ir: SCC now sets all bits to 1 (or 0)

This commit is contained in:
Irmen de Jong 2023-07-08 23:16:01 +02:00
parent 60cbb02822
commit 7245aece4f
2 changed files with 24 additions and 24 deletions

View File

@ -97,18 +97,18 @@ bgesr reg1, reg2, address - jump to location in program given by l
ble reg1, value, address - jump to location in program given by location, if reg1 <= immediate value (unsigned)
bles reg1, value, address - jump to location in program given by location, if reg1 <= immediate value (signed)
( NOTE: there are no bltr/bler instructions because these are equivalent to bgtr/bger with the register operands swapped around.)
sz reg1, reg2 - set reg1=1.b if reg2==0, else 0.b
snz reg1, reg2 - set reg1=1.b if reg2!=0, else 0.b
seq reg1, reg2 - set reg1=1.b if reg1 == reg2, else 0.b
sne reg1, reg2 - set reg1=1.b if reg1 != reg2, else 0.b
slt reg1, reg2 - set reg1=1.b if reg1 < reg2 (unsigned), else 0.b
slts reg1, reg2 - set reg1=1.b if reg1 < reg2 (signed), else 0.b
sle reg1, reg2 - set reg1=1.b if reg1 <= reg2 (unsigned), else 0.b
sles reg1, reg2 - set reg1=1.b if reg1 <= reg2 (signed), else 0.b
sgt reg1, reg2 - set reg1=1.b if reg1 > reg2 (unsigned), else 0.b
sgts reg1, reg2 - set reg1=1.b if reg1 > reg2 (signed), else 0.b
sge reg1, reg2 - set reg1=1.b if reg1 >= reg2 (unsigned), else 0.b
sges reg1, reg2 - set reg1=1.b if reg1 >= reg2 (signed), else 0.b
sz reg1, reg2 - set reg1=-1 (all bits one) if reg2==0, else 0
snz reg1, reg2 - set reg1=-1 (all bits one) if reg2!=0, else 0
seq reg1, reg2 - set reg1=-1 (all bits one) if reg1 == reg2, else 0
sne reg1, reg2 - set reg1=-1 (all bits one) if reg1 != reg2, else 0
slt reg1, reg2 - set reg1=-1 (all bits one) if reg1 < reg2 (unsigned), else 0
slts reg1, reg2 - set reg1=-1 (all bits one) if reg1 < reg2 (signed), else 0
sle reg1, reg2 - set reg1=-1 (all bits one) if reg1 <= reg2 (unsigned), else 0
sles reg1, reg2 - set reg1=-1 (all bits one) if reg1 <= reg2 (signed), else 0
sgt reg1, reg2 - set reg1=-1 (all bits one) if reg1 > reg2 (unsigned), else 0
sgts reg1, reg2 - set reg1=-1 (all bits one) if reg1 > reg2 (signed), else 0
sge reg1, reg2 - set reg1=-1 (all bits one) if reg1 >= reg2 (unsigned), else 0
sges reg1, reg2 - set reg1=-1 (all bits one) if reg1 >= reg2 (signed), else 0
ARITHMETIC

View File

@ -808,77 +808,77 @@ class VirtualMachine(irProgram: IRProgram) {
private fun InsSZ(i: IRInstruction) {
val (_: Int, right: Int) = getSetOnConditionOperands(i)
val value = if(right==0) 1 else 0
val value = if(right==0) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSNZ(i: IRInstruction) {
val (_: Int, right: Int) = getSetOnConditionOperands(i)
val value = if(right!=0) 1 else 0
val value = if(right!=0) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSEQ(i: IRInstruction) {
val (left: Int, right: Int) = getSetOnConditionOperands(i)
val value = if(left==right) 1 else 0
val value = if(left==right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSNE(i: IRInstruction) {
val (left: Int, right: Int) = getSetOnConditionOperands(i)
val value = if(left!=right) 1 else 0
val value = if(left!=right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSLT(i: IRInstruction) {
val (left, right) = getSetOnConditionOperandsU(i)
val value = if(left<right) 1 else 0
val value = if(left<right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSLTS(i: IRInstruction) {
val (left, right) = getSetOnConditionOperands(i)
val value = if(left<right) 1 else 0
val value = if(left<right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSGT(i: IRInstruction) {
val (left, right) = getSetOnConditionOperandsU(i)
val value = if(left>right) 1 else 0
val value = if(left>right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSGTS(i: IRInstruction) {
val (left, right) = getSetOnConditionOperands(i)
val value = if(left>right) 1 else 0
val value = if(left>right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSLE(i: IRInstruction) {
val (left, right) = getSetOnConditionOperandsU(i)
val value = if(left<=right) 1 else 0
val value = if(left<=right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSLES(i: IRInstruction) {
val (left, right) = getSetOnConditionOperands(i)
val value = if(left<=right) 1 else 0
val value = if(left<=right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
}
private fun InsSGE(i: IRInstruction) {
val (left, right) = getSetOnConditionOperandsU(i)
val value = if(left>=right) 1 else 0
val value = if(left>=right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()
@ -886,7 +886,7 @@ class VirtualMachine(irProgram: IRProgram) {
private fun InsSGES(i: IRInstruction) {
val (left, right) = getSetOnConditionOperands(i)
val value = if(left>=right) 1 else 0
val value = if(left>=right) -1 else 0
setResultReg(i.reg1!!, value, i.type!!)
nextPc()