kickc/src/test/ref/inline-asm.log

CONTROL FLOW GRAPH SSA
@begin: scope:[]  from
  to:@1
main: scope:[main]  from @1
  asm { lda#'a' ldx#$ff !: sta$0400,x sta$0500,x sta$0600,x sta$0700,x dex bne!-  }
  to:main::@return
main::@return: scope:[main]  from main
  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
(void()) main()
(label) main::@return

Adding NOP phi() at start of @begin
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 @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end

FINAL CONTROL FLOW GRAPH
@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()
main: scope:[main]  from @1
  asm { lda#'a' ldx#$ff !: sta$0400,x sta$0500,x sta$0600,x sta$0700,x dex bne!-  }
  to:main::@return
main::@return: scope:[main]  from main
  [5] return 
  to:@return


VARIABLE REGISTER WEIGHTS
(void()) main()

Initial phi equivalence classes
Complete equivalence classes

INITIAL ASM
//SEG0 File Comments
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
//SEG2 Global Constants & labels
//SEG3 @begin
bbegin:
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
  jmp b1
//SEG5 @1
b1:
//SEG6 [2] call main 
  jsr main
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
  jmp bend
//SEG8 @end
bend:
//SEG9 main
main: {
  //SEG10 asm { lda#'a' ldx#$ff !: sta$0400,x sta$0500,x sta$0600,x sta$0700,x dex bne!-  }
    lda #'a'
    ldx #$ff
  !:
    sta $400,x
    sta $500,x
    sta $600,x
    sta $700,x
    dex
    bne !-
    jmp breturn
  //SEG11 main::@return
  breturn:
  //SEG12 [5] return 
    rts
}

REGISTER UPLIFT POTENTIAL REGISTERS
Statement asm { lda#'a' ldx#$ff !: sta$0400,x sta$0500,x sta$0600,x sta$0700,x dex bne!-  } always clobbers reg byte a reg byte x 

REGISTER UPLIFT SCOPES
Uplift Scope [main] 
Uplift Scope [] 

Uplifting [main] best 49 combination 
Uplifting [] best 49 combination 

ASSEMBLER BEFORE OPTIMIZATION
//SEG0 File Comments
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
//SEG2 Global Constants & labels
//SEG3 @begin
bbegin:
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
  jmp b1
//SEG5 @1
b1:
//SEG6 [2] call main 
  jsr main
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
  jmp bend
//SEG8 @end
bend:
//SEG9 main
main: {
  //SEG10 asm { lda#'a' ldx#$ff !: sta$0400,x sta$0500,x sta$0600,x sta$0700,x dex bne!-  }
    lda #'a'
    ldx #$ff
  !:
    sta $400,x
    sta $500,x
    sta $600,x
    sta $700,x
    dex
    bne !-
    jmp breturn
  //SEG11 main::@return
  breturn:
  //SEG12 [5] return 
    rts
}

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp b1
Removing instruction jmp bend
Removing instruction jmp breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction b1_from_bbegin:
Removing instruction b1:
Removing instruction bend_from_b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction bend:
Removing instruction breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction bbegin:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(void()) main()
(label) main::@return



FINAL ASSEMBLER
Score: 34

//SEG0 File Comments
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
//SEG2 Global Constants & labels
//SEG3 @begin
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
//SEG5 @1
//SEG6 [2] call main 
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
//SEG8 @end
//SEG9 main
main: {
  //SEG10 asm { lda#'a' ldx#$ff !: sta$0400,x sta$0500,x sta$0600,x sta$0700,x dex bne!-  }
    lda #'a'
    ldx #$ff
  !:
    sta $400,x
    sta $500,x
    sta $600,x
    sta $700,x
    dex
    bne !-
  //SEG11 main::@return
  //SEG12 [5] return 
    rts
}