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https://gitlab.com/camelot/kickc.git
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Added fragments from Richard-William Loerakker
This commit is contained in:
parent
8e02a13dd3
commit
0dc8d5e735
7
src/main/fragment/pbuz1=pbuc1_plus_vwsz1.asm
Normal file
7
src/main/fragment/pbuz1=pbuc1_plus_vwsz1.asm
Normal file
@ -0,0 +1,7 @@
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lda #<{c1}
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clc
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adc {z1}
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sta {z1}
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lda #>{c1}
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adc {z1}+1
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sta {z1}+1
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7
src/main/fragment/pbuz1=pbuc1_plus_vwsz2.asm
Normal file
7
src/main/fragment/pbuz1=pbuc1_plus_vwsz2.asm
Normal file
@ -0,0 +1,7 @@
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lda #<{c1}
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clc
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adc {z2}
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sta {z1}
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lda #>{c1}
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adc {z2}+1
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sta {z1}+1
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7
src/main/fragment/pbuz1=pbuz1_plus_2.asm
Normal file
7
src/main/fragment/pbuz1=pbuz1_plus_2.asm
Normal file
@ -0,0 +1,7 @@
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lda {z1}
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clc
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adc #2
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sta {z1}
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bcc !+
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inc {z2}+1
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!:
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7
src/main/fragment/pbuz1=pbuz1_plus_vwsz2.asm
Normal file
7
src/main/fragment/pbuz1=pbuz1_plus_vwsz2.asm
Normal file
@ -0,0 +1,7 @@
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lda {z1}
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clc
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adc {z2}
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sta {z1}
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lda {z1}+1
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adc {z2}+1
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sta {z1}+1
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@ -2,6 +2,8 @@ lda {z2}
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clc
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clc
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adc #2
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adc #2
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sta {z1}
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sta {z1}
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bcc !+
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lda {z2}+1
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lda {z2}+1
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adc #0
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adc #0
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sta {z1}+1
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sta {z1}+1
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!:
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7
src/main/fragment/pbuz1=pbuz2_plus_vwsz1.asm
Normal file
7
src/main/fragment/pbuz1=pbuz2_plus_vwsz1.asm
Normal file
@ -0,0 +1,7 @@
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lda {z2}
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clc
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adc {z1}
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sta {z1}
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lda {z2}+1
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adc {z1}+1
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sta {z1}+1
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7
src/main/fragment/pbuz1=pbuz2_plus_vwsz3.asm
Normal file
7
src/main/fragment/pbuz1=pbuz2_plus_vwsz3.asm
Normal file
@ -0,0 +1,7 @@
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lda {z2}
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clc
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adc {z3}
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sta {z1}
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lda {z2}+1
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adc {z3}+1
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sta {z1}+1
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7
src/main/fragment/vwsz1=vwsz1_minus_1.asm
Normal file
7
src/main/fragment/vwsz1=vwsz1_minus_1.asm
Normal file
@ -0,0 +1,7 @@
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sec
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lda {z1}
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sbc #1
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sta {z1}
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bcs !+
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dec {z1}+1
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!:
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7
src/main/fragment/vwsz1=vwsz1_plus_1.asm
Normal file
7
src/main/fragment/vwsz1=vwsz1_plus_1.asm
Normal file
@ -0,0 +1,7 @@
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lda {z1}
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clc
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adc #1
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sta {z1}
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bcc !+
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inc {z1}+1
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!:
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6
src/main/fragment/vwsz1=vwsz2_band_vdsc1.asm
Normal file
6
src/main/fragment/vwsz1=vwsz2_band_vdsc1.asm
Normal file
@ -0,0 +1,6 @@
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lda {z2}
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and #<{c1}
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sta {z1}
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lda {z2}+1
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and #>{c1}
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sta {z1}+1
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9
src/main/fragment/vwsz1=vwsz2_minus_1.asm
Normal file
9
src/main/fragment/vwsz1=vwsz2_minus_1.asm
Normal file
@ -0,0 +1,9 @@
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sec
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lda {z2}
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sbc #1
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sta {z1}
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bcs !+
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lda {z2}+1
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sbc #0
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sta {z1}+1
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!:
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9
src/main/fragment/vwsz1=vwsz2_plus_1.asm
Normal file
9
src/main/fragment/vwsz1=vwsz2_plus_1.asm
Normal file
@ -0,0 +1,9 @@
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lda {z2}
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clc
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adc #1
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sta {z1}
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bcc !+
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lda {z2}+1
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adc #0
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sta {z1}+1
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!:
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@ -60,6 +60,11 @@ public class TestPrograms {
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compileAndCompare("loophead-problem");
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compileAndCompare("loophead-problem");
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}
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}
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@Test
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public void testPointerPlusSignedWord() throws IOException, URISyntaxException {
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compileAndCompare("pointer-plus-signed-word");
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}
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@Test
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@Test
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public void testAsmMnemonicNames() throws IOException, URISyntaxException {
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public void testAsmMnemonicNames() throws IOException, URISyntaxException {
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compileAndCompare("asm-mnemonic-names");
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compileAndCompare("asm-mnemonic-names");
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11
src/test/kc/pointer-plus-signed-word.kc
Normal file
11
src/test/kc/pointer-plus-signed-word.kc
Normal file
@ -0,0 +1,11 @@
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// Test adding a signed word to a pointer
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// Fragment pbuz1=pbuc1_plus_vwsz1.asm supplied by Richard-William Loerakker
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char* SCREEN = 0x0400+40*10;
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void main() {
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for (signed word i : -10..10 ) {
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char* sc = SCREEN + i;
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*sc = (char)i;
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}
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}
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36
src/test/ref/pointer-plus-signed-word.asm
Normal file
36
src/test/ref/pointer-plus-signed-word.asm
Normal file
@ -0,0 +1,36 @@
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// Test adding a signed word to a pointer
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// Fragment pbuz1=pbuc1_plus_vwsz1.asm supplied by Richard-William Loerakker
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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.label SCREEN = $400+$28*$a
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main: {
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.label sc = 4
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.label i = 2
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lda #<-$a
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sta.z i
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lda #>-$a
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sta.z i+1
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b1:
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lda #<SCREEN
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clc
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adc.z i
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sta.z sc
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lda #>SCREEN
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adc.z i+1
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sta.z sc+1
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lda.z i
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ldy #0
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sta (sc),y
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inc.z i
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bne !+
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inc.z i+1
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!:
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lda.z i+1
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cmp #>$b
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bne b1
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lda.z i
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cmp #<$b
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bne b1
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rts
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}
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23
src/test/ref/pointer-plus-signed-word.cfg
Normal file
23
src/test/ref/pointer-plus-signed-word.cfg
Normal file
@ -0,0 +1,23 @@
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[5] (signed word) main::i#2 ← phi( main/(signed word) -$a main::@1/(signed word) main::i#1 )
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[6] (byte*) main::sc#0 ← (const byte*) SCREEN#0 + (signed word) main::i#2
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[7] (byte~) main::$1 ← (byte)(signed word) main::i#2
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[8] *((byte*) main::sc#0) ← (byte~) main::$1
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[9] (signed word) main::i#1 ← ++ (signed word) main::i#2
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[10] if((signed word) main::i#1!=(signed byte) $b) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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[11] return
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to:@return
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430
src/test/ref/pointer-plus-signed-word.log
Normal file
430
src/test/ref/pointer-plus-signed-word.log
Normal file
@ -0,0 +1,430 @@
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Identified constant variable (byte*) SCREEN
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Culled Empty Block (label) main::@2
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(byte*) SCREEN#0 ← ((byte*)) (number) $400+(number) $28*(number) $a
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to:@1
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main: scope:[main] from @1
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(signed word) main::i#0 ← (signed word) -$a
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to:main::@1
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main::@1: scope:[main] from main main::@1
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(signed word) main::i#2 ← phi( main/(signed word) main::i#0 main::@1/(signed word) main::i#1 )
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(byte*~) main::$0 ← (byte*) SCREEN#0 + (signed word) main::i#2
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(byte*) main::sc#0 ← (byte*~) main::$0
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(byte~) main::$1 ← ((byte)) (signed word) main::i#2
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*((byte*) main::sc#0) ← (byte~) main::$1
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(signed word) main::i#1 ← (signed word) main::i#2 + rangenext(-$a,$a)
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(bool~) main::$2 ← (signed word) main::i#1 != rangelast(-$a,$a)
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if((bool~) main::$2) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(byte*) SCREEN
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(byte*) SCREEN#0
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(void()) main()
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(byte*~) main::$0
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(byte~) main::$1
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(bool~) main::$2
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(label) main::@1
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(label) main::@return
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(signed word) main::i
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(signed word) main::i#0
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(signed word) main::i#1
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(signed word) main::i#2
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(byte*) main::sc
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(byte*) main::sc#0
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Inlining cast (byte*) SCREEN#0 ← (byte*)(number) $400+(number) $28*(number) $a
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Inlining cast (byte~) main::$1 ← (byte)(signed word) main::i#2
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Successful SSA optimization Pass2InlineCast
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Alias (byte*) main::sc#0 = (byte*~) main::$0
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$2 [9] if((signed word) main::i#1!=rangelast(-$a,$a)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [0] (byte*) SCREEN#0 ← (byte*)(number) $400+(number) $28*(number) $a
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte*) SCREEN#0 = (byte*)$400+$28*$a
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Constant (const signed word) main::i#0 = -$a
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [7] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [9] if(main::i#1!=rangelast(-$a,$a)) goto main::@1 to (number) $b
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Adding number conversion cast (snumber) $b in if((signed word) main::i#1!=(number) $b) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $b
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Successful SSA optimization PassNCastSimplification
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Finalized signed number type (signed byte) $b
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings (const signed word) main::i#0
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Constant inlined main::i#0 = (signed word) -$a
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@3(between main::@1 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [] to main:2
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Created 1 initial phi equivalence classes
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Coalesced [13] main::i#3 ← main::i#1
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Coalesced down to 1 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@3
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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|
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[5] (signed word) main::i#2 ← phi( main/(signed word) -$a main::@1/(signed word) main::i#1 )
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[6] (byte*) main::sc#0 ← (const byte*) SCREEN#0 + (signed word) main::i#2
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[7] (byte~) main::$1 ← (byte)(signed word) main::i#2
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[8] *((byte*) main::sc#0) ← (byte~) main::$1
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[9] (signed word) main::i#1 ← ++ (signed word) main::i#2
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[10] if((signed word) main::i#1!=(signed byte) $b) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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[11] return
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to:@return
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|
|
||||||
|
|
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VARIABLE REGISTER WEIGHTS
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(byte*) SCREEN
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(void()) main()
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(byte~) main::$1 22.0
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(signed word) main::i
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(signed word) main::i#1 16.5
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(signed word) main::i#2 8.25
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(byte*) main::sc
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(byte*) main::sc#0 11.0
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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Added variable main::sc#0 to zero page equivalence class [ main::sc#0 ]
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Added variable main::$1 to zero page equivalence class [ main::$1 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::sc#0 ]
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[ main::$1 ]
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Allocated zp ZP_WORD:2 [ main::i#2 main::i#1 ]
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Allocated zp ZP_WORD:4 [ main::sc#0 ]
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Allocated zp ZP_BYTE:6 [ main::$1 ]
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|
|
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INITIAL ASM
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Target platform is c64basic
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// File Comments
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// Test adding a signed word to a pointer
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// Fragment pbuz1=pbuc1_plus_vwsz1.asm supplied by Richard-William Loerakker
|
||||||
|
// Upstart
|
||||||
|
.pc = $801 "Basic"
|
||||||
|
:BasicUpstart(bbegin)
|
||||||
|
.pc = $80d "Program"
|
||||||
|
// Global Constants & labels
|
||||||
|
.label SCREEN = $400+$28*$a
|
||||||
|
// @begin
|
||||||
|
bbegin:
|
||||||
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||||||
|
b1_from_bbegin:
|
||||||
|
jmp b1
|
||||||
|
// @1
|
||||||
|
b1:
|
||||||
|
// [2] call main
|
||||||
|
// [4] phi from @1 to main [phi:@1->main]
|
||||||
|
main_from_b1:
|
||||||
|
jsr main
|
||||||
|
// [3] phi from @1 to @end [phi:@1->@end]
|
||||||
|
bend_from_b1:
|
||||||
|
jmp bend
|
||||||
|
// @end
|
||||||
|
bend:
|
||||||
|
// main
|
||||||
|
main: {
|
||||||
|
.label _1 = 6
|
||||||
|
.label sc = 4
|
||||||
|
.label i = 2
|
||||||
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||||||
|
b1_from_main:
|
||||||
|
// [5] phi (signed word) main::i#2 = (signed word) -$a [phi:main->main::@1#0] -- vwsz1=vwsc1
|
||||||
|
lda #<-$a
|
||||||
|
sta.z i
|
||||||
|
lda #>-$a
|
||||||
|
sta.z i+1
|
||||||
|
jmp b1
|
||||||
|
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||||
|
b1_from_b1:
|
||||||
|
// [5] phi (signed word) main::i#2 = (signed word) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||||
|
jmp b1
|
||||||
|
// main::@1
|
||||||
|
b1:
|
||||||
|
// [6] (byte*) main::sc#0 ← (const byte*) SCREEN#0 + (signed word) main::i#2 -- pbuz1=pbuc1_plus_vwsz2
|
||||||
|
lda #<SCREEN
|
||||||
|
clc
|
||||||
|
adc.z i
|
||||||
|
sta.z sc
|
||||||
|
lda #>SCREEN
|
||||||
|
adc.z i+1
|
||||||
|
sta.z sc+1
|
||||||
|
// [7] (byte~) main::$1 ← (byte)(signed word) main::i#2 -- vbuz1=_byte_vwsz2
|
||||||
|
lda.z i
|
||||||
|
sta.z _1
|
||||||
|
// [8] *((byte*) main::sc#0) ← (byte~) main::$1 -- _deref_pbuz1=vbuz2
|
||||||
|
lda.z _1
|
||||||
|
ldy #0
|
||||||
|
sta (sc),y
|
||||||
|
// [9] (signed word) main::i#1 ← ++ (signed word) main::i#2 -- vwsz1=_inc_vwsz1
|
||||||
|
inc.z i
|
||||||
|
bne !+
|
||||||
|
inc.z i+1
|
||||||
|
!:
|
||||||
|
// [10] if((signed word) main::i#1!=(signed byte) $b) goto main::@1 -- vwsz1_neq_vwuc1_then_la1
|
||||||
|
lda.z i+1
|
||||||
|
cmp #>$b
|
||||||
|
bne b1_from_b1
|
||||||
|
lda.z i
|
||||||
|
cmp #<$b
|
||||||
|
bne b1_from_b1
|
||||||
|
jmp breturn
|
||||||
|
// main::@return
|
||||||
|
breturn:
|
||||||
|
// [11] return
|
||||||
|
rts
|
||||||
|
}
|
||||||
|
// File Data
|
||||||
|
|
||||||
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||||
|
Statement [6] (byte*) main::sc#0 ← (const byte*) SCREEN#0 + (signed word) main::i#2 [ main::i#2 main::sc#0 ] ( main:2 [ main::i#2 main::sc#0 ] ) always clobbers reg byte a
|
||||||
|
Statement [7] (byte~) main::$1 ← (byte)(signed word) main::i#2 [ main::i#2 main::sc#0 main::$1 ] ( main:2 [ main::i#2 main::sc#0 main::$1 ] ) always clobbers reg byte a
|
||||||
|
Statement [8] *((byte*) main::sc#0) ← (byte~) main::$1 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte y
|
||||||
|
Statement [10] if((signed word) main::i#1!=(signed byte) $b) goto main::@1 [ main::i#1 ] ( main:2 [ main::i#1 ] ) always clobbers reg byte a
|
||||||
|
Potential registers zp ZP_WORD:2 [ main::i#2 main::i#1 ] : zp ZP_WORD:2 ,
|
||||||
|
Potential registers zp ZP_WORD:4 [ main::sc#0 ] : zp ZP_WORD:4 ,
|
||||||
|
Potential registers zp ZP_BYTE:6 [ main::$1 ] : zp ZP_BYTE:6 , reg byte a , reg byte x , reg byte y ,
|
||||||
|
|
||||||
|
REGISTER UPLIFT SCOPES
|
||||||
|
Uplift Scope [main] 24.75: zp ZP_WORD:2 [ main::i#2 main::i#1 ] 22: zp ZP_BYTE:6 [ main::$1 ] 11: zp ZP_WORD:4 [ main::sc#0 ]
|
||||||
|
Uplift Scope []
|
||||||
|
|
||||||
|
Uplifting [main] best 773 combination zp ZP_WORD:2 [ main::i#2 main::i#1 ] reg byte a [ main::$1 ] zp ZP_WORD:4 [ main::sc#0 ]
|
||||||
|
Uplifting [] best 773 combination
|
||||||
|
|
||||||
|
ASSEMBLER BEFORE OPTIMIZATION
|
||||||
|
// File Comments
|
||||||
|
// Test adding a signed word to a pointer
|
||||||
|
// Fragment pbuz1=pbuc1_plus_vwsz1.asm supplied by Richard-William Loerakker
|
||||||
|
// Upstart
|
||||||
|
.pc = $801 "Basic"
|
||||||
|
:BasicUpstart(bbegin)
|
||||||
|
.pc = $80d "Program"
|
||||||
|
// Global Constants & labels
|
||||||
|
.label SCREEN = $400+$28*$a
|
||||||
|
// @begin
|
||||||
|
bbegin:
|
||||||
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||||||
|
b1_from_bbegin:
|
||||||
|
jmp b1
|
||||||
|
// @1
|
||||||
|
b1:
|
||||||
|
// [2] call main
|
||||||
|
// [4] phi from @1 to main [phi:@1->main]
|
||||||
|
main_from_b1:
|
||||||
|
jsr main
|
||||||
|
// [3] phi from @1 to @end [phi:@1->@end]
|
||||||
|
bend_from_b1:
|
||||||
|
jmp bend
|
||||||
|
// @end
|
||||||
|
bend:
|
||||||
|
// main
|
||||||
|
main: {
|
||||||
|
.label sc = 4
|
||||||
|
.label i = 2
|
||||||
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||||||
|
b1_from_main:
|
||||||
|
// [5] phi (signed word) main::i#2 = (signed word) -$a [phi:main->main::@1#0] -- vwsz1=vwsc1
|
||||||
|
lda #<-$a
|
||||||
|
sta.z i
|
||||||
|
lda #>-$a
|
||||||
|
sta.z i+1
|
||||||
|
jmp b1
|
||||||
|
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||||
|
b1_from_b1:
|
||||||
|
// [5] phi (signed word) main::i#2 = (signed word) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||||
|
jmp b1
|
||||||
|
// main::@1
|
||||||
|
b1:
|
||||||
|
// [6] (byte*) main::sc#0 ← (const byte*) SCREEN#0 + (signed word) main::i#2 -- pbuz1=pbuc1_plus_vwsz2
|
||||||
|
lda #<SCREEN
|
||||||
|
clc
|
||||||
|
adc.z i
|
||||||
|
sta.z sc
|
||||||
|
lda #>SCREEN
|
||||||
|
adc.z i+1
|
||||||
|
sta.z sc+1
|
||||||
|
// [7] (byte~) main::$1 ← (byte)(signed word) main::i#2 -- vbuaa=_byte_vwsz1
|
||||||
|
lda.z i
|
||||||
|
// [8] *((byte*) main::sc#0) ← (byte~) main::$1 -- _deref_pbuz1=vbuaa
|
||||||
|
ldy #0
|
||||||
|
sta (sc),y
|
||||||
|
// [9] (signed word) main::i#1 ← ++ (signed word) main::i#2 -- vwsz1=_inc_vwsz1
|
||||||
|
inc.z i
|
||||||
|
bne !+
|
||||||
|
inc.z i+1
|
||||||
|
!:
|
||||||
|
// [10] if((signed word) main::i#1!=(signed byte) $b) goto main::@1 -- vwsz1_neq_vwuc1_then_la1
|
||||||
|
lda.z i+1
|
||||||
|
cmp #>$b
|
||||||
|
bne b1_from_b1
|
||||||
|
lda.z i
|
||||||
|
cmp #<$b
|
||||||
|
bne b1_from_b1
|
||||||
|
jmp breturn
|
||||||
|
// main::@return
|
||||||
|
breturn:
|
||||||
|
// [11] return
|
||||||
|
rts
|
||||||
|
}
|
||||||
|
// File Data
|
||||||
|
|
||||||
|
ASSEMBLER OPTIMIZATIONS
|
||||||
|
Removing instruction jmp b1
|
||||||
|
Removing instruction jmp bend
|
||||||
|
Removing instruction jmp b1
|
||||||
|
Removing instruction jmp breturn
|
||||||
|
Succesful ASM optimization Pass5NextJumpElimination
|
||||||
|
Replacing label b1_from_b1 with b1
|
||||||
|
Replacing label b1_from_b1 with b1
|
||||||
|
Removing instruction b1_from_bbegin:
|
||||||
|
Removing instruction b1:
|
||||||
|
Removing instruction main_from_b1:
|
||||||
|
Removing instruction bend_from_b1:
|
||||||
|
Removing instruction b1_from_b1:
|
||||||
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||||
|
Removing instruction bend:
|
||||||
|
Removing instruction b1_from_main:
|
||||||
|
Removing instruction breturn:
|
||||||
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||||
|
Updating BasicUpstart to call main directly
|
||||||
|
Removing instruction jsr main
|
||||||
|
Succesful ASM optimization Pass5SkipBegin
|
||||||
|
Removing instruction jmp b1
|
||||||
|
Succesful ASM optimization Pass5NextJumpElimination
|
||||||
|
Removing instruction bbegin:
|
||||||
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||||
|
|
||||||
|
FINAL SYMBOL TABLE
|
||||||
|
(label) @1
|
||||||
|
(label) @begin
|
||||||
|
(label) @end
|
||||||
|
(byte*) SCREEN
|
||||||
|
(const byte*) SCREEN#0 SCREEN = (byte*)(number) $400+(number) $28*(number) $a
|
||||||
|
(void()) main()
|
||||||
|
(byte~) main::$1 reg byte a 22.0
|
||||||
|
(label) main::@1
|
||||||
|
(label) main::@return
|
||||||
|
(signed word) main::i
|
||||||
|
(signed word) main::i#1 i zp ZP_WORD:2 16.5
|
||||||
|
(signed word) main::i#2 i zp ZP_WORD:2 8.25
|
||||||
|
(byte*) main::sc
|
||||||
|
(byte*) main::sc#0 sc zp ZP_WORD:4 11.0
|
||||||
|
|
||||||
|
zp ZP_WORD:2 [ main::i#2 main::i#1 ]
|
||||||
|
zp ZP_WORD:4 [ main::sc#0 ]
|
||||||
|
reg byte a [ main::$1 ]
|
||||||
|
|
||||||
|
|
||||||
|
FINAL ASSEMBLER
|
||||||
|
Score: 671
|
||||||
|
|
||||||
|
// File Comments
|
||||||
|
// Test adding a signed word to a pointer
|
||||||
|
// Fragment pbuz1=pbuc1_plus_vwsz1.asm supplied by Richard-William Loerakker
|
||||||
|
// Upstart
|
||||||
|
.pc = $801 "Basic"
|
||||||
|
:BasicUpstart(main)
|
||||||
|
.pc = $80d "Program"
|
||||||
|
// Global Constants & labels
|
||||||
|
.label SCREEN = $400+$28*$a
|
||||||
|
// @begin
|
||||||
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||||||
|
// @1
|
||||||
|
// [2] call main
|
||||||
|
// [4] phi from @1 to main [phi:@1->main]
|
||||||
|
// [3] phi from @1 to @end [phi:@1->@end]
|
||||||
|
// @end
|
||||||
|
// main
|
||||||
|
main: {
|
||||||
|
.label sc = 4
|
||||||
|
.label i = 2
|
||||||
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||||||
|
// [5] phi (signed word) main::i#2 = (signed word) -$a [phi:main->main::@1#0] -- vwsz1=vwsc1
|
||||||
|
lda #<-$a
|
||||||
|
sta.z i
|
||||||
|
lda #>-$a
|
||||||
|
sta.z i+1
|
||||||
|
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||||
|
// [5] phi (signed word) main::i#2 = (signed word) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||||
|
// main::@1
|
||||||
|
b1:
|
||||||
|
// sc = SCREEN + i
|
||||||
|
// [6] (byte*) main::sc#0 ← (const byte*) SCREEN#0 + (signed word) main::i#2 -- pbuz1=pbuc1_plus_vwsz2
|
||||||
|
lda #<SCREEN
|
||||||
|
clc
|
||||||
|
adc.z i
|
||||||
|
sta.z sc
|
||||||
|
lda #>SCREEN
|
||||||
|
adc.z i+1
|
||||||
|
sta.z sc+1
|
||||||
|
// (char)i
|
||||||
|
// [7] (byte~) main::$1 ← (byte)(signed word) main::i#2 -- vbuaa=_byte_vwsz1
|
||||||
|
lda.z i
|
||||||
|
// *sc = (char)i
|
||||||
|
// [8] *((byte*) main::sc#0) ← (byte~) main::$1 -- _deref_pbuz1=vbuaa
|
||||||
|
ldy #0
|
||||||
|
sta (sc),y
|
||||||
|
// for (signed word i : -10..10 )
|
||||||
|
// [9] (signed word) main::i#1 ← ++ (signed word) main::i#2 -- vwsz1=_inc_vwsz1
|
||||||
|
inc.z i
|
||||||
|
bne !+
|
||||||
|
inc.z i+1
|
||||||
|
!:
|
||||||
|
// [10] if((signed word) main::i#1!=(signed byte) $b) goto main::@1 -- vwsz1_neq_vwuc1_then_la1
|
||||||
|
lda.z i+1
|
||||||
|
cmp #>$b
|
||||||
|
bne b1
|
||||||
|
lda.z i
|
||||||
|
cmp #<$b
|
||||||
|
bne b1
|
||||||
|
// main::@return
|
||||||
|
// }
|
||||||
|
// [11] return
|
||||||
|
rts
|
||||||
|
}
|
||||||
|
// File Data
|
||||||
|
|
18
src/test/ref/pointer-plus-signed-word.sym
Normal file
18
src/test/ref/pointer-plus-signed-word.sym
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
(label) @1
|
||||||
|
(label) @begin
|
||||||
|
(label) @end
|
||||||
|
(byte*) SCREEN
|
||||||
|
(const byte*) SCREEN#0 SCREEN = (byte*)(number) $400+(number) $28*(number) $a
|
||||||
|
(void()) main()
|
||||||
|
(byte~) main::$1 reg byte a 22.0
|
||||||
|
(label) main::@1
|
||||||
|
(label) main::@return
|
||||||
|
(signed word) main::i
|
||||||
|
(signed word) main::i#1 i zp ZP_WORD:2 16.5
|
||||||
|
(signed word) main::i#2 i zp ZP_WORD:2 8.25
|
||||||
|
(byte*) main::sc
|
||||||
|
(byte*) main::sc#0 sc zp ZP_WORD:4 11.0
|
||||||
|
|
||||||
|
zp ZP_WORD:2 [ main::i#2 main::i#1 ]
|
||||||
|
zp ZP_WORD:4 [ main::sc#0 ]
|
||||||
|
reg byte a [ main::$1 ]
|
Loading…
Reference in New Issue
Block a user