \
#define emith_sh2_test_t() { \
int t = rcache_get_reg(SHR_SR, RC_GR_READ); \
EMIT_OP_MODRM(0xf6, 3, 0, t); \