mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-12-25 11:32:07 +00:00
Added strcpy() test.
This commit is contained in:
jespergravgaard
parent
b23059ccc6
commit
83480c69dc
@ -42,6 +42,11 @@ public class TestPrograms {
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public TestPrograms() {
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}
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@Test
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public void testStrcpy0() throws IOException, URISyntaxException {
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compileAndCompare("strcpy-0.c");
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}
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@Test
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public void testStaticInitCode() throws IOException, URISyntaxException {
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compileAndCompare("static-init-code.c");
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13
src/test/kc/strcpy-0.c
Normal file
13
src/test/kc/strcpy-0.c
Normal file
@ -0,0 +1,13 @@
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char* dst1 = (char*)0x0400;
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char* dst2 = (char*)0x0428;
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void str_cpy( char *dst, char const *src ) {
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while ( *dst++ = *src++ ) {}
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}
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void main() {
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str_cpy(dst1, "hello");
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str_cpy(dst2, "world");
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}
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57
src/test/ref/strcpy-0.asm
Normal file
57
src/test/ref/strcpy-0.asm
Normal file
@ -0,0 +1,57 @@
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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 dst1 = $400
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.label dst2 = $428
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main: {
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// str_cpy(dst1, "hello")
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lda #<dst1
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sta.z str_cpy.dst
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lda #>dst1
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sta.z str_cpy.dst+1
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lda #<src
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sta.z str_cpy.src
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lda #>src
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sta.z str_cpy.src+1
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jsr str_cpy
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// str_cpy(dst2, "world")
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lda #<dst2
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sta.z str_cpy.dst
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lda #>dst2
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sta.z str_cpy.dst+1
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lda #<src1
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sta.z str_cpy.src
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lda #>src1
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sta.z str_cpy.src+1
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jsr str_cpy
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// }
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rts
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src: .text "hello"
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.byte 0
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src1: .text "world"
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.byte 0
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}
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// str_cpy(byte* zp(4) dst, byte* zp(2) src)
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str_cpy: {
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.label dst = 4
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.label src = 2
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__b1:
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// *dst++ = *src++
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ldy #0
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lda (src),y
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sta (dst),y
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// while ( *dst++ = *src++ )
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lda (dst),y
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inc.z dst
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bne !+
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inc.z dst+1
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!:
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inc.z src
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bne !+
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inc.z src+1
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!:
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cmp #0
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bne __b1
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// }
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rts
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}
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40
src/test/ref/strcpy-0.cfg
Normal file
40
src/test/ref/strcpy-0.cfg
Normal file
@ -0,0 +1,40 @@
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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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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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[5] call str_cpy
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to:main::@1
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main::@1: scope:[main] from main
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[6] phi()
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[7] call str_cpy
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to:main::@return
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main::@return: scope:[main] from main::@1
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[8] return
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to:@return
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(void()) str_cpy((byte*) str_cpy::dst , (to_nomodify byte*) str_cpy::src)
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str_cpy: scope:[str_cpy] from main main::@1
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[9] (byte*) str_cpy::dst#4 ← phi( main/(const byte*) dst1 main::@1/(const byte*) dst2 )
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[9] (to_nomodify byte*) str_cpy::src#4 ← phi( main/(const byte*) main::src main::@1/(const byte*) main::src1 )
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to:str_cpy::@1
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str_cpy::@1: scope:[str_cpy] from str_cpy str_cpy::@1
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[10] (byte*) str_cpy::dst#3 ← phi( str_cpy/(byte*) str_cpy::dst#4 str_cpy::@1/(byte*) str_cpy::dst#0 )
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[10] (to_nomodify byte*) str_cpy::src#3 ← phi( str_cpy/(to_nomodify byte*) str_cpy::src#4 str_cpy::@1/(to_nomodify byte*) str_cpy::src#0 )
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[11] *((byte*) str_cpy::dst#3) ← *((to_nomodify byte*) str_cpy::src#3)
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[12] (byte~) str_cpy::$0 ← *((byte*) str_cpy::dst#3)
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[13] (byte*) str_cpy::dst#0 ← ++ (byte*) str_cpy::dst#3
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[14] (to_nomodify byte*) str_cpy::src#0 ← ++ (to_nomodify byte*) str_cpy::src#3
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[15] if((byte) 0!=(byte~) str_cpy::$0) goto str_cpy::@1
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to:str_cpy::@return
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str_cpy::@return: scope:[str_cpy] from str_cpy::@1
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[16] return
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to:@return
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598
src/test/ref/strcpy-0.log
Normal file
598
src/test/ref/strcpy-0.log
Normal file
@ -0,0 +1,598 @@
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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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(void()) str_cpy((byte*) str_cpy::dst , (to_nomodify byte*) str_cpy::src)
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str_cpy: scope:[str_cpy] from main main::@1
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(byte*) str_cpy::dst#4 ← phi( main/(byte*) str_cpy::dst#1 main::@1/(byte*) str_cpy::dst#2 )
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(to_nomodify byte*) str_cpy::src#4 ← phi( main/(to_nomodify byte*) str_cpy::src#1 main::@1/(to_nomodify byte*) str_cpy::src#2 )
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to:str_cpy::@1
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str_cpy::@1: scope:[str_cpy] from str_cpy str_cpy::@1
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(byte*) str_cpy::dst#3 ← phi( str_cpy/(byte*) str_cpy::dst#4 str_cpy::@1/(byte*) str_cpy::dst#0 )
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(to_nomodify byte*) str_cpy::src#3 ← phi( str_cpy/(to_nomodify byte*) str_cpy::src#4 str_cpy::@1/(to_nomodify byte*) str_cpy::src#0 )
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*((byte*) str_cpy::dst#3) ← *((to_nomodify byte*) str_cpy::src#3)
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(byte~) str_cpy::$0 ← *((byte*) str_cpy::dst#3)
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(byte*) str_cpy::dst#0 ← ++ (byte*) str_cpy::dst#3
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(to_nomodify byte*) str_cpy::src#0 ← ++ (to_nomodify byte*) str_cpy::src#3
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(bool~) str_cpy::$1 ← (number) 0 != (byte~) str_cpy::$0
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if((bool~) str_cpy::$1) goto str_cpy::@1
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to:str_cpy::@return
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str_cpy::@return: scope:[str_cpy] from str_cpy::@1
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return
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to:@return
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(void()) main()
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main: scope:[main] from @1
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(byte*) str_cpy::dst#1 ← (const byte*) dst1
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(to_nomodify byte*) str_cpy::src#1 ← (const byte*) main::src
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call str_cpy
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to:main::@1
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main::@1: scope:[main] from main
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(byte*) str_cpy::dst#2 ← (const byte*) dst2
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(to_nomodify byte*) str_cpy::src#2 ← (const byte*) main::src1
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call str_cpy
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to:main::@2
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main::@2: scope:[main] from main::@1
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to:main::@return
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main::@return: scope:[main] from main::@2
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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*) dst1 = (byte*)(number) $400
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(const byte*) dst2 = (byte*)(number) $428
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(void()) main()
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(label) main::@1
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(label) main::@2
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(label) main::@return
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(const byte*) main::src[(byte) 6] = (byte*) "hello"
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(const byte*) main::src1[(byte) 6] = (byte*) "world"
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(void()) str_cpy((byte*) str_cpy::dst , (to_nomodify byte*) str_cpy::src)
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(byte~) str_cpy::$0
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(bool~) str_cpy::$1
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(label) str_cpy::@1
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(label) str_cpy::@return
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(byte*) str_cpy::dst
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(byte*) str_cpy::dst#0
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(byte*) str_cpy::dst#1
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(byte*) str_cpy::dst#2
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(byte*) str_cpy::dst#3
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(byte*) str_cpy::dst#4
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(to_nomodify byte*) str_cpy::src
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(to_nomodify byte*) str_cpy::src#0
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(to_nomodify byte*) str_cpy::src#1
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(to_nomodify byte*) str_cpy::src#2
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(to_nomodify byte*) str_cpy::src#3
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(to_nomodify byte*) str_cpy::src#4
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Adding number conversion cast (unumber) 0 in (bool~) str_cpy::$1 ← (number) 0 != (byte~) str_cpy::$0
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant pointer cast (byte*) 1064
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Simple Condition (bool~) str_cpy::$1 [7] if((byte) 0!=(byte~) str_cpy::$0) goto str_cpy::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte*) str_cpy::dst#1 = dst1
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Constant (const to_nomodify byte*) str_cpy::src#1 = main::src
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Constant (const byte*) str_cpy::dst#2 = dst2
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Constant (const to_nomodify byte*) str_cpy::src#2 = main::src1
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Successful SSA optimization Pass2ConstantIdentification
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Inlining constant with var siblings (const byte*) str_cpy::dst#1
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Inlining constant with var siblings (const to_nomodify byte*) str_cpy::src#1
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Inlining constant with var siblings (const byte*) str_cpy::dst#2
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Inlining constant with var siblings (const to_nomodify byte*) str_cpy::src#2
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Constant inlined str_cpy::src#1 = (const byte*) main::src
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Constant inlined str_cpy::src#2 = (const byte*) main::src1
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Constant inlined str_cpy::dst#1 = (const byte*) dst1
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Constant inlined str_cpy::dst#2 = (const byte*) dst2
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting str_cpy::@2(between str_cpy::@1 and str_cpy::@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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Adding NOP phi() at start of main::@1
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Adding NOP phi() at start of main::@2
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CALL GRAPH
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Calls in [] to main:2
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Calls in [main] to str_cpy:6 str_cpy:8
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Created 4 initial phi equivalence classes
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Coalesced [12] str_cpy::src#5 ← str_cpy::src#4
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Coalesced [13] str_cpy::dst#5 ← str_cpy::dst#4
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Coalesced [21] str_cpy::src#6 ← str_cpy::src#0
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Coalesced [22] str_cpy::dst#6 ← str_cpy::dst#0
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@2
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Culled Empty Block (label) str_cpy::@2
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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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Adding NOP phi() at start of main::@1
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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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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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[5] call str_cpy
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to:main::@1
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main::@1: scope:[main] from main
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[6] phi()
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[7] call str_cpy
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to:main::@return
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main::@return: scope:[main] from main::@1
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[8] return
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to:@return
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(void()) str_cpy((byte*) str_cpy::dst , (to_nomodify byte*) str_cpy::src)
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str_cpy: scope:[str_cpy] from main main::@1
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[9] (byte*) str_cpy::dst#4 ← phi( main/(const byte*) dst1 main::@1/(const byte*) dst2 )
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[9] (to_nomodify byte*) str_cpy::src#4 ← phi( main/(const byte*) main::src main::@1/(const byte*) main::src1 )
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to:str_cpy::@1
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str_cpy::@1: scope:[str_cpy] from str_cpy str_cpy::@1
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[10] (byte*) str_cpy::dst#3 ← phi( str_cpy/(byte*) str_cpy::dst#4 str_cpy::@1/(byte*) str_cpy::dst#0 )
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[10] (to_nomodify byte*) str_cpy::src#3 ← phi( str_cpy/(to_nomodify byte*) str_cpy::src#4 str_cpy::@1/(to_nomodify byte*) str_cpy::src#0 )
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[11] *((byte*) str_cpy::dst#3) ← *((to_nomodify byte*) str_cpy::src#3)
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[12] (byte~) str_cpy::$0 ← *((byte*) str_cpy::dst#3)
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[13] (byte*) str_cpy::dst#0 ← ++ (byte*) str_cpy::dst#3
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[14] (to_nomodify byte*) str_cpy::src#0 ← ++ (to_nomodify byte*) str_cpy::src#3
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[15] if((byte) 0!=(byte~) str_cpy::$0) goto str_cpy::@1
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to:str_cpy::@return
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str_cpy::@return: scope:[str_cpy] from str_cpy::@1
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[16] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(void()) str_cpy((byte*) str_cpy::dst , (to_nomodify byte*) str_cpy::src)
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(byte~) str_cpy::$0 667.3333333333334
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(byte*) str_cpy::dst
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(byte*) str_cpy::dst#0 667.3333333333334
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(byte*) str_cpy::dst#3 1368.3333333333335
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(byte*) str_cpy::dst#4 101.0
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(to_nomodify byte*) str_cpy::src
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(to_nomodify byte*) str_cpy::src#0 1001.0
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(to_nomodify byte*) str_cpy::src#3 776.0
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(to_nomodify byte*) str_cpy::src#4 101.0
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Initial phi equivalence classes
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[ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ]
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[ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ]
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Added variable str_cpy::$0 to live range equivalence class [ str_cpy::$0 ]
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Complete equivalence classes
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[ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ]
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[ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ]
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[ str_cpy::$0 ]
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Allocated zp[2]:2 [ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ]
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Allocated zp[2]:4 [ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ]
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Allocated zp[1]:6 [ str_cpy::$0 ]
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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.label dst1 = $400
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.label dst2 = $428
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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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// [5] call str_cpy
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// [9] phi from main to str_cpy [phi:main->str_cpy]
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str_cpy_from_main:
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// [9] phi (byte*) str_cpy::dst#4 = (const byte*) dst1 [phi:main->str_cpy#0] -- pbuz1=pbuc1
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lda #<dst1
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sta.z str_cpy.dst
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lda #>dst1
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sta.z str_cpy.dst+1
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// [9] phi (to_nomodify byte*) str_cpy::src#4 = (const byte*) main::src [phi:main->str_cpy#1] -- pbuz1=pbuc1
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lda #<src
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sta.z str_cpy.src
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lda #>src
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sta.z str_cpy.src+1
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jsr str_cpy
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// [6] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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jmp __b1
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// main::@1
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__b1:
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// [7] call str_cpy
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// [9] phi from main::@1 to str_cpy [phi:main::@1->str_cpy]
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str_cpy_from___b1:
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// [9] phi (byte*) str_cpy::dst#4 = (const byte*) dst2 [phi:main::@1->str_cpy#0] -- pbuz1=pbuc1
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lda #<dst2
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sta.z str_cpy.dst
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lda #>dst2
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sta.z str_cpy.dst+1
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// [9] phi (to_nomodify byte*) str_cpy::src#4 = (const byte*) main::src1 [phi:main::@1->str_cpy#1] -- pbuz1=pbuc1
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lda #<src1
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sta.z str_cpy.src
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lda #>src1
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sta.z str_cpy.src+1
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jsr str_cpy
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [8] return
|
||||
rts
|
||||
src: .text "hello"
|
||||
.byte 0
|
||||
src1: .text "world"
|
||||
.byte 0
|
||||
}
|
||||
// str_cpy
|
||||
// str_cpy(byte* zp(4) dst, byte* zp(2) src)
|
||||
str_cpy: {
|
||||
.label __0 = 6
|
||||
.label dst = 4
|
||||
.label src = 2
|
||||
// [10] phi from str_cpy str_cpy::@1 to str_cpy::@1 [phi:str_cpy/str_cpy::@1->str_cpy::@1]
|
||||
__b1_from_str_cpy:
|
||||
__b1_from___b1:
|
||||
// [10] phi (byte*) str_cpy::dst#3 = (byte*) str_cpy::dst#4 [phi:str_cpy/str_cpy::@1->str_cpy::@1#0] -- register_copy
|
||||
// [10] phi (to_nomodify byte*) str_cpy::src#3 = (to_nomodify byte*) str_cpy::src#4 [phi:str_cpy/str_cpy::@1->str_cpy::@1#1] -- register_copy
|
||||
jmp __b1
|
||||
// str_cpy::@1
|
||||
__b1:
|
||||
// [11] *((byte*) str_cpy::dst#3) ← *((to_nomodify byte*) str_cpy::src#3) -- _deref_pbuz1=_deref_pbuz2
|
||||
ldy #0
|
||||
lda (src),y
|
||||
ldy #0
|
||||
sta (dst),y
|
||||
// [12] (byte~) str_cpy::$0 ← *((byte*) str_cpy::dst#3) -- vbuz1=_deref_pbuz2
|
||||
ldy #0
|
||||
lda (dst),y
|
||||
sta.z __0
|
||||
// [13] (byte*) str_cpy::dst#0 ← ++ (byte*) str_cpy::dst#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z dst
|
||||
bne !+
|
||||
inc.z dst+1
|
||||
!:
|
||||
// [14] (to_nomodify byte*) str_cpy::src#0 ← ++ (to_nomodify byte*) str_cpy::src#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z src
|
||||
bne !+
|
||||
inc.z src+1
|
||||
!:
|
||||
// [15] if((byte) 0!=(byte~) str_cpy::$0) goto str_cpy::@1 -- vbuc1_neq_vbuz1_then_la1
|
||||
lda #0
|
||||
cmp.z __0
|
||||
bne __b1_from___b1
|
||||
jmp __breturn
|
||||
// str_cpy::@return
|
||||
__breturn:
|
||||
// [16] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [11] *((byte*) str_cpy::dst#3) ← *((to_nomodify byte*) str_cpy::src#3) [ str_cpy::src#3 str_cpy::dst#3 ] ( main:2::str_cpy:5 [ str_cpy::src#3 str_cpy::dst#3 ] { } main:2::str_cpy:7 [ str_cpy::src#3 str_cpy::dst#3 ] { } ) always clobbers reg byte a reg byte y
|
||||
Statement [12] (byte~) str_cpy::$0 ← *((byte*) str_cpy::dst#3) [ str_cpy::src#3 str_cpy::dst#3 str_cpy::$0 ] ( main:2::str_cpy:5 [ str_cpy::src#3 str_cpy::dst#3 str_cpy::$0 ] { } main:2::str_cpy:7 [ str_cpy::src#3 str_cpy::dst#3 str_cpy::$0 ] { } ) always clobbers reg byte a reg byte y
|
||||
Potential registers zp[2]:2 [ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ] : zp[2]:2 ,
|
||||
Potential registers zp[2]:4 [ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ] : zp[2]:4 ,
|
||||
Potential registers zp[1]:6 [ str_cpy::$0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [str_cpy] 2,136.67: zp[2]:4 [ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ] 1,878: zp[2]:2 [ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ] 667.33: zp[1]:6 [ str_cpy::$0 ]
|
||||
Uplift Scope [main]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [str_cpy] best 667 combination zp[2]:4 [ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ] zp[2]:2 [ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ] reg byte a [ str_cpy::$0 ]
|
||||
Uplifting [main] best 667 combination
|
||||
Uplifting [] best 667 combination
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
// File Comments
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.label dst1 = $400
|
||||
.label dst2 = $428
|
||||
// @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: {
|
||||
// [5] call str_cpy
|
||||
// [9] phi from main to str_cpy [phi:main->str_cpy]
|
||||
str_cpy_from_main:
|
||||
// [9] phi (byte*) str_cpy::dst#4 = (const byte*) dst1 [phi:main->str_cpy#0] -- pbuz1=pbuc1
|
||||
lda #<dst1
|
||||
sta.z str_cpy.dst
|
||||
lda #>dst1
|
||||
sta.z str_cpy.dst+1
|
||||
// [9] phi (to_nomodify byte*) str_cpy::src#4 = (const byte*) main::src [phi:main->str_cpy#1] -- pbuz1=pbuc1
|
||||
lda #<src
|
||||
sta.z str_cpy.src
|
||||
lda #>src
|
||||
sta.z str_cpy.src+1
|
||||
jsr str_cpy
|
||||
// [6] phi from main to main::@1 [phi:main->main::@1]
|
||||
__b1_from_main:
|
||||
jmp __b1
|
||||
// main::@1
|
||||
__b1:
|
||||
// [7] call str_cpy
|
||||
// [9] phi from main::@1 to str_cpy [phi:main::@1->str_cpy]
|
||||
str_cpy_from___b1:
|
||||
// [9] phi (byte*) str_cpy::dst#4 = (const byte*) dst2 [phi:main::@1->str_cpy#0] -- pbuz1=pbuc1
|
||||
lda #<dst2
|
||||
sta.z str_cpy.dst
|
||||
lda #>dst2
|
||||
sta.z str_cpy.dst+1
|
||||
// [9] phi (to_nomodify byte*) str_cpy::src#4 = (const byte*) main::src1 [phi:main::@1->str_cpy#1] -- pbuz1=pbuc1
|
||||
lda #<src1
|
||||
sta.z str_cpy.src
|
||||
lda #>src1
|
||||
sta.z str_cpy.src+1
|
||||
jsr str_cpy
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [8] return
|
||||
rts
|
||||
src: .text "hello"
|
||||
.byte 0
|
||||
src1: .text "world"
|
||||
.byte 0
|
||||
}
|
||||
// str_cpy
|
||||
// str_cpy(byte* zp(4) dst, byte* zp(2) src)
|
||||
str_cpy: {
|
||||
.label dst = 4
|
||||
.label src = 2
|
||||
// [10] phi from str_cpy str_cpy::@1 to str_cpy::@1 [phi:str_cpy/str_cpy::@1->str_cpy::@1]
|
||||
__b1_from_str_cpy:
|
||||
__b1_from___b1:
|
||||
// [10] phi (byte*) str_cpy::dst#3 = (byte*) str_cpy::dst#4 [phi:str_cpy/str_cpy::@1->str_cpy::@1#0] -- register_copy
|
||||
// [10] phi (to_nomodify byte*) str_cpy::src#3 = (to_nomodify byte*) str_cpy::src#4 [phi:str_cpy/str_cpy::@1->str_cpy::@1#1] -- register_copy
|
||||
jmp __b1
|
||||
// str_cpy::@1
|
||||
__b1:
|
||||
// [11] *((byte*) str_cpy::dst#3) ← *((to_nomodify byte*) str_cpy::src#3) -- _deref_pbuz1=_deref_pbuz2
|
||||
ldy #0
|
||||
lda (src),y
|
||||
ldy #0
|
||||
sta (dst),y
|
||||
// [12] (byte~) str_cpy::$0 ← *((byte*) str_cpy::dst#3) -- vbuaa=_deref_pbuz1
|
||||
ldy #0
|
||||
lda (dst),y
|
||||
// [13] (byte*) str_cpy::dst#0 ← ++ (byte*) str_cpy::dst#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z dst
|
||||
bne !+
|
||||
inc.z dst+1
|
||||
!:
|
||||
// [14] (to_nomodify byte*) str_cpy::src#0 ← ++ (to_nomodify byte*) str_cpy::src#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z src
|
||||
bne !+
|
||||
inc.z src+1
|
||||
!:
|
||||
// [15] if((byte) 0!=(byte~) str_cpy::$0) goto str_cpy::@1 -- vbuc1_neq_vbuaa_then_la1
|
||||
cmp #0
|
||||
bne __b1_from___b1
|
||||
jmp __breturn
|
||||
// str_cpy::@return
|
||||
__breturn:
|
||||
// [16] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp __b1
|
||||
Removing instruction jmp __bend
|
||||
Removing instruction jmp __b1
|
||||
Removing instruction jmp __breturn
|
||||
Removing instruction jmp __b1
|
||||
Removing instruction jmp __breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction ldy #0
|
||||
Removing instruction ldy #0
|
||||
Succesful ASM optimization Pass5UnnecesaryLoadElimination
|
||||
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_main:
|
||||
Removing instruction str_cpy_from___b1:
|
||||
Removing instruction __b1_from_str_cpy:
|
||||
Removing instruction __b1_from___b1:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction __bbegin:
|
||||
Removing instruction __bend:
|
||||
Removing instruction str_cpy_from_main:
|
||||
Removing instruction __b1:
|
||||
Removing instruction __breturn:
|
||||
Removing instruction __breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
Removing instruction jsr main
|
||||
Succesful ASM optimization Pass5SkipBegin
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const byte*) dst1 = (byte*) 1024
|
||||
(const byte*) dst2 = (byte*) 1064
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(const byte*) main::src[(byte) 6] = (byte*) "hello"
|
||||
(const byte*) main::src1[(byte) 6] = (byte*) "world"
|
||||
(void()) str_cpy((byte*) str_cpy::dst , (to_nomodify byte*) str_cpy::src)
|
||||
(byte~) str_cpy::$0 reg byte a 667.3333333333334
|
||||
(label) str_cpy::@1
|
||||
(label) str_cpy::@return
|
||||
(byte*) str_cpy::dst
|
||||
(byte*) str_cpy::dst#0 dst zp[2]:4 667.3333333333334
|
||||
(byte*) str_cpy::dst#3 dst zp[2]:4 1368.3333333333335
|
||||
(byte*) str_cpy::dst#4 dst zp[2]:4 101.0
|
||||
(to_nomodify byte*) str_cpy::src
|
||||
(to_nomodify byte*) str_cpy::src#0 src zp[2]:2 1001.0
|
||||
(to_nomodify byte*) str_cpy::src#3 src zp[2]:2 776.0
|
||||
(to_nomodify byte*) str_cpy::src#4 src zp[2]:2 101.0
|
||||
|
||||
zp[2]:2 [ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ]
|
||||
zp[2]:4 [ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ]
|
||||
reg byte a [ str_cpy::$0 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 549
|
||||
|
||||
// File Comments
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.label dst1 = $400
|
||||
.label dst2 = $428
|
||||
// @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: {
|
||||
// str_cpy(dst1, "hello")
|
||||
// [5] call str_cpy
|
||||
// [9] phi from main to str_cpy [phi:main->str_cpy]
|
||||
// [9] phi (byte*) str_cpy::dst#4 = (const byte*) dst1 [phi:main->str_cpy#0] -- pbuz1=pbuc1
|
||||
lda #<dst1
|
||||
sta.z str_cpy.dst
|
||||
lda #>dst1
|
||||
sta.z str_cpy.dst+1
|
||||
// [9] phi (to_nomodify byte*) str_cpy::src#4 = (const byte*) main::src [phi:main->str_cpy#1] -- pbuz1=pbuc1
|
||||
lda #<src
|
||||
sta.z str_cpy.src
|
||||
lda #>src
|
||||
sta.z str_cpy.src+1
|
||||
jsr str_cpy
|
||||
// [6] phi from main to main::@1 [phi:main->main::@1]
|
||||
// main::@1
|
||||
// str_cpy(dst2, "world")
|
||||
// [7] call str_cpy
|
||||
// [9] phi from main::@1 to str_cpy [phi:main::@1->str_cpy]
|
||||
// [9] phi (byte*) str_cpy::dst#4 = (const byte*) dst2 [phi:main::@1->str_cpy#0] -- pbuz1=pbuc1
|
||||
lda #<dst2
|
||||
sta.z str_cpy.dst
|
||||
lda #>dst2
|
||||
sta.z str_cpy.dst+1
|
||||
// [9] phi (to_nomodify byte*) str_cpy::src#4 = (const byte*) main::src1 [phi:main::@1->str_cpy#1] -- pbuz1=pbuc1
|
||||
lda #<src1
|
||||
sta.z str_cpy.src
|
||||
lda #>src1
|
||||
sta.z str_cpy.src+1
|
||||
jsr str_cpy
|
||||
// main::@return
|
||||
// }
|
||||
// [8] return
|
||||
rts
|
||||
src: .text "hello"
|
||||
.byte 0
|
||||
src1: .text "world"
|
||||
.byte 0
|
||||
}
|
||||
// str_cpy
|
||||
// str_cpy(byte* zp(4) dst, byte* zp(2) src)
|
||||
str_cpy: {
|
||||
.label dst = 4
|
||||
.label src = 2
|
||||
// [10] phi from str_cpy str_cpy::@1 to str_cpy::@1 [phi:str_cpy/str_cpy::@1->str_cpy::@1]
|
||||
// [10] phi (byte*) str_cpy::dst#3 = (byte*) str_cpy::dst#4 [phi:str_cpy/str_cpy::@1->str_cpy::@1#0] -- register_copy
|
||||
// [10] phi (to_nomodify byte*) str_cpy::src#3 = (to_nomodify byte*) str_cpy::src#4 [phi:str_cpy/str_cpy::@1->str_cpy::@1#1] -- register_copy
|
||||
// str_cpy::@1
|
||||
__b1:
|
||||
// *dst++ = *src++
|
||||
// [11] *((byte*) str_cpy::dst#3) ← *((to_nomodify byte*) str_cpy::src#3) -- _deref_pbuz1=_deref_pbuz2
|
||||
ldy #0
|
||||
lda (src),y
|
||||
sta (dst),y
|
||||
// while ( *dst++ = *src++ )
|
||||
// [12] (byte~) str_cpy::$0 ← *((byte*) str_cpy::dst#3) -- vbuaa=_deref_pbuz1
|
||||
lda (dst),y
|
||||
// [13] (byte*) str_cpy::dst#0 ← ++ (byte*) str_cpy::dst#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z dst
|
||||
bne !+
|
||||
inc.z dst+1
|
||||
!:
|
||||
// [14] (to_nomodify byte*) str_cpy::src#0 ← ++ (to_nomodify byte*) str_cpy::src#3 -- pbuz1=_inc_pbuz1
|
||||
inc.z src
|
||||
bne !+
|
||||
inc.z src+1
|
||||
!:
|
||||
// [15] if((byte) 0!=(byte~) str_cpy::$0) goto str_cpy::@1 -- vbuc1_neq_vbuaa_then_la1
|
||||
cmp #0
|
||||
bne __b1
|
||||
// str_cpy::@return
|
||||
// }
|
||||
// [16] return
|
||||
rts
|
||||
}
|
||||
// File Data
|
||||
|
||||
26
src/test/ref/strcpy-0.sym
Normal file
26
src/test/ref/strcpy-0.sym
Normal file
@ -0,0 +1,26 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const byte*) dst1 = (byte*) 1024
|
||||
(const byte*) dst2 = (byte*) 1064
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@return
|
||||
(const byte*) main::src[(byte) 6] = (byte*) "hello"
|
||||
(const byte*) main::src1[(byte) 6] = (byte*) "world"
|
||||
(void()) str_cpy((byte*) str_cpy::dst , (to_nomodify byte*) str_cpy::src)
|
||||
(byte~) str_cpy::$0 reg byte a 667.3333333333334
|
||||
(label) str_cpy::@1
|
||||
(label) str_cpy::@return
|
||||
(byte*) str_cpy::dst
|
||||
(byte*) str_cpy::dst#0 dst zp[2]:4 667.3333333333334
|
||||
(byte*) str_cpy::dst#3 dst zp[2]:4 1368.3333333333335
|
||||
(byte*) str_cpy::dst#4 dst zp[2]:4 101.0
|
||||
(to_nomodify byte*) str_cpy::src
|
||||
(to_nomodify byte*) str_cpy::src#0 src zp[2]:2 1001.0
|
||||
(to_nomodify byte*) str_cpy::src#3 src zp[2]:2 776.0
|
||||
(to_nomodify byte*) str_cpy::src#4 src zp[2]:2 101.0
|
||||
|
||||
zp[2]:2 [ str_cpy::src#3 str_cpy::src#4 str_cpy::src#0 ]
|
||||
zp[2]:4 [ str_cpy::dst#3 str_cpy::dst#4 str_cpy::dst#0 ]
|
||||
reg byte a [ str_cpy::$0 ]
|
||||
Loading…
Reference in New Issue
Block a user