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[O] Optimize a lot of things

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This commit is contained in:
Hykilpikonna
2022-11-12 17:06:02 -05:00
parent 18750d7595
commit 2c8c4f51a5
22 changed files with 400 additions and 588 deletions
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src/main/java/mars/mips/instructions/InstructionSet.java
+5 -5
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@@ -1239,7 +1239,7 @@ public class InstructionSet
{
int[] operands = statement.getOperands();
processJump(
((RegisterFile.getProgramCounter() & 0xF0000000)
((RegisterFile.getPc() & 0xF0000000)
| (operands[0] << 2)));
}
}));
@@ -1268,7 +1268,7 @@ public class InstructionSet
int[] operands = statement.getOperands();
processReturnAddress(31);// RegisterFile.updateRegister(31, RegisterFile.getProgramCounter());
processJump(
(RegisterFile.getProgramCounter() & 0xF0000000)
(RegisterFile.getPc() & 0xF0000000)
| (operands[0] << 2));
}
}));
@@ -3442,13 +3442,13 @@ public class InstructionSet
if (Globals.getSettings().getDelayedBranchingEnabled())
{
// Register the branch target address (absolute byte address).
DelayedBranch.register(RegisterFile.getProgramCounter() + (displacement << 2));
DelayedBranch.register(RegisterFile.getPc() + (displacement << 2));
}
else
{
// Decrement needed because PC has already been incremented
RegisterFile.setProgramCounter(
RegisterFile.getProgramCounter()
RegisterFile.getPc()
+ (displacement << 2)); // - Instruction.INSTRUCTION_LENGTH);
}
}
@@ -3489,7 +3489,7 @@ public class InstructionSet
private void processReturnAddress(int register)
{
RegisterFile.updateRegister(register, RegisterFile.getProgramCounter() +
RegisterFile.updateRegister(register, RegisterFile.getPc() +
((Globals.getSettings().getDelayedBranchingEnabled()) ?
Instruction.INSTRUCTION_LENGTH : 0));
}