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seem to be better ?

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This commit is contained in:
Ced2911 2013-08-12 19:41:12 +02:00
parent d613c44303
commit fa49be4a82
2 changed files with 16 additions and 20 deletions
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35
Common/ppcEmitter.cpp
View File

@ -136,10 +136,12 @@ namespace PpcGen {
Write32(instr);
}
#define CHECK_JUMP if ((s32(code) - (s32)fnptr) > 0xFFFF) { DebugBreak();}
#define IS_SMALL_JUMP (((u32)code - (u32)fnptr)>=-32767 && ((u32)code - (u32)fnptr)<=-32767)
#define CHECK_SMALL_JUMP { if(IS_SMALL_JUMP) { DebugBreak(); } }
void PPCXEmitter::BEQ (const void *fnptr) {
CHECK_JUMP
CHECK_SMALL_JUMP
s32 func = (s32)fnptr - s32(code);
u32 instr = (0x41820000 | ( func & 0xfffc));
@ -148,7 +150,7 @@ namespace PpcGen {
void PPCXEmitter::BGT(const void *fnptr) {
CHECK_JUMP
CHECK_SMALL_JUMP
s32 func = (s32)fnptr - s32(code);
u32 instr = (0x41810000 | (((s16)(((func)+1))) & 0xfffc));
@ -163,7 +165,7 @@ namespace PpcGen {
void PPCXEmitter::BLT (const void *fnptr) {
//CHECK_JUMP
if ((s32(code) - (s32)fnptr) > 0xFFFF) {
if (!IS_SMALL_JUMP) {
u32 func_addr = (u32) fnptr;
// Load func address
MOVI2R(R0, func_addr);
@ -180,19 +182,12 @@ namespace PpcGen {
}
void PPCXEmitter::BLE (const void *fnptr) {
CHECK_JUMP
CHECK_SMALL_JUMP
s32 func = (s32)fnptr - s32(code);
u32 instr = (0x40810000 | (((s16)(((func)+1))) & 0xfffc));
Write32(instr);
}
void PPCXEmitter::BEQ (PPCReg r) {
//s32 func = (s32)(fnptr);
//u32 instr = (0x48000003 | ((s32)((func) & 0x3fffffc)));
//Write32(instr);
DebugBreak();
}
void PPCXEmitter::BCTRL() {
Write32(0x4E800421);
@ -290,8 +285,8 @@ namespace PpcGen {
void PPCXEmitter::SetJumpTarget(FixupBranch const &branch)
{
s32 distance = s32(code) - (s32)branch.ptr;
_assert_msg_(DYNA_REC, distance > -33554432
&& distance <= 33554432,
_assert_msg_(DYNA_REC, distance > -32767
&& distance <= 32767,
"SetJumpTarget out of range (%p calls %p)", code,
branch.ptr);
@ -309,7 +304,6 @@ namespace PpcGen {
*(u32*)branch.ptr = (0x40820000 | ((s16)(((distance)+1)) & 0xfffc));
break;
case _BLT:
printf("fxBLT : %08x - %08x\n", (u32)branch.ptr, distance);
*(u32*)branch.ptr = (0x41800000 | ((s16)(((distance)+1)) & 0xfffc));
break;
case _BLE:
@ -345,13 +339,14 @@ namespace PpcGen {
void PPCXEmitter::CMP(PPCReg a, PPCReg b) {
Write32((31 << 26) | (a << 16) | (b << 11));
}
void PPCXEmitter::CMPL(PPCReg a, PPCReg b) {
Write32((31 << 26) | (a << 16) | (b << 11) | (1<<6));
}
// Others operation
void PPCXEmitter::ORI(PPCReg src, PPCReg dest, unsigned short imm) {
if (!((imm == 0) && ((src^dest) == 0))) {
u32 instr = (0x60000000 | (src << 21) | (dest << 16) | (imm & 0xffff));
Write32(instr);
}
void PPCXEmitter::ORI(PPCReg src, PPCReg dest, unsigned short imm) {
u32 instr = (0x60000000 | (src << 21) | (dest << 16) | (imm & 0xffff));
Write32(instr);
}
void PPCXEmitter::OR(PPCReg Rd, PPCReg Ra, PPCReg Rb) {

1
Common/ppcEmitter.h
View File

@ -271,6 +271,7 @@ public:
void CMPLWI (PPCReg dest, unsigned short imm);
void CMPLI (PPCReg dest, unsigned short imm);
void CMPI (PPCReg dest, unsigned short imm);
void CMPL (PPCReg a, PPCReg b);
void CMP (PPCReg a, PPCReg b);
// Debug !