mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-23 23:32:55 +00:00
Added pointer ANDing test case.
This commit is contained in:
jespergravgaard
parent
5d6fbcb42c
commit
5642c8d228
1
src/main/fragment/vbuaa=_hi__deref_pwsc1.asm
Normal file
1
src/main/fragment/vbuaa=_hi__deref_pwsc1.asm
Normal file
@ -0,0 +1 @@
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lda {c1}+1
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6
src/main/fragment/vwsz1=_deref_pwsc1_band_vwsc2.asm
Normal file
6
src/main/fragment/vwsz1=_deref_pwsc1_band_vwsc2.asm
Normal file
@ -0,0 +1,6 @@
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lda {c1}
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and #<{c2}
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sta {z1}
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lda {c1}+1
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and #>{c2}
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sta {z1}+1
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@ -47,6 +47,11 @@ public class TestPrograms {
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@Test
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public void testLongPointer0() throws IOException, URISyntaxException {
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compileAndCompare("pointer-anding.kc");
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}
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@Test
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public void testPointerAnding() throws IOException, URISyntaxException {
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compileAndCompare("long-pointer-0");
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}
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12
src/test/kc/pointer-anding.kc
Normal file
12
src/test/kc/pointer-anding.kc
Normal file
@ -0,0 +1,12 @@
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// Test binary ANDing pointers by Clay Cowgill
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void main() {
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int* pos_ptr = 0x0400;
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byte* vram_ptr = 0x0428;
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for( char i:0..2) {
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*pos_ptr=(int)0x55AA;
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*vram_ptr++=<(*pos_ptr&(int)0xAA55); // stores 0x00
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*vram_ptr++=>*pos_ptr; // stores 0x55
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pos_ptr++;
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}
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}
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61
src/test/ref/pointer-anding.kc.asm
Normal file
61
src/test/ref/pointer-anding.kc.asm
Normal file
@ -0,0 +1,61 @@
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// Test binary ANDing pointers by Clay Cowgill
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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.const SIZEOF_SIGNED_WORD = 2
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main: {
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.label _2 = 6
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.label vram_ptr = 4
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.label pos_ptr = 2
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ldx #0
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lda #<$428
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sta.z vram_ptr
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lda #>$428
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sta.z vram_ptr+1
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lda #<$400
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sta.z pos_ptr
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lda #>$400
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sta.z pos_ptr+1
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b1:
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ldy #0
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lda #<$55aa
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sta (pos_ptr),y
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iny
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lda #>$55aa
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sta (pos_ptr),y
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ldy #0
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lda (pos_ptr),y
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and #<$aa55
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sta.z _2
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iny
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lda (pos_ptr),y
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and #>$aa55
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sta.z _2+1
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lda.z _2
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ldy #0
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sta (vram_ptr),y
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inc.z vram_ptr
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bne !+
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inc.z vram_ptr+1
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!:
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ldy #1
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lda (pos_ptr),y
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// stores 0x00
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ldy #0
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sta (vram_ptr),y
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inc.z vram_ptr
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bne !+
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inc.z vram_ptr+1
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!:
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lda #SIZEOF_SIGNED_WORD
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clc
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adc.z pos_ptr
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sta.z pos_ptr
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bcc !+
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inc.z pos_ptr+1
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!:
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inx
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cpx #3
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bne b1
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rts
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}
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31
src/test/ref/pointer-anding.kc.cfg
Normal file
31
src/test/ref/pointer-anding.kc.cfg
Normal file
@ -0,0 +1,31 @@
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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] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
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[5] (byte*) main::vram_ptr#3 ← phi( main/(byte*) 1064 main::@1/(byte*) main::vram_ptr#2 )
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[5] (signed word*) main::pos_ptr#2 ← phi( main/(signed word*) 1024 main::@1/(signed word*) main::pos_ptr#1 )
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[6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa
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[7] (signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55
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[8] (byte~) main::$3 ← < (signed word~) main::$2
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[9] *((byte*) main::vram_ptr#3) ← (byte~) main::$3
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[10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3
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[11] (byte~) main::$4 ← > *((signed word*) main::pos_ptr#2)
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[12] *((byte*) main::vram_ptr#1) ← (byte~) main::$4
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[13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1
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[14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD
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[15] (byte) main::i#1 ← ++ (byte) main::i#2
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[16] if((byte) main::i#1!=(byte) 3) 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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[17] return
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to:@return
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644
src/test/ref/pointer-anding.kc.log
Normal file
644
src/test/ref/pointer-anding.kc.log
Normal file
@ -0,0 +1,644 @@
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Fixing pointer increment (signed word*) main::pos_ptr ← ++ (signed word*) main::pos_ptr
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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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to:@1
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main: scope:[main] from @1
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(signed word*) main::pos_ptr#0 ← ((signed word*)) (number) $400
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(byte*) main::vram_ptr#0 ← ((byte*)) (number) $428
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(byte) main::i#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@1
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@1/(byte) main::i#1 )
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(byte*) main::vram_ptr#3 ← phi( main/(byte*) main::vram_ptr#0 main::@1/(byte*) main::vram_ptr#2 )
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(signed word*) main::pos_ptr#2 ← phi( main/(signed word*) main::pos_ptr#0 main::@1/(signed word*) main::pos_ptr#1 )
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(signed word~) main::$0 ← ((signed word)) (number) $55aa
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*((signed word*) main::pos_ptr#2) ← (signed word~) main::$0
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(signed word~) main::$1 ← ((signed word)) (number) $aa55
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(signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word~) main::$1
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(byte~) main::$3 ← < (signed word~) main::$2
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*((byte*) main::vram_ptr#3) ← (byte~) main::$3
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(byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3
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(byte~) main::$4 ← > *((signed word*) main::pos_ptr#2)
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*((byte*) main::vram_ptr#1) ← (byte~) main::$4
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(byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1
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(signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD
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(byte) main::i#1 ← (byte) main::i#2 + rangenext(0,2)
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(bool~) main::$5 ← (byte) main::i#1 != rangelast(0,2)
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if((bool~) main::$5) 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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(const byte) SIZEOF_SIGNED_WORD = (byte) 2
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(void()) main()
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(signed word~) main::$0
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(signed word~) main::$1
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(signed word~) main::$2
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(byte~) main::$3
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(byte~) main::$4
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(bool~) main::$5
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(label) main::@1
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(label) main::@return
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(byte) main::i
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(byte) main::i#0
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(byte) main::i#1
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(byte) main::i#2
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(signed word*) main::pos_ptr
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(signed word*) main::pos_ptr#0
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(signed word*) main::pos_ptr#1
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(signed word*) main::pos_ptr#2
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(byte*) main::vram_ptr
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(byte*) main::vram_ptr#0
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(byte*) main::vram_ptr#1
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(byte*) main::vram_ptr#2
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(byte*) main::vram_ptr#3
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Inlining cast (signed word*) main::pos_ptr#0 ← (signed word*)(number) $400
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Inlining cast (byte*) main::vram_ptr#0 ← (byte*)(number) $428
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Inlining cast (signed word~) main::$0 ← (signed word)(number) $55aa
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Inlining cast (signed word~) main::$1 ← (signed word)(number) $aa55
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (signed word*) 1024
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Simplifying constant pointer cast (byte*) 1064
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Simplifying constant integer cast $55aa
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Simplifying constant integer cast $aa55
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Successful SSA optimization PassNCastSimplification
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Simple Condition (bool~) main::$5 [17] if((byte) main::i#1!=rangelast(0,2)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const signed word*) main::pos_ptr#0 = (signed word*) 1024
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Constant (const byte*) main::vram_ptr#0 = (byte*) 1064
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Constant (const byte) main::i#0 = 0
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Constant (const signed word) main::$0 = $55aa
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Constant (const signed word) main::$1 = $aa55
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [15] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [17] if(main::i#1!=rangelast(0,2)) goto main::@1 to (number) 3
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Adding number conversion cast (unumber) 3 in if((byte) main::i#1!=(number) 3) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 3
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 3
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings (const signed word*) main::pos_ptr#0
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Inlining constant with var siblings (const byte*) main::vram_ptr#0
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Inlining constant with var siblings (const byte) main::i#0
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Constant inlined main::vram_ptr#0 = (byte*) 1064
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Constant inlined main::i#0 = (byte) 0
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Constant inlined main::$1 = (signed word) $aa55
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Constant inlined main::pos_ptr#0 = (signed word*) 1024
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Constant inlined main::$0 = (signed word) $55aa
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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 3 initial phi equivalence classes
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Coalesced [19] main::pos_ptr#3 ← main::pos_ptr#1
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Coalesced [20] main::vram_ptr#4 ← main::vram_ptr#2
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Coalesced [21] main::i#3 ← main::i#1
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Coalesced down to 3 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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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] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
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[5] (byte*) main::vram_ptr#3 ← phi( main/(byte*) 1064 main::@1/(byte*) main::vram_ptr#2 )
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[5] (signed word*) main::pos_ptr#2 ← phi( main/(signed word*) 1024 main::@1/(signed word*) main::pos_ptr#1 )
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[6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa
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[7] (signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55
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[8] (byte~) main::$3 ← < (signed word~) main::$2
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[9] *((byte*) main::vram_ptr#3) ← (byte~) main::$3
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[10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3
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[11] (byte~) main::$4 ← > *((signed word*) main::pos_ptr#2)
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[12] *((byte*) main::vram_ptr#1) ← (byte~) main::$4
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[13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1
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[14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD
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[15] (byte) main::i#1 ← ++ (byte) main::i#2
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[16] if((byte) main::i#1!=(byte) 3) 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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[17] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(signed word~) main::$2 22.0
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(byte~) main::$3 22.0
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(byte~) main::$4 22.0
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(byte) main::i
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(byte) main::i#1 16.5
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(byte) main::i#2 2.2
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(signed word*) main::pos_ptr
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(signed word*) main::pos_ptr#1 7.333333333333333
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(signed word*) main::pos_ptr#2 6.111111111111112
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(byte*) main::vram_ptr
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(byte*) main::vram_ptr#1 11.0
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(byte*) main::vram_ptr#2 5.5
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(byte*) main::vram_ptr#3 6.6000000000000005
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Initial phi equivalence classes
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[ main::pos_ptr#2 main::pos_ptr#1 ]
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[ main::vram_ptr#3 main::vram_ptr#2 ]
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[ main::i#2 main::i#1 ]
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Added variable main::$2 to zero page equivalence class [ main::$2 ]
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Added variable main::$3 to zero page equivalence class [ main::$3 ]
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Added variable main::vram_ptr#1 to zero page equivalence class [ main::vram_ptr#1 ]
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Added variable main::$4 to zero page equivalence class [ main::$4 ]
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Complete equivalence classes
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[ main::pos_ptr#2 main::pos_ptr#1 ]
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[ main::vram_ptr#3 main::vram_ptr#2 ]
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[ main::i#2 main::i#1 ]
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[ main::$2 ]
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[ main::$3 ]
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[ main::vram_ptr#1 ]
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[ main::$4 ]
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Allocated zp ZP_WORD:2 [ main::pos_ptr#2 main::pos_ptr#1 ]
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Allocated zp ZP_WORD:4 [ main::vram_ptr#3 main::vram_ptr#2 ]
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Allocated zp ZP_BYTE:6 [ main::i#2 main::i#1 ]
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Allocated zp ZP_WORD:7 [ main::$2 ]
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Allocated zp ZP_BYTE:9 [ main::$3 ]
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Allocated zp ZP_WORD:10 [ main::vram_ptr#1 ]
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Allocated zp ZP_BYTE:12 [ main::$4 ]
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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 binary ANDing pointers by Clay Cowgill
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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.pc = $80d "Program"
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// Global Constants & labels
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.const SIZEOF_SIGNED_WORD = 2
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// @begin
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bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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b1_from_bbegin:
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jmp b1
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// @1
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b1:
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// [2] call main
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// [4] phi from @1 to main [phi:@1->main]
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main_from_b1:
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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bend_from_b1:
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jmp bend
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// @end
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bend:
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// main
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main: {
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.label _2 = 7
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.label _3 = 9
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.label _4 = $c
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.label vram_ptr = $a
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.label vram_ptr_2 = 4
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.label pos_ptr = 2
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.label i = 6
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.label vram_ptr_3 = 4
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// [5] phi from main to main::@1 [phi:main->main::@1]
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b1_from_main:
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// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z i
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// [5] phi (byte*) main::vram_ptr#3 = (byte*) 1064 [phi:main->main::@1#1] -- pbuz1=pbuc1
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lda #<$428
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sta.z vram_ptr_3
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lda #>$428
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sta.z vram_ptr_3+1
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// [5] phi (signed word*) main::pos_ptr#2 = (signed word*) 1024 [phi:main->main::@1#2] -- pwsz1=pwsc1
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lda #<$400
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sta.z pos_ptr
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lda #>$400
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sta.z pos_ptr+1
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jmp b1
|
||||
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
b1_from_b1:
|
||||
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
// [5] phi (byte*) main::vram_ptr#3 = (byte*) main::vram_ptr#2 [phi:main::@1->main::@1#1] -- register_copy
|
||||
// [5] phi (signed word*) main::pos_ptr#2 = (signed word*) main::pos_ptr#1 [phi:main::@1->main::@1#2] -- register_copy
|
||||
jmp b1
|
||||
// main::@1
|
||||
b1:
|
||||
// [6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa -- _deref_pwsz1=vwsc1
|
||||
ldy #0
|
||||
lda #<$55aa
|
||||
sta (pos_ptr),y
|
||||
iny
|
||||
lda #>$55aa
|
||||
sta (pos_ptr),y
|
||||
// [7] (signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55 -- vwsz1=_deref_pwsz2_band_vwsc1
|
||||
ldy #0
|
||||
lda (pos_ptr),y
|
||||
and #<$aa55
|
||||
sta.z _2
|
||||
iny
|
||||
lda (pos_ptr),y
|
||||
and #>$aa55
|
||||
sta.z _2+1
|
||||
// [8] (byte~) main::$3 ← < (signed word~) main::$2 -- vbuz1=_lo_vwsz2
|
||||
lda.z _2
|
||||
sta.z _3
|
||||
// [9] *((byte*) main::vram_ptr#3) ← (byte~) main::$3 -- _deref_pbuz1=vbuz2
|
||||
lda.z _3
|
||||
ldy #0
|
||||
sta (vram_ptr_3),y
|
||||
// [10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3 -- pbuz1=_inc_pbuz2
|
||||
lda.z vram_ptr_3
|
||||
clc
|
||||
adc #1
|
||||
sta.z vram_ptr
|
||||
lda.z vram_ptr_3+1
|
||||
adc #0
|
||||
sta.z vram_ptr+1
|
||||
// [11] (byte~) main::$4 ← > *((signed word*) main::pos_ptr#2) -- vbuz1=_hi__deref_pwsz2
|
||||
ldy #1
|
||||
lda (pos_ptr),y
|
||||
sta.z _4
|
||||
// [12] *((byte*) main::vram_ptr#1) ← (byte~) main::$4 -- _deref_pbuz1=vbuz2
|
||||
// stores 0x00
|
||||
lda.z _4
|
||||
ldy #0
|
||||
sta (vram_ptr),y
|
||||
// [13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1 -- pbuz1=_inc_pbuz2
|
||||
lda.z vram_ptr
|
||||
clc
|
||||
adc #1
|
||||
sta.z vram_ptr_2
|
||||
lda.z vram_ptr+1
|
||||
adc #0
|
||||
sta.z vram_ptr_2+1
|
||||
// [14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD -- pwsz1=pwsz1_plus_vbuc1
|
||||
lda #SIZEOF_SIGNED_WORD
|
||||
clc
|
||||
adc.z pos_ptr
|
||||
sta.z pos_ptr
|
||||
bcc !+
|
||||
inc.z pos_ptr+1
|
||||
!:
|
||||
// [15] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
||||
inc.z i
|
||||
// [16] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
||||
lda #3
|
||||
cmp.z i
|
||||
bne b1_from_b1
|
||||
jmp breturn
|
||||
// main::@return
|
||||
breturn:
|
||||
// [17] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ) always clobbers reg byte a reg byte y
|
||||
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:6 [ main::i#2 main::i#1 ]
|
||||
Removing always clobbered register reg byte y as potential for zp ZP_BYTE:6 [ main::i#2 main::i#1 ]
|
||||
Statement [7] (signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$2 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$2 ] ) always clobbers reg byte a reg byte y
|
||||
Statement [8] (byte~) main::$3 ← < (signed word~) main::$2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$3 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$3 ] ) always clobbers reg byte a
|
||||
Statement [9] *((byte*) main::vram_ptr#3) ← (byte~) main::$3 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ) always clobbers reg byte y
|
||||
Statement [10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ) always clobbers reg byte a
|
||||
Statement [11] (byte~) main::$4 ← > *((signed word*) main::pos_ptr#2) [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 main::$4 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 main::$4 ] ) always clobbers reg byte a reg byte y
|
||||
Statement [12] *((byte*) main::vram_ptr#1) ← (byte~) main::$4 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ) always clobbers reg byte y
|
||||
Statement [13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1 [ main::pos_ptr#2 main::i#2 main::vram_ptr#2 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#2 ] ) always clobbers reg byte a
|
||||
Statement [14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD [ main::i#2 main::pos_ptr#1 main::vram_ptr#2 ] ( main:2 [ main::i#2 main::pos_ptr#1 main::vram_ptr#2 ] ) always clobbers reg byte a
|
||||
Statement [6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ) always clobbers reg byte a reg byte y
|
||||
Statement [7] (signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$2 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$2 ] ) always clobbers reg byte a reg byte y
|
||||
Statement [8] (byte~) main::$3 ← < (signed word~) main::$2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$3 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 main::$3 ] ) always clobbers reg byte a
|
||||
Statement [9] *((byte*) main::vram_ptr#3) ← (byte~) main::$3 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ( main:2 [ main::pos_ptr#2 main::vram_ptr#3 main::i#2 ] ) always clobbers reg byte y
|
||||
Statement [10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ) always clobbers reg byte a
|
||||
Statement [11] (byte~) main::$4 ← > *((signed word*) main::pos_ptr#2) [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 main::$4 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 main::$4 ] ) always clobbers reg byte a reg byte y
|
||||
Statement [12] *((byte*) main::vram_ptr#1) ← (byte~) main::$4 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#1 ] ) always clobbers reg byte y
|
||||
Statement [13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1 [ main::pos_ptr#2 main::i#2 main::vram_ptr#2 ] ( main:2 [ main::pos_ptr#2 main::i#2 main::vram_ptr#2 ] ) always clobbers reg byte a
|
||||
Statement [14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD [ main::i#2 main::pos_ptr#1 main::vram_ptr#2 ] ( main:2 [ main::i#2 main::pos_ptr#1 main::vram_ptr#2 ] ) always clobbers reg byte a
|
||||
Potential registers zp ZP_WORD:2 [ main::pos_ptr#2 main::pos_ptr#1 ] : zp ZP_WORD:2 ,
|
||||
Potential registers zp ZP_WORD:4 [ main::vram_ptr#3 main::vram_ptr#2 ] : zp ZP_WORD:4 ,
|
||||
Potential registers zp ZP_BYTE:6 [ main::i#2 main::i#1 ] : zp ZP_BYTE:6 , reg byte x ,
|
||||
Potential registers zp ZP_WORD:7 [ main::$2 ] : zp ZP_WORD:7 ,
|
||||
Potential registers zp ZP_BYTE:9 [ main::$3 ] : zp ZP_BYTE:9 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp ZP_WORD:10 [ main::vram_ptr#1 ] : zp ZP_WORD:10 ,
|
||||
Potential registers zp ZP_BYTE:12 [ main::$4 ] : zp ZP_BYTE:12 , reg byte a , reg byte x , reg byte y ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main] 22: zp ZP_WORD:7 [ main::$2 ] 22: zp ZP_BYTE:9 [ main::$3 ] 22: zp ZP_BYTE:12 [ main::$4 ] 18.7: zp ZP_BYTE:6 [ main::i#2 main::i#1 ] 13.44: zp ZP_WORD:2 [ main::pos_ptr#2 main::pos_ptr#1 ] 12.1: zp ZP_WORD:4 [ main::vram_ptr#3 main::vram_ptr#2 ] 11: zp ZP_WORD:10 [ main::vram_ptr#1 ]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 1643 combination zp ZP_WORD:7 [ main::$2 ] reg byte a [ main::$3 ] reg byte a [ main::$4 ] reg byte x [ main::i#2 main::i#1 ] zp ZP_WORD:2 [ main::pos_ptr#2 main::pos_ptr#1 ] zp ZP_WORD:4 [ main::vram_ptr#3 main::vram_ptr#2 ] zp ZP_WORD:10 [ main::vram_ptr#1 ]
|
||||
Uplifting [] best 1643 combination
|
||||
Coalescing zero page register [ zp ZP_WORD:4 [ main::vram_ptr#3 main::vram_ptr#2 ] ] with [ zp ZP_WORD:10 [ main::vram_ptr#1 ] ] - score: 2
|
||||
Allocated (was zp ZP_WORD:7) zp ZP_WORD:6 [ main::$2 ]
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
// File Comments
|
||||
// Test binary ANDing pointers by Clay Cowgill
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.const SIZEOF_SIGNED_WORD = 2
|
||||
// @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 _2 = 6
|
||||
.label vram_ptr = 4
|
||||
.label pos_ptr = 2
|
||||
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
// [5] phi (byte*) main::vram_ptr#3 = (byte*) 1064 [phi:main->main::@1#1] -- pbuz1=pbuc1
|
||||
lda #<$428
|
||||
sta.z vram_ptr
|
||||
lda #>$428
|
||||
sta.z vram_ptr+1
|
||||
// [5] phi (signed word*) main::pos_ptr#2 = (signed word*) 1024 [phi:main->main::@1#2] -- pwsz1=pwsc1
|
||||
lda #<$400
|
||||
sta.z pos_ptr
|
||||
lda #>$400
|
||||
sta.z pos_ptr+1
|
||||
jmp b1
|
||||
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
b1_from_b1:
|
||||
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
// [5] phi (byte*) main::vram_ptr#3 = (byte*) main::vram_ptr#2 [phi:main::@1->main::@1#1] -- register_copy
|
||||
// [5] phi (signed word*) main::pos_ptr#2 = (signed word*) main::pos_ptr#1 [phi:main::@1->main::@1#2] -- register_copy
|
||||
jmp b1
|
||||
// main::@1
|
||||
b1:
|
||||
// [6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa -- _deref_pwsz1=vwsc1
|
||||
ldy #0
|
||||
lda #<$55aa
|
||||
sta (pos_ptr),y
|
||||
iny
|
||||
lda #>$55aa
|
||||
sta (pos_ptr),y
|
||||
// [7] (signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55 -- vwsz1=_deref_pwsz2_band_vwsc1
|
||||
ldy #0
|
||||
lda (pos_ptr),y
|
||||
and #<$aa55
|
||||
sta.z _2
|
||||
iny
|
||||
lda (pos_ptr),y
|
||||
and #>$aa55
|
||||
sta.z _2+1
|
||||
// [8] (byte~) main::$3 ← < (signed word~) main::$2 -- vbuaa=_lo_vwsz1
|
||||
lda.z _2
|
||||
// [9] *((byte*) main::vram_ptr#3) ← (byte~) main::$3 -- _deref_pbuz1=vbuaa
|
||||
ldy #0
|
||||
sta (vram_ptr),y
|
||||
// [10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z vram_ptr
|
||||
bne !+
|
||||
inc.z vram_ptr+1
|
||||
!:
|
||||
// [11] (byte~) main::$4 ← > *((signed word*) main::pos_ptr#2) -- vbuaa=_hi__deref_pwsz1
|
||||
ldy #1
|
||||
lda (pos_ptr),y
|
||||
// [12] *((byte*) main::vram_ptr#1) ← (byte~) main::$4 -- _deref_pbuz1=vbuaa
|
||||
// stores 0x00
|
||||
ldy #0
|
||||
sta (vram_ptr),y
|
||||
// [13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1 -- pbuz1=_inc_pbuz1
|
||||
inc.z vram_ptr
|
||||
bne !+
|
||||
inc.z vram_ptr+1
|
||||
!:
|
||||
// [14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD -- pwsz1=pwsz1_plus_vbuc1
|
||||
lda #SIZEOF_SIGNED_WORD
|
||||
clc
|
||||
adc.z pos_ptr
|
||||
sta.z pos_ptr
|
||||
bcc !+
|
||||
inc.z pos_ptr+1
|
||||
!:
|
||||
// [15] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
// [16] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #3
|
||||
bne b1_from_b1
|
||||
jmp breturn
|
||||
// main::@return
|
||||
breturn:
|
||||
// [17] 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
|
||||
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
|
||||
(const byte) SIZEOF_SIGNED_WORD SIZEOF_SIGNED_WORD = (byte) 2
|
||||
(void()) main()
|
||||
(signed word~) main::$2 $2 zp ZP_WORD:6 22.0
|
||||
(byte~) main::$3 reg byte a 22.0
|
||||
(byte~) main::$4 reg byte a 22.0
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(byte) main::i
|
||||
(byte) main::i#1 reg byte x 16.5
|
||||
(byte) main::i#2 reg byte x 2.2
|
||||
(signed word*) main::pos_ptr
|
||||
(signed word*) main::pos_ptr#1 pos_ptr zp ZP_WORD:2 7.333333333333333
|
||||
(signed word*) main::pos_ptr#2 pos_ptr zp ZP_WORD:2 6.111111111111112
|
||||
(byte*) main::vram_ptr
|
||||
(byte*) main::vram_ptr#1 vram_ptr zp ZP_WORD:4 11.0
|
||||
(byte*) main::vram_ptr#2 vram_ptr zp ZP_WORD:4 5.5
|
||||
(byte*) main::vram_ptr#3 vram_ptr zp ZP_WORD:4 6.6000000000000005
|
||||
|
||||
zp ZP_WORD:2 [ main::pos_ptr#2 main::pos_ptr#1 ]
|
||||
zp ZP_WORD:4 [ main::vram_ptr#3 main::vram_ptr#2 main::vram_ptr#1 ]
|
||||
reg byte x [ main::i#2 main::i#1 ]
|
||||
zp ZP_WORD:6 [ main::$2 ]
|
||||
reg byte a [ main::$3 ]
|
||||
reg byte a [ main::$4 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 1431
|
||||
|
||||
// File Comments
|
||||
// Test binary ANDing pointers by Clay Cowgill
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.const SIZEOF_SIGNED_WORD = 2
|
||||
// @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 _2 = 6
|
||||
.label vram_ptr = 4
|
||||
.label pos_ptr = 2
|
||||
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
// [5] phi (byte*) main::vram_ptr#3 = (byte*) 1064 [phi:main->main::@1#1] -- pbuz1=pbuc1
|
||||
lda #<$428
|
||||
sta.z vram_ptr
|
||||
lda #>$428
|
||||
sta.z vram_ptr+1
|
||||
// [5] phi (signed word*) main::pos_ptr#2 = (signed word*) 1024 [phi:main->main::@1#2] -- pwsz1=pwsc1
|
||||
lda #<$400
|
||||
sta.z pos_ptr
|
||||
lda #>$400
|
||||
sta.z pos_ptr+1
|
||||
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
// [5] phi (byte*) main::vram_ptr#3 = (byte*) main::vram_ptr#2 [phi:main::@1->main::@1#1] -- register_copy
|
||||
// [5] phi (signed word*) main::pos_ptr#2 = (signed word*) main::pos_ptr#1 [phi:main::@1->main::@1#2] -- register_copy
|
||||
// main::@1
|
||||
b1:
|
||||
// *pos_ptr=(int)0x55AA
|
||||
// [6] *((signed word*) main::pos_ptr#2) ← (signed word) $55aa -- _deref_pwsz1=vwsc1
|
||||
ldy #0
|
||||
lda #<$55aa
|
||||
sta (pos_ptr),y
|
||||
iny
|
||||
lda #>$55aa
|
||||
sta (pos_ptr),y
|
||||
// *pos_ptr&(int)0xAA55
|
||||
// [7] (signed word~) main::$2 ← *((signed word*) main::pos_ptr#2) & (signed word) $aa55 -- vwsz1=_deref_pwsz2_band_vwsc1
|
||||
ldy #0
|
||||
lda (pos_ptr),y
|
||||
and #<$aa55
|
||||
sta.z _2
|
||||
iny
|
||||
lda (pos_ptr),y
|
||||
and #>$aa55
|
||||
sta.z _2+1
|
||||
// <(*pos_ptr&(int)0xAA55)
|
||||
// [8] (byte~) main::$3 ← < (signed word~) main::$2 -- vbuaa=_lo_vwsz1
|
||||
lda.z _2
|
||||
// *vram_ptr++=<(*pos_ptr&(int)0xAA55)
|
||||
// [9] *((byte*) main::vram_ptr#3) ← (byte~) main::$3 -- _deref_pbuz1=vbuaa
|
||||
ldy #0
|
||||
sta (vram_ptr),y
|
||||
// *vram_ptr++=<(*pos_ptr&(int)0xAA55);
|
||||
// [10] (byte*) main::vram_ptr#1 ← ++ (byte*) main::vram_ptr#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z vram_ptr
|
||||
bne !+
|
||||
inc.z vram_ptr+1
|
||||
!:
|
||||
// >*pos_ptr
|
||||
// [11] (byte~) main::$4 ← > *((signed word*) main::pos_ptr#2) -- vbuaa=_hi__deref_pwsz1
|
||||
ldy #1
|
||||
lda (pos_ptr),y
|
||||
// *vram_ptr++=>*pos_ptr
|
||||
// [12] *((byte*) main::vram_ptr#1) ← (byte~) main::$4 -- _deref_pbuz1=vbuaa
|
||||
// stores 0x00
|
||||
ldy #0
|
||||
sta (vram_ptr),y
|
||||
// *vram_ptr++=>*pos_ptr;
|
||||
// [13] (byte*) main::vram_ptr#2 ← ++ (byte*) main::vram_ptr#1 -- pbuz1=_inc_pbuz1
|
||||
inc.z vram_ptr
|
||||
bne !+
|
||||
inc.z vram_ptr+1
|
||||
!:
|
||||
// pos_ptr++;
|
||||
// [14] (signed word*) main::pos_ptr#1 ← (signed word*) main::pos_ptr#2 + (const byte) SIZEOF_SIGNED_WORD -- pwsz1=pwsz1_plus_vbuc1
|
||||
lda #SIZEOF_SIGNED_WORD
|
||||
clc
|
||||
adc.z pos_ptr
|
||||
sta.z pos_ptr
|
||||
bcc !+
|
||||
inc.z pos_ptr+1
|
||||
!:
|
||||
// for( char i:0..2)
|
||||
// [15] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
// [16] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #3
|
||||
bne b1
|
||||
// main::@return
|
||||
// }
|
||||
// [17] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
27
src/test/ref/pointer-anding.kc.sym
Normal file
27
src/test/ref/pointer-anding.kc.sym
Normal file
@ -0,0 +1,27 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const byte) SIZEOF_SIGNED_WORD SIZEOF_SIGNED_WORD = (byte) 2
|
||||
(void()) main()
|
||||
(signed word~) main::$2 $2 zp ZP_WORD:6 22.0
|
||||
(byte~) main::$3 reg byte a 22.0
|
||||
(byte~) main::$4 reg byte a 22.0
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(byte) main::i
|
||||
(byte) main::i#1 reg byte x 16.5
|
||||
(byte) main::i#2 reg byte x 2.2
|
||||
(signed word*) main::pos_ptr
|
||||
(signed word*) main::pos_ptr#1 pos_ptr zp ZP_WORD:2 7.333333333333333
|
||||
(signed word*) main::pos_ptr#2 pos_ptr zp ZP_WORD:2 6.111111111111112
|
||||
(byte*) main::vram_ptr
|
||||
(byte*) main::vram_ptr#1 vram_ptr zp ZP_WORD:4 11.0
|
||||
(byte*) main::vram_ptr#2 vram_ptr zp ZP_WORD:4 5.5
|
||||
(byte*) main::vram_ptr#3 vram_ptr zp ZP_WORD:4 6.6000000000000005
|
||||
|
||||
zp ZP_WORD:2 [ main::pos_ptr#2 main::pos_ptr#1 ]
|
||||
zp ZP_WORD:4 [ main::vram_ptr#3 main::vram_ptr#2 main::vram_ptr#1 ]
|
||||
reg byte x [ main::i#2 main::i#1 ]
|
||||
zp ZP_WORD:6 [ main::$2 ]
|
||||
reg byte a [ main::$3 ]
|
||||
reg byte a [ main::$4 ]
|
||||
Loading…
Reference in New Issue
Block a user