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small opt in push tracker

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--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40152
This commit is contained in:
Borja Ferrer 2006-11-06 22:23:13 +00:00
parent 739bad1912
commit 4459591825
3 changed files with 18 additions and 26 deletions
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4
sourcepawn/vm/jit/x86/jit_x86.cpp
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@ -1624,12 +1624,12 @@ inline void WriteOp_Tracker_Push_C(JitWriter *jit)
/* Push the value into the stack and increment pCur */
//mov edx, [eax+vm[]]
//mov ecx, [edx+pcur]
//mov [ecx], <val>*4 ; we want the count in bytes not in cells
//add [edx+pcur], 4
//mov [ecx], <val>*4 ; we want the count in bytes not in cells
IA32_Mov_Reg_Rm_Disp8(jit, REG_EDX, REG_EAX, offsetof(sp_context_t, vm[JITVARS_TRACKER]));
IA32_Mov_Reg_Rm_Disp8(jit, AMX_REG_TMP, REG_EDX, offsetof(tracker_t, pCur));
IA32_Mov_Rm_Imm32(jit, AMX_REG_TMP, val*4, MOD_MEM_REG);
IA32_Add_Rm_Imm8_Disp8(jit, REG_EDX, 4, offsetof(tracker_t, pCur));
IA32_Mov_Rm_Imm32(jit, AMX_REG_TMP, val*4, MOD_MEM_REG);
/* Restore PRI & ALT */
//pop edx

38
sourcepawn/vm/jit/x86/opcode_helpers.cpp
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@ -520,8 +520,8 @@ void WriteIntrinsic_GenArray(JitWriter *jit)
//jae :done ;end loop if done
//mov ecx, [edi+eax*4] ;get dimension size
//imul edx, ecx ;multiply by size
//add edx, ecx ;add size (indirection vector)
//add eax, 1 ;increment
//add edx, ecx ;add size (indirection vector)
//jmp :loop ;jump back
//:done
IA32_Mov_Reg_Rm(jit, REG_EDX, AMX_REG_STK, MOD_MEM_REG);
@ -531,8 +531,8 @@ void WriteIntrinsic_GenArray(JitWriter *jit)
jitoffs_t done1 = IA32_Jump_Cond_Imm8(jit, CC_AE, 0);
IA32_Mov_Reg_Rm_Disp_Reg(jit, REG_ECX, AMX_REG_STK, REG_EAX, SCALE4);
IA32_IMul_Reg_Rm(jit, REG_EDX, REG_ECX, MOD_REG);
IA32_Add_Reg_Rm(jit, REG_EDX, REG_ECX, MOD_REG);
IA32_Add_Rm_Imm8(jit, REG_EAX, 1, MOD_REG);
IA32_Add_Reg_Rm(jit, REG_EDX, REG_ECX, MOD_REG);
IA32_Write_Jump8(jit, IA32_Jump_Imm8(jit, loop1), loop1);
IA32_Send_Jump8_Here(jit, done1);
@ -573,7 +573,7 @@ void WriteIntrinsic_GenArray(JitWriter *jit)
//push edi ;push dim array
//push ebx
//call GenerateArrayIndirectionVectors
//add esp, 4*3
//add esp, 4*4
IA32_Lea_Reg_DispRegMult(jit, REG_EBX, REG_EAX, REG_EBP, NOSCALE);
IA32_Push_Rm_Disp8_ESP(jit, 8);
IA32_Push_Rm_Disp8_ESP(jit, 8);
@ -690,20 +690,18 @@ void WriteOp_Tracker_Push_Reg(JitWriter *jit, uint8_t reg)
{
CompData *data = (CompData *)jit->data;
//:TODO: optimize reg usage, i dont like it.
/* Save registers that may be damaged by the call */
//push eax
//push edx
//push ecx
//push <reg>
//push edi
//lea edi, [<reg>*4] ; we want the count in bytes not in cells
IA32_Push_Reg(jit, AMX_REG_PRI);
IA32_Push_Reg(jit, AMX_REG_ALT);
IA32_Push_Reg(jit, AMX_REG_TMP);
if (reg != REG_ECX)
if (reg == REG_ECX)
{
IA32_Push_Reg(jit, reg);
IA32_Push_Reg(jit, AMX_REG_TMP);
}
IA32_Push_Reg(jit, AMX_REG_STK);
IA32_Lea_Reg_RegMultImm32(jit, REG_EDI, reg, SCALE4, 0);
/* Get the context ptr, push it and call the check */
//mov eax, [esi+context]
@ -723,30 +721,24 @@ void WriteOp_Tracker_Push_Reg(JitWriter *jit, uint8_t reg)
IA32_Jump_Cond_Imm32_Abs(jit, CC_NZ, data->jit_error_tracker_bounds);
/* Push the register into the stack and increment pCur */
//pop ecx
//mov edx, [eax+vm[]]
//mov eax, [edx+pcur]
//lea ecx, [ecx*4] ; we want the count in bytes not in cells
//mov [eax], ecx
//add [edx+pcur], 4
IA32_Pop_Reg(jit, REG_ECX);
//mov [eax], edi
IA32_Mov_Reg_Rm_Disp8(jit, REG_EDX, REG_EAX, offsetof(sp_context_t, vm[JITVARS_TRACKER]));
IA32_Mov_Reg_Rm_Disp8(jit, REG_EAX, REG_EDX, offsetof(tracker_t, pCur));
IA32_Lea_Reg_RegMultImm32(jit, REG_ECX, REG_ECX, SCALE4, 0);
IA32_Mov_Rm_Reg(jit, REG_EAX, REG_ECX, MOD_MEM_REG);
IA32_Add_Rm_Imm8_Disp8(jit, REG_EDX, 4, offsetof(tracker_t, pCur));
IA32_Mov_Rm_Reg(jit, REG_EAX, REG_EDI, MOD_MEM_REG);
/* Restore PRI, ALT and STK */
//pop edi
//pop ecx
//pop edx
//pop eax
if (reg != REG_ECX)
IA32_Pop_Reg(jit, AMX_REG_STK);
if (reg == REG_ECX)
{
IA32_Pop_Reg(jit, AMX_REG_ALT);
} else {
IA32_Shr_Rm_Imm8(jit, REG_ECX, 2, MOD_REG);
IA32_Pop_Reg(jit, AMX_REG_TMP);
}
IA32_Pop_Reg(jit, AMX_REG_TMP);
IA32_Pop_Reg(jit, AMX_REG_PRI);
}

2
sourcepawn/vm/jit/x86/opcode_helpers.h
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@ -274,8 +274,8 @@ typedef enum
* DONE: SYSREQ.N .C (rev2)
* MACRO OPCODES (rev2)
* ERROR CHECKS\{VERIFY ADDR} (rev2)
* ARRAY STUFF
* TODO: BrkDebug
* ARRAY STUFF
* EXEC FUNCTION
* VERIFY ADDR
*