mirror of
https://gitlab.com/camelot/kickc.git
synced 2025-08-07 22:25:13 +00:00
358 lines
9.7 KiB
Plaintext
358 lines
9.7 KiB
Plaintext
Setting inferred volatile on symbol affected by address-of (struct A*) main::a ← &(struct A) aa
|
|
Created struct value member variable (byte) aa_b
|
|
Converted struct value to member variables (struct A) aa
|
|
Adding struct value member variable copy (byte) aa_b ← (byte) 1
|
|
Rewriting struct pointer member access *((struct A*) main::a).b
|
|
Warning! Adding boolean cast to non-boolean sub-expression *((byte*~) main::$2)
|
|
Identified constant variable (struct A*) main::a
|
|
|
|
CONTROL FLOW GRAPH SSA
|
|
@begin: scope:[] from
|
|
(byte) aa_b#0 ← (byte) 1
|
|
(struct A) aa#0 ← struct-unwound {(byte) aa_b#0}
|
|
to:@1
|
|
|
|
(void()) main()
|
|
main: scope:[main] from @1
|
|
(byte*~) main::$2 ← (byte*)(const struct A*) main::a + (const byte) OFFSET_STRUCT_A_B
|
|
(bool~) main::$3 ← (number) 0 != *((byte*~) main::$2)
|
|
(bool~) main::$0 ← ! (bool~) main::$3
|
|
(bool~) main::$1 ← ! (bool~) main::$0
|
|
if((bool~) main::$1) goto main::@1
|
|
to:main::@2
|
|
main::@1: scope:[main] from main main::@2
|
|
asm { jmp!a+ !a: }
|
|
to:main::@return
|
|
main::@2: scope:[main] from main
|
|
*((const byte*) main::SCREEN) ← (byte) 'a'
|
|
to:main::@1
|
|
main::@return: scope:[main] from main::@1
|
|
return
|
|
to:@return
|
|
@1: scope:[] from @begin
|
|
call main
|
|
to:@2
|
|
@2: scope:[] from @1
|
|
to:@end
|
|
@end: scope:[] from @2
|
|
|
|
SYMBOL TABLE SSA
|
|
(label) @1
|
|
(label) @2
|
|
(label) @begin
|
|
(label) @end
|
|
(byte) A::b
|
|
(const byte) OFFSET_STRUCT_A_B = (byte) 0
|
|
(struct A) aa
|
|
(struct A) aa#0
|
|
(byte) aa_b
|
|
(byte) aa_b#0
|
|
(void()) main()
|
|
(bool~) main::$0
|
|
(bool~) main::$1
|
|
(byte*~) main::$2
|
|
(bool~) main::$3
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@return
|
|
(const byte*) main::SCREEN = (byte*)(number) $400
|
|
(const struct A*) main::a = &(struct A) aa
|
|
|
|
Adding number conversion cast (unumber) 0 in (bool~) main::$3 ← (number) 0 != *((byte*~) main::$2)
|
|
Successful SSA optimization PassNAddNumberTypeConversions
|
|
Simplifying constant pointer cast (byte*) 1024
|
|
Simplifying constant integer cast 0
|
|
Successful SSA optimization PassNCastSimplification
|
|
Finalized unsigned number type (byte) 0
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Inversing boolean not [4] (bool~) main::$0 ← (byte) 0 == *((byte*~) main::$2) from [3] (bool~) main::$3 ← (byte) 0 != *((byte*~) main::$2)
|
|
Inversing boolean not [5] (bool~) main::$1 ← (byte) 0 != *((byte*~) main::$2) from [4] (bool~) main::$0 ← (byte) 0 == *((byte*~) main::$2)
|
|
Successful SSA optimization Pass2UnaryNotSimplification
|
|
Simple Condition (bool~) main::$1 [6] if((byte) 0!=*((byte*~) main::$2)) goto main::@1
|
|
Successful SSA optimization Pass2ConditionalJumpSimplification
|
|
Rewriting struct address-of to first member &(struct A) aa
|
|
Successful SSA optimization PassNStructAddressOfRewriting
|
|
Constant right-side identified [2] (byte*~) main::$2 ← (byte*)(const struct A*) main::a + (const byte) OFFSET_STRUCT_A_B
|
|
Successful SSA optimization Pass2ConstantRValueConsolidation
|
|
Constant (const byte*) main::$2 = (byte*)main::a+OFFSET_STRUCT_A_B
|
|
Successful SSA optimization Pass2ConstantIdentification
|
|
Simplifying expression containing zero (byte*)main::a in
|
|
Successful SSA optimization PassNSimplifyExpressionWithZero
|
|
Eliminating unused variable (struct A) aa#0 and assignment [1] (struct A) aa#0 ← struct-unwound {(byte) aa_b#0}
|
|
Eliminating unused constant (const byte) OFFSET_STRUCT_A_B
|
|
Successful SSA optimization PassNEliminateUnusedVars
|
|
Constant inlined main::$2 = (byte*)(const struct A*) main::a
|
|
Successful SSA optimization Pass2ConstantInlining
|
|
Adding NOP phi() at start of @1
|
|
Adding NOP phi() at start of @2
|
|
Adding NOP phi() at start of @end
|
|
CALL GRAPH
|
|
Calls in [] to main:2
|
|
|
|
Created 0 initial phi equivalence classes
|
|
Coalesced down to 0 phi equivalence classes
|
|
Culled Empty Block (label) @2
|
|
Adding NOP phi() at start of @1
|
|
Adding NOP phi() at start of @end
|
|
|
|
FINAL CONTROL FLOW GRAPH
|
|
@begin: scope:[] from
|
|
[0] (byte) aa_b#0 ← (byte) 1
|
|
to:@1
|
|
@1: scope:[] from @begin
|
|
[1] phi()
|
|
[2] call main
|
|
to:@end
|
|
@end: scope:[] from @1
|
|
[3] phi()
|
|
|
|
(void()) main()
|
|
main: scope:[main] from @1
|
|
[4] if((byte) 0!=*((byte*)(const struct A*) main::a)) goto main::@1
|
|
to:main::@2
|
|
main::@2: scope:[main] from main
|
|
[5] *((const byte*) main::SCREEN) ← (byte) 'a'
|
|
to:main::@1
|
|
main::@1: scope:[main] from main main::@2
|
|
asm { jmp!a+ !a: }
|
|
to:main::@return
|
|
main::@return: scope:[main] from main::@1
|
|
[7] return
|
|
to:@return
|
|
|
|
|
|
VARIABLE REGISTER WEIGHTS
|
|
(byte) A::b
|
|
(struct A) aa
|
|
(byte) aa_b
|
|
(byte) aa_b#0 20.0
|
|
(void()) main()
|
|
|
|
Initial phi equivalence classes
|
|
Complete equivalence classes
|
|
[ aa_b#0 ]
|
|
Allocated zp[1]:2 [ aa_b#0 ]
|
|
|
|
INITIAL ASM
|
|
Target platform is c64basic / MOS6502X
|
|
// File Comments
|
|
// Test parsing a negated struct reference - which causes problems with the ASMREL labels !a++
|
|
// https://gitlab.com/camelot/kickc/issues/266
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(__bbegin)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.label aa_b = 2
|
|
// @begin
|
|
__bbegin:
|
|
// [0] (byte) aa_b#0 ← (byte) 1 -- vbuz1=vbuc1
|
|
lda #1
|
|
sta.z aa_b
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
__b1_from___bbegin:
|
|
jmp __b1
|
|
// @1
|
|
__b1:
|
|
// [2] call main
|
|
jsr main
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
__bend_from___b1:
|
|
jmp __bend
|
|
// @end
|
|
__bend:
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
.label a = aa_b
|
|
// [4] if((byte) 0!=*((byte*)(const struct A*) main::a)) goto main::@1 -- vbuc1_neq__deref_pbuc2_then_la1
|
|
lda #0
|
|
cmp.z a
|
|
bne __b1
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [5] *((const byte*) main::SCREEN) ← (byte) 'a' -- _deref_pbuc1=vbuc2
|
|
lda #'a'
|
|
sta SCREEN
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// asm { jmp!a+ !a: }
|
|
// ASMREL labels
|
|
jmp !a+
|
|
!a:
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [7] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [0] (byte) aa_b#0 ← (byte) 1 [ ] ( [ ] ) always clobbers reg byte a
|
|
Statement [4] if((byte) 0!=*((byte*)(const struct A*) main::a)) goto main::@1 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
|
Statement [5] *((const byte*) main::SCREEN) ← (byte) 'a' [ ] ( main:2 [ ] ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ aa_b#0 ] : zp[1]:2 ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [] 20: zp[1]:2 [ aa_b#0 ]
|
|
Uplift Scope [A]
|
|
Uplift Scope [main]
|
|
|
|
Uplifting [] best 48 combination zp[1]:2 [ aa_b#0 ]
|
|
Uplifting [A] best 48 combination
|
|
Uplifting [main] best 48 combination
|
|
Attempting to uplift remaining variables inzp[1]:2 [ aa_b#0 ]
|
|
Uplifting [] best 48 combination zp[1]:2 [ aa_b#0 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Test parsing a negated struct reference - which causes problems with the ASMREL labels !a++
|
|
// https://gitlab.com/camelot/kickc/issues/266
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(__bbegin)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.label aa_b = 2
|
|
// @begin
|
|
__bbegin:
|
|
// [0] (byte) aa_b#0 ← (byte) 1 -- vbuz1=vbuc1
|
|
lda #1
|
|
sta.z aa_b
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
__b1_from___bbegin:
|
|
jmp __b1
|
|
// @1
|
|
__b1:
|
|
// [2] call main
|
|
jsr main
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
__bend_from___b1:
|
|
jmp __bend
|
|
// @end
|
|
__bend:
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
.label a = aa_b
|
|
// [4] if((byte) 0!=*((byte*)(const struct A*) main::a)) goto main::@1 -- vbuc1_neq__deref_pbuc2_then_la1
|
|
lda #0
|
|
cmp.z a
|
|
bne __b1
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [5] *((const byte*) main::SCREEN) ← (byte) 'a' -- _deref_pbuc1=vbuc2
|
|
lda #'a'
|
|
sta SCREEN
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// asm { jmp!a+ !a: }
|
|
// ASMREL labels
|
|
jmp !a+
|
|
!a:
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [7] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __bend_from___b1:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __b1:
|
|
Removing instruction __bend:
|
|
Removing instruction __b2:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Skipping double jump to !a+ in bne __b1
|
|
Succesful ASM optimization Pass5DoubleJumpElimination
|
|
Adding RTS to root block
|
|
Succesful ASM optimization Pass5AddMainRts
|
|
Removing instruction __b1:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(byte) A::b
|
|
(struct A) aa
|
|
(byte) aa_b
|
|
(byte) aa_b#0 aa_b zp[1]:2 20.0
|
|
(void()) main()
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@return
|
|
(const byte*) main::SCREEN = (byte*) 1024
|
|
(const struct A*) main::a = (struct A*)&(byte) aa_b#0
|
|
|
|
zp[1]:2 [ aa_b#0 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 39
|
|
|
|
// File Comments
|
|
// Test parsing a negated struct reference - which causes problems with the ASMREL labels !a++
|
|
// https://gitlab.com/camelot/kickc/issues/266
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(__bbegin)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.label aa_b = 2
|
|
// @begin
|
|
__bbegin:
|
|
// aa = { 1 }
|
|
// [0] (byte) aa_b#0 ← (byte) 1 -- vbuz1=vbuc1
|
|
lda #1
|
|
sta.z aa_b
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
// @1
|
|
// [2] call main
|
|
jsr main
|
|
rts
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
// @end
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
.label a = aa_b
|
|
// if(!a->b)
|
|
// [4] if((byte) 0!=*((byte*)(const struct A*) main::a)) goto main::@1 -- vbuc1_neq__deref_pbuc2_then_la1
|
|
lda #0
|
|
cmp.z a
|
|
bne !a+
|
|
// main::@2
|
|
// *SCREEN = 'a'
|
|
// [5] *((const byte*) main::SCREEN) ← (byte) 'a' -- _deref_pbuc1=vbuc2
|
|
lda #'a'
|
|
sta SCREEN
|
|
// main::@1
|
|
// asm
|
|
// asm { jmp!a+ !a: }
|
|
// ASMREL labels
|
|
jmp !a+
|
|
!a:
|
|
// main::@return
|
|
// }
|
|
// [7] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|