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https://github.com/irmen/prog8.git
synced 2024-07-10 23:29:02 +00:00
improve uword '<' and '>' codegen
This commit is contained in:
Irmen de Jong
parent
5e0aef04fe
commit
852d85d010
@ -442,19 +442,6 @@ less_b .proc
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bpl equal_b._equal_b_false
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.pend
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reg_less_uw .proc
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; AY < P8ZP_SCRATCH_W2?
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cpy P8ZP_SCRATCH_W2+1
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bcc _true
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bne _false
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cmp P8ZP_SCRATCH_W2
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bcc _true
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_false lda #0
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rts
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_true lda #1
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rts
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.pend
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less_uw .proc
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lda P8ESTACK_HI+2,x
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cmp P8ESTACK_HI+1,x
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@ -461,6 +461,17 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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}
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private fun translateUwordLessJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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fun code(msbCpyOperand: String, lsbCmpOperand: String) {
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asmgen.out("""
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cpy $msbCpyOperand
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bcc +
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bne $jumpIfFalseLabel
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cmp $lsbCmpOperand
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bcs $jumpIfFalseLabel
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+""")
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}
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if(rightConstVal!=null) {
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if(leftConstVal!=null) {
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if(rightConstVal>=leftConstVal)
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@ -468,28 +479,25 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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return
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} else {
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if (left is IdentifierReference) {
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val name = asmgen.asmVariableName(left)
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if(rightConstVal.number.toInt()!=0)
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asmgen.out("""
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lda $name+1
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cmp #>${rightConstVal.number}
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bcc +
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bne $jumpIfFalseLabel
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lda $name
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cmp #<${rightConstVal.number}
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bcs $jumpIfFalseLabel
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+""")
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return if(rightConstVal.number.toInt()!=0) {
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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code("#>${rightConstVal.number}", "#<${rightConstVal.number}")
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}
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else
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asmgen.jmp(jumpIfFalseLabel)
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return
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}
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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if(right is IdentifierReference) {
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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val varname = asmgen.asmVariableName(right)
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return code("$varname+1", varname)
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}
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asmgen.assignExpressionToVariable(right, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_less_uw | beq $jumpIfFalseLabel")
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return code("P8ZP_SCRATCH_W2+1", "P8ZP_SCRATCH_W2")
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}
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private fun translateWordLessJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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@ -501,8 +509,9 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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} else {
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if (left is IdentifierReference) {
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val name = asmgen.asmVariableName(left)
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if(rightConstVal.number.toInt()!=0)
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asmgen.out("""
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return if(rightConstVal.number.toInt()!=0) {
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asmgen.out(
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"""
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lda $name
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cmp #<${rightConstVal.number}
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lda $name+1
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@ -510,17 +519,17 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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bvc +
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eor #$80
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+ bpl $jumpIfFalseLabel""")
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}
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else
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asmgen.out(" lda $name+1 | bpl $jumpIfFalseLabel")
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return
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}
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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// TODO optimize this so it doesn't call a comparison-subroutine reg_less_w
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asmgen.assignExpressionToVariable(right, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_less_w | beq $jumpIfFalseLabel")
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return asmgen.out(" jsr prog8_lib.reg_less_w | beq $jumpIfFalseLabel")
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}
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private fun translateUbyteGreaterJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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@ -601,6 +610,18 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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}
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private fun translateUwordGreaterJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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fun code(msbCpyOperand: String, lsbCmpOperand: String) {
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asmgen.out("""
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cpy $msbCpyOperand
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bcc $jumpIfFalseLabel
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bne +
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cmp $lsbCmpOperand
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bcc $jumpIfFalseLabel
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beq $jumpIfFalseLabel
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+""")
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}
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if(rightConstVal!=null) {
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if(leftConstVal!=null) {
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if(rightConstVal<=leftConstVal)
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@ -608,32 +629,30 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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return
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} else {
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if (left is IdentifierReference) {
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val name = asmgen.asmVariableName(left)
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if(rightConstVal.number.toInt()!=0)
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asmgen.out("""
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lda $name+1
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cmp #>${rightConstVal.number}
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bcc $jumpIfFalseLabel
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bne +
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lda $name
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cmp #<${rightConstVal.number}
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bcc $jumpIfFalseLabel
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beq $jumpIfFalseLabel
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+""")
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else
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return if(rightConstVal.number.toInt()!=0) {
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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code("#>${rightConstVal.number}", "#<${rightConstVal.number}")
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}
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else {
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val name = asmgen.asmVariableName(left)
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asmgen.out("""
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lda $name
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ora $name+1
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beq $jumpIfFalseLabel""")
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return
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}
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}
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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if(right is IdentifierReference) {
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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val varname = asmgen.asmVariableName(right)
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return code("$varname+1", varname)
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}
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asmgen.assignExpressionToVariable(left, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(right, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_less_uw | beq $jumpIfFalseLabel")
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return code("P8ZP_SCRATCH_W2+1", "P8ZP_SCRATCH_W2")
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}
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private fun translateWordGreaterJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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@ -645,7 +664,7 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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} else {
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if (left is IdentifierReference) {
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val name = asmgen.asmVariableName(left)
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if(rightConstVal.number.toInt()!=0)
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return if(rightConstVal.number.toInt()!=0)
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asmgen.out("""
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lda #<${rightConstVal.number}
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cmp $name
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@ -662,15 +681,14 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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bvc +
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eor #$80
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+ bpl $jumpIfFalseLabel""")
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return
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}
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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// TODO optimize this so it doesn't call a comparison-subroutine reg_less_w
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asmgen.assignExpressionToVariable(left, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(right, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_less_w | beq $jumpIfFalseLabel")
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return asmgen.out(" jsr prog8_lib.reg_less_w | beq $jumpIfFalseLabel")
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}
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private fun translateUbyteLessOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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@ -760,7 +778,7 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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} else {
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if (left is IdentifierReference) {
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val name = asmgen.asmVariableName(left)
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if(rightConstVal.number.toInt()!=0)
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return if(rightConstVal.number.toInt()!=0)
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asmgen.out("""
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lda #>${rightConstVal.number}
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cmp $name+1
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@ -775,15 +793,14 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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lda $name
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ora $name+1
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bne $jumpIfFalseLabel""")
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return
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}
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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// TODO optimize this so it doesn't call a comparison-subroutine reg_lesseq_uw
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asmgen.assignExpressionToVariable(right, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_lesseq_uw | beq $jumpIfFalseLabel")
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return asmgen.out(" jsr prog8_lib.reg_lesseq_uw | beq $jumpIfFalseLabel")
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}
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private fun translateWordLessOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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@ -795,7 +812,7 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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} else {
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if (left is IdentifierReference) {
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val name = asmgen.asmVariableName(left)
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if(rightConstVal.number.toInt()!=0)
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return if(rightConstVal.number.toInt()!=0)
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asmgen.out("""
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lda #<${rightConstVal.number}
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cmp $name
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@ -812,15 +829,14 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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bvc +
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eor #$80
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+ bmi $jumpIfFalseLabel""")
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return
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}
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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// TODO optimize this so it doesn't call a comparison-subroutine reg_lesseq_w
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asmgen.assignExpressionToVariable(left, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(right, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_lesseq_w | beq $jumpIfFalseLabel")
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return asmgen.out(" jsr prog8_lib.reg_lesseq_w | beq $jumpIfFalseLabel")
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}
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private fun translateUbyteGreaterOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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@ -918,10 +934,10 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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// TODO optimize this so it doesn't call a comparison-subroutine reg_lesseq_uw
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asmgen.assignExpressionToVariable(left, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(right, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_lesseq_uw | beq $jumpIfFalseLabel")
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return asmgen.out(" jsr prog8_lib.reg_lesseq_uw | beq $jumpIfFalseLabel")
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}
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private fun translateWordGreaterOrEqualJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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@ -933,7 +949,7 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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} else {
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if (left is IdentifierReference) {
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val name = asmgen.asmVariableName(left)
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if(rightConstVal.number.toInt()!=0)
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return if(rightConstVal.number.toInt()!=0)
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asmgen.out("""
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lda $name
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cmp #<${rightConstVal.number}
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@ -942,18 +958,16 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
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bvc +
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eor #$80
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+ bmi $jumpIfFalseLabel""")
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else {
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else
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asmgen.out(" lda $name+1 | bmi $jumpIfFalseLabel")
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}
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return
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}
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}
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}
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// TODO optimize this so it doesn't call a comparison-subroutine
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// TODO optimize this so it doesn't call a comparison-subroutine reg_lesseq_w
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asmgen.assignExpressionToVariable(right, "P8ZP_SCRATCH_W2", DataType.UWORD, null)
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asmgen.assignExpressionToRegister(left, RegisterOrPair.AY)
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asmgen.out(" jsr prog8_lib.reg_lesseq_w | beq $jumpIfFalseLabel")
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return asmgen.out(" jsr prog8_lib.reg_lesseq_w | beq $jumpIfFalseLabel")
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}
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private fun translateByteEqualsJump(left: Expression, right: Expression, leftConstVal: NumericLiteralValue?, rightConstVal: NumericLiteralValue?, jumpIfFalseLabel: String) {
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