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Added test of __notconst directive.

This commit is contained in:
jespergravgaard 2019-10-20 20:15:01 +02:00
parent a34abcbdff
commit 79e6c92dd1
7 changed files with 469 additions and 0 deletions

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@ -42,6 +42,7 @@ public class Variable extends SymbolVariable {
this.setDeclaredAlignment(phiMaster.getDeclaredAlignment());
this.setDeclaredAsRegister(phiMaster.isDeclaredAsRegister());
this.setDeclaredNotRegister(phiMaster.isDeclaredAsNotRegister());
this.setConstantDeclaration(phiMaster.getConstantDeclaration());
this.setDeclaredRegister(phiMaster.getDeclaredRegister());
this.setDeclaredVolatile(phiMaster.isDeclaredVolatile());
this.setDeclaredExport(phiMaster.isDeclaredExport());

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@ -37,6 +37,11 @@ public class TestPrograms {
public TestPrograms() {
}
@Test
public void testDeclaredNotConstVar8() throws IOException, URISyntaxException {
compileAndCompare("declared-notconst-var-0");
}
@Test
public void testDeclaredSsaVar8() throws IOException, URISyntaxException {
compileAndCompare("declared-ssa-var-0");

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@ -0,0 +1,11 @@
// Tests declaring a (constant) variable as __notconst
char __notconst size = 40;
const char* SCREEN = 0x0400;
void main() {
for( char i=0;i<size;i++ ) {
SCREEN[i] = '*';
}
}

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@ -0,0 +1,23 @@
// Tests declaring a (constant) variable as __notconst
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
.label SCREEN = $400
.label size = 2
__bbegin:
lda #$28
sta.z size
jsr main
rts
main: {
ldx #0
__b1:
cpx.z size
bcc __b2
rts
__b2:
lda #'*'
sta SCREEN,x
inx
jmp __b1
}

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@ -0,0 +1,25 @@
@begin: scope:[] from
[0] (byte) size#0 ← (byte) $28
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] phi()
to:main::@1
main::@1: scope:[main] from main main::@2
[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
[6] if((byte) main::i#2<(byte) size#0) goto main::@2
to:main::@return
main::@return: scope:[main] from main::@1
[7] return
to:@return
main::@2: scope:[main] from main::@1
[8] *((const byte*) SCREEN + (byte) main::i#2) ← (byte) '*'
[9] (byte) main::i#1 ← ++ (byte) main::i#2
to:main::@1

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@ -0,0 +1,388 @@
Culled Empty Block (label) main::@4
Culled Empty Block (label) main::@3
Culled Empty Block (label) main::@5
Culled Empty Block (label) main::@6
CONTROL FLOW GRAPH SSA
@begin: scope:[] from
(byte) size#0 ← (number) $28
(byte*) SCREEN ← ((byte*)) (number) $400
to:@1
(void()) main()
main: scope:[main] from @1
(byte) size#2 ← phi( @1/(byte) size#4 )
(byte) main::i#0 ← (number) 0
to:main::@1
main::@1: scope:[main] from main main::@2
(byte) size#1 ← phi( main/(byte) size#2 main::@2/(byte) size#3 )
(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@2/(byte) main::i#1 )
(bool~) main::$0 ← (byte) main::i#2 < (byte) size#1
if((bool~) main::$0) goto main::@2
to:main::@return
main::@2: scope:[main] from main::@1
(byte) size#3 ← phi( main::@1/(byte) size#1 )
(byte) main::i#3 ← phi( main::@1/(byte) main::i#2 )
*((byte*) SCREEN + (byte) main::i#3) ← (byte) '*'
(byte) main::i#1 ← ++ (byte) main::i#3
to:main::@1
main::@return: scope:[main] from main::@1
return
to:@return
@1: scope:[] from @begin
(byte) size#4 ← phi( @begin/(byte) size#0 )
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*) SCREEN
(void()) main()
(bool~) main::$0
(label) main::@1
(label) main::@2
(label) main::@return
(byte) main::i
(byte) main::i#0
(byte) main::i#1
(byte) main::i#2
(byte) main::i#3
(byte) size
(byte) size#0
(byte) size#1
(byte) size#2
(byte) size#3
(byte) size#4
Adding number conversion cast (unumber) $28 in (byte) size#0 ← (number) $28
Adding number conversion cast (unumber) 0 in (byte) main::i#0 ← (number) 0
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast (byte) size#0 ← (unumber)(number) $28
Inlining cast (byte*) SCREEN ← (byte*)(number) $400
Inlining cast (byte) main::i#0 ← (unumber)(number) 0
Successful SSA optimization Pass2InlineCast
Simplifying constant integer cast $28
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 0
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) $28
Finalized unsigned number type (byte) 0
Successful SSA optimization PassNFinalizeNumberTypeConversions
Alias (byte) main::i#2 = (byte) main::i#3
Alias (byte) size#1 = (byte) size#3
Alias (byte) size#0 = (byte) size#4
Successful SSA optimization Pass2AliasElimination
Identical Phi Values (byte) size#2 (byte) size#0
Identical Phi Values (byte) size#1 (byte) size#2
Successful SSA optimization Pass2IdenticalPhiElimination
Simple Condition (bool~) main::$0 [6] if((byte) main::i#2<(byte) size#0) goto main::@2
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant (const byte*) SCREEN = (byte*) 1024
Constant (const byte) main::i#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Inlining constant with var siblings (const byte) main::i#0
Constant inlined main::i#0 = (byte) 0
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
Adding NOP phi() at start of main
CALL GRAPH
Calls in [] to main:2
Created 1 initial phi equivalence classes
Coalesced [11] main::i#4 ← main::i#1
Coalesced down to 1 phi equivalence classes
Culled Empty Block (label) @2
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
FINAL CONTROL FLOW GRAPH
@begin: scope:[] from
[0] (byte) size#0 ← (byte) $28
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] phi()
to:main::@1
main::@1: scope:[main] from main main::@2
[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
[6] if((byte) main::i#2<(byte) size#0) goto main::@2
to:main::@return
main::@return: scope:[main] from main::@1
[7] return
to:@return
main::@2: scope:[main] from main::@1
[8] *((const byte*) SCREEN + (byte) main::i#2) ← (byte) '*'
[9] (byte) main::i#1 ← ++ (byte) main::i#2
to:main::@1
VARIABLE REGISTER WEIGHTS
(void()) main()
(byte) main::i
(byte) main::i#1 22.0
(byte) main::i#2 14.666666666666666
(byte) size
(byte) size#0 1.8571428571428572
Initial phi equivalence classes
[ main::i#2 main::i#1 ]
Added variable size#0 to zero page equivalence class [ size#0 ]
Complete equivalence classes
[ main::i#2 main::i#1 ]
[ size#0 ]
Allocated zp[1]:2 [ main::i#2 main::i#1 ]
Allocated zp[1]:3 [ size#0 ]
INITIAL ASM
Target platform is c64basic / MOS6502X
// File Comments
// Tests declaring a (constant) variable as __notconst
// Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
.label size = 3
// @begin
__bbegin:
// [0] (byte) size#0 ← (byte) $28 -- vbuz1=vbuc1
lda #$28
sta.z size
// [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 i = 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] -- vbuz1=vbuc1
lda #0
sta.z i
jmp __b1
// main::@1
__b1:
// [6] if((byte) main::i#2<(byte) size#0) goto main::@2 -- vbuz1_lt_vbuz2_then_la1
lda.z i
cmp.z size
bcc __b2
jmp __breturn
// main::@return
__breturn:
// [7] return
rts
// main::@2
__b2:
// [8] *((const byte*) SCREEN + (byte) main::i#2) ← (byte) '*' -- pbuc1_derefidx_vbuz1=vbuc2
lda #'*'
ldy.z i
sta SCREEN,y
// [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
inc.z i
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
__b1_from___b2:
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#0] -- register_copy
jmp __b1
}
// File Data
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [8] *((const byte*) SCREEN + (byte) main::i#2) ← (byte) '*' [ size#0 main::i#2 ] ( main:2 [ size#0 main::i#2 ] ) always clobbers reg byte a
Removing always clobbered register reg byte a as potential for zp[1]:3 [ size#0 ]
Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
Statement [8] *((const byte*) SCREEN + (byte) main::i#2) ← (byte) '*' [ size#0 main::i#2 ] ( main:2 [ size#0 main::i#2 ] ) always clobbers reg byte a
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
Potential registers zp[1]:3 [ size#0 ] : zp[1]:3 , reg byte x , reg byte y ,
REGISTER UPLIFT SCOPES
Uplift Scope [main] 36.67: zp[1]:2 [ main::i#2 main::i#1 ]
Uplift Scope [] 1.86: zp[1]:3 [ size#0 ]
Uplifting [main] best 278 combination reg byte x [ main::i#2 main::i#1 ]
Uplifting [] best 278 combination zp[1]:3 [ size#0 ]
Attempting to uplift remaining variables inzp[1]:3 [ size#0 ]
Uplifting [] best 278 combination zp[1]:3 [ size#0 ]
Allocated (was zp[1]:3) zp[1]:2 [ size#0 ]
ASSEMBLER BEFORE OPTIMIZATION
// File Comments
// Tests declaring a (constant) variable as __notconst
// Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
.label size = 2
// @begin
__bbegin:
// [0] (byte) size#0 ← (byte) $28 -- vbuz1=vbuc1
lda #$28
sta.z size
// [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] 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
jmp __b1
// main::@1
__b1:
// [6] if((byte) main::i#2<(byte) size#0) goto main::@2 -- vbuxx_lt_vbuz1_then_la1
cpx.z size
bcc __b2
jmp __breturn
// main::@return
__breturn:
// [7] return
rts
// main::@2
__b2:
// [8] *((const byte*) SCREEN + (byte) main::i#2) ← (byte) '*' -- pbuc1_derefidx_vbuxx=vbuc2
lda #'*'
sta SCREEN,x
// [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
inx
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
__b1_from___b2:
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#0] -- register_copy
jmp __b1
}
// File Data
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __bend
Removing instruction jmp __b1
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction __b1_from___bbegin:
Removing instruction main_from___b1:
Removing instruction __bend_from___b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __b1:
Removing instruction __bend:
Removing instruction __b1_from_main:
Removing instruction __breturn:
Removing instruction __b1_from___b2:
Succesful ASM optimization Pass5UnusedLabelElimination
Adding RTS to root block
Succesful ASM optimization Pass5AddMainRts
FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(const byte*) SCREEN = (byte*) 1024
(void()) main()
(label) main::@1
(label) main::@2
(label) main::@return
(byte) main::i
(byte) main::i#1 reg byte x 22.0
(byte) main::i#2 reg byte x 14.666666666666666
(byte) size
(byte) size#0 size zp[1]:2 1.8571428571428572
reg byte x [ main::i#2 main::i#1 ]
zp[1]:2 [ size#0 ]
FINAL ASSEMBLER
Score: 218
// File Comments
// Tests declaring a (constant) variable as __notconst
// Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
.label size = 2
// @begin
__bbegin:
// size = 40
// [0] (byte) size#0 ← (byte) $28 -- vbuz1=vbuc1
lda #$28
sta.z size
// [1] phi from @begin to @1 [phi:@begin->@1]
// @1
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
jsr main
rts
// [3] phi from @1 to @end [phi:@1->@end]
// @end
// main
main: {
// [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
// main::@1
__b1:
// for( char i=0;i<size;i++ )
// [6] if((byte) main::i#2<(byte) size#0) goto main::@2 -- vbuxx_lt_vbuz1_then_la1
cpx.z size
bcc __b2
// main::@return
// }
// [7] return
rts
// main::@2
__b2:
// SCREEN[i] = '*'
// [8] *((const byte*) SCREEN + (byte) main::i#2) ← (byte) '*' -- pbuc1_derefidx_vbuxx=vbuc2
lda #'*'
sta SCREEN,x
// for( char i=0;i<size;i++ )
// [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
inx
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#0] -- register_copy
jmp __b1
}
// File Data

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@ -0,0 +1,16 @@
(label) @1
(label) @begin
(label) @end
(const byte*) SCREEN = (byte*) 1024
(void()) main()
(label) main::@1
(label) main::@2
(label) main::@return
(byte) main::i
(byte) main::i#1 reg byte x 22.0
(byte) main::i#2 reg byte x 14.666666666666666
(byte) size
(byte) size#0 size zp[1]:2 1.8571428571428572
reg byte x [ main::i#2 main::i#1 ]
zp[1]:2 [ size#0 ]