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Just some sketchwork on a JIT for ARM. When completed, will bring speed to mobile devices.

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This commit is contained in:
Henrik Rydgard 2012-11-23 19:41:35 +01:00
parent b964516669
commit 265e70a498
25 changed files with 822 additions and 661 deletions
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15
Common/ArmABI.cpp
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@ -2,7 +2,7 @@
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
@ -47,6 +47,17 @@ void ARMXEmitter::ARMABI_CallFunctionCC(void *func, u32 Arg1, u32 Arg2)
POP(5, R0, R1, R2, R3, _LR);
}
void ARMXEmitter::ARMABI_CallFunctionCCC(void *func, u32 Arg1, u32 Arg2, u32 Arg3)
{
ARMABI_MOVI2R(R14, Mem(func));
PUSH(5, R0, R1, R2, R3, _LR);
ARMABI_MOVI2R(R0, Arg1);
ARMABI_MOVI2R(R1, Arg2);
ARMABI_MOVI2R(R2, Arg3);
BL(R14);
POP(5, R0, R1, R2, R3, _LR);
}
void ARMXEmitter::ARMABI_PushAllCalleeSavedRegsAndAdjustStack() {
// Note: 4 * 4 = 16 bytes, so alignment is preserved.
PUSH(4, R0, R1, R2, R3);
@ -55,6 +66,7 @@ void ARMXEmitter::ARMABI_PushAllCalleeSavedRegsAndAdjustStack() {
void ARMXEmitter::ARMABI_PopAllCalleeSavedRegsAndAdjustStack() {
POP(4, R0, R1, R2, R3);
}
void ARMXEmitter::ARMABI_MOVI2R(ARMReg reg, Operand2 val)
{
// TODO: There are more fancy ways to save calls if we check if
@ -72,6 +84,7 @@ void ARMXEmitter::ARMABI_MOVI2M(Operand2 op, Operand2 val)
MOVW(R12, op); MOVT(R12, op, true);
STR(R12, R14); // R10 is what we want to store
}
const char *conditions[] = {"EQ", "NEQ", "CS", "CC", "MI", "PL", "VS", "VC", "HI", "LS", "GE", "LT", "GT", "LE", "AL" };
static void ShowCondition(u32 cond)
{