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removing needless copy into ret register

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This commit is contained in:
Jakub Doka 2024-11-16 10:16:35 +01:00
parent ec4499e519
commit baa70d3f12
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GPG key ID: C6E9A89936B8C143
16 changed files with 21 additions and 42 deletions
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8
lang/src/son/hbvm/my_regalloc.rs
View file

@ -238,11 +238,11 @@ impl HbvmBackend {
}; };
} }
if node.ty.loc(tys) == Loc::Stack if node.ty.loc(tys) == Loc::Stack {
&& let Some(PLoc::Reg(r, ..) | PLoc::WideReg(r, ..) | PLoc::Ref(r, ..)) =
ret
{
alloc_buf.push(atr(*node.inputs.last().unwrap())); alloc_buf.push(atr(*node.inputs.last().unwrap()));
}
if let Some(PLoc::Ref(r, ..)) = ret {
self.emit(instrs::cp(r, *alloc_buf.last().unwrap())) self.emit(instrs::cp(r, *alloc_buf.last().unwrap()))
} }
} }

4
lang/tests/son_tests_different_function_destinations.txt
View file

@ -2,7 +2,6 @@ main:
ADDI64 r254, r254, -160d ADDI64 r254, r254, -160d
ST r31, r254, 80a, 80h ST r31, r254, 80a, 80h
LRA r32, r0, :glob_stru LRA r32, r0, :glob_stru
CP r1, r32
JAL r31, r0, :new_stru JAL r31, r0, :new_stru
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
CP r33, r0 CP r33, r0
@ -65,7 +64,6 @@ main:
JMP :7 JMP :7
3: MULI64 r39, r32, 16d 3: MULI64 r39, r32, 16d
ADD64 r39, r37, r39 ADD64 r39, r37, r39
CP r1, r39
JAL r31, r0, :new_stru JAL r31, r0, :new_stru
ST r1, r39, 0a, 16h ST r1, r39, 0a, 16h
ADD64 r32, r32, r35 ADD64 r32, r32, r35
@ -83,6 +81,6 @@ new_stru:
LD r32, r254, 16a, 8h LD r32, r254, 16a, 8h
ADDI64 r254, r254, 24d ADDI64 r254, r254, 24d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 797 code size: 791
ret: 0 ret: 0
status: Ok(()) status: Ok(())

5
lang/tests/son_tests_null_check_in_the_loop.txt
View file

@ -2,8 +2,7 @@ main:
ADDI64 r254, r254, -38d ADDI64 r254, r254, -38d
ST r31, r254, 6a, 32h ST r31, r254, 6a, 32h
ADDI64 r32, r254, 0d ADDI64 r32, r254, 0d
2: CP r1, r32 2: JAL r31, r0, :return_fn
JAL r31, r0, :return_fn
ST r1, r32, 0a, 6h ST r1, r32, 0a, 6h
LD r33, r254, 0a, 1h LD r33, r254, 0a, 1h
ANDI r33, r33, 255d ANDI r33, r33, 255d
@ -30,6 +29,6 @@ return_fn:
LD r32, r254, 6a, 16h LD r32, r254, 6a, 16h
ADDI64 r254, r254, 22d ADDI64 r254, r254, 22d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 317 code size: 314
ret: 1 ret: 1
status: Ok(()) status: Ok(())

4
lang/tests/son_tests_null_check_returning_small_global.txt
View file

@ -4,7 +4,6 @@ foo:
ADDI64 r32, r254, 64d ADDI64 r32, r254, 64d
LRA r33, r0, :some_file LRA r33, r0, :some_file
CP r3, r33 CP r3, r33
CP r1, r32
JAL r31, r0, :get JAL r31, r0, :get
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
LD r33, r254, 64a, 1h LD r33, r254, 64a, 1h
@ -63,7 +62,6 @@ main:
ADDI64 r254, r254, -48d ADDI64 r254, r254, -48d
ST r31, r254, 16a, 32h ST r31, r254, 16a, 32h
ADDI64 r32, r254, 0d ADDI64 r32, r254, 0d
CP r1, r32
JAL r31, r0, :foo JAL r31, r0, :foo
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
LD r33, r254, 0a, 1h LD r33, r254, 0a, 1h
@ -77,6 +75,6 @@ main:
1: LD r31, r254, 16a, 32h 1: LD r31, r254, 16a, 32h
ADDI64 r254, r254, 48d ADDI64 r254, r254, 48d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 771 code size: 765
ret: 0 ret: 0
status: Ok(()) status: Ok(())

3
lang/tests/son_tests_nullable_structure.txt
View file

@ -7,7 +7,6 @@ main:
CP r1, r33 CP r1, r33
JAL r31, r0, :returner_bn JAL r31, r0, :returner_bn
ADDI64 r34, r254, 0d ADDI64 r34, r254, 0d
CP r1, r34
JAL r31, r0, :returner_cn JAL r31, r0, :returner_cn
ST r1, r34, 0a, 2h ST r1, r34, 0a, 2h
LD r33, r254, 2a, 1h LD r33, r254, 2a, 1h
@ -62,6 +61,6 @@ returner_fn:
LD r32, r254, 0a, 8h LD r32, r254, 0a, 8h
ADDI64 r254, r254, 8d ADDI64 r254, r254, 8d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 566 code size: 563
ret: 1 ret: 1
status: Ok(()) status: Ok(())

4
lang/tests/son_tests_nullable_types.txt
View file

@ -55,7 +55,6 @@ main:
CP r1, r32 CP r1, r32
JMP :3 JMP :3
9: ADDI64 r33, r254, 40d 9: ADDI64 r33, r254, 40d
CP r1, r33
JAL r31, r0, :new_foo JAL r31, r0, :new_foo
ST r1, r33, 0a, 16h ST r1, r33, 0a, 16h
LD r37, r254, 40a, 8h LD r37, r254, 40a, 8h
@ -68,7 +67,6 @@ main:
LD r2, r33, 0a, 16h LD r2, r33, 0a, 16h
JAL r31, r0, :use_foo JAL r31, r0, :use_foo
ADDI64 r33, r254, 0d ADDI64 r33, r254, 0d
CP r1, r33
JAL r31, r0, :no_foo JAL r31, r0, :no_foo
ST r1, r33, 0a, 16h ST r1, r33, 0a, 16h
JAL r31, r0, :decide JAL r31, r0, :decide
@ -150,6 +148,6 @@ use_foo:
CP r0, r4 CP r0, r4
ADDI64 r254, r254, 16d ADDI64 r254, r254, 16d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 1252 code size: 1246
ret: 0 ret: 0
status: Ok(()) status: Ok(())

5
lang/tests/son_tests_optional_from_eca.txt
View file

@ -6,7 +6,6 @@ main:
CP r4, r0 CP r4, r0
CP r5, r0 CP r5, r0
CP r6, r0 CP r6, r0
CP r1, r13
ECA ECA
ST r1, r13, 0a, 16h ST r1, r13, 0a, 16h
LD r14, r254, 0a, 1h LD r14, r254, 0a, 1h
@ -19,6 +18,6 @@ main:
ADDI64 r254, r254, 32d ADDI64 r254, r254, 32d
JALA r0, r31, 0a JALA r0, r31, 0a
unknown ecall: 0 unknown ecall: 0
code size: 153 code size: 150
ret: 0 ret: 0
status: Ok(()) status: Err(Unreachable)

3
lang/tests/son_tests_overwrite_aliasing_overoptimization.txt
View file

@ -7,7 +7,6 @@ main:
LI64 r34, 4d LI64 r34, 4d
ST r34, r254, 0a, 8h ST r34, r254, 0a, 8h
ST r33, r254, 8a, 8h ST r33, r254, 8a, 8h
CP r1, r32
JAL r31, r0, :opaque JAL r31, r0, :opaque
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
LD r34, r254, 8a, 8h LD r34, r254, 8a, 8h
@ -31,6 +30,6 @@ opaque:
LD r32, r254, 16a, 16h LD r32, r254, 16a, 16h
ADDI64 r254, r254, 32d ADDI64 r254, r254, 32d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 339 code size: 336
ret: 0 ret: 0
status: Ok(()) status: Ok(())

3
lang/tests/son_tests_returning_global_struct.txt
View file

@ -2,7 +2,6 @@ main:
ADDI64 r254, r254, -60d ADDI64 r254, r254, -60d
ST r31, r254, 4a, 56h ST r31, r254, 4a, 56h
ADDI64 r32, r254, 0d ADDI64 r32, r254, 0d
CP r1, r32
JAL r31, r0, :random_color JAL r31, r0, :random_color
ST r1, r32, 0a, 4h ST r1, r32, 0a, 4h
LD r34, r254, 0a, 1h LD r34, r254, 0a, 1h
@ -28,6 +27,6 @@ random_color:
LD r32, r254, 0a, 8h LD r32, r254, 0a, 8h
ADDI64 r254, r254, 8d ADDI64 r254, r254, 8d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 295 code size: 292
ret: 1020 ret: 1020
status: Ok(()) status: Ok(())

3
lang/tests/son_tests_returning_optional_issues.txt
View file

@ -15,7 +15,6 @@ main:
ADDI64 r254, r254, -48d ADDI64 r254, r254, -48d
ST r31, r254, 16a, 32h ST r31, r254, 16a, 32h
ADDI64 r32, r254, 0d ADDI64 r32, r254, 0d
CP r1, r32
JAL r31, r0, :get_format JAL r31, r0, :get_format
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
LD r33, r254, 0a, 1h LD r33, r254, 0a, 1h
@ -29,6 +28,6 @@ main:
1: LD r31, r254, 16a, 32h 1: LD r31, r254, 16a, 32h
ADDI64 r254, r254, 48d ADDI64 r254, r254, 48d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 304 code size: 301
ret: 0 ret: 0
status: Ok(()) status: Ok(())

3
lang/tests/son_tests_scheduling_block_did_dirty.txt
View file

@ -17,7 +17,6 @@ main:
ST r31, r254, 16a, 24h ST r31, r254, 16a, 24h
ADDI64 r32, r254, 0d ADDI64 r32, r254, 0d
CP r3, r0 CP r3, r0
CP r1, r32
JAL r31, r0, :constructor JAL r31, r0, :constructor
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
LD r31, r254, 16a, 24h LD r31, r254, 16a, 24h
@ -35,6 +34,6 @@ opaque:
LD r32, r254, 0a, 16h LD r32, r254, 0a, 16h
ADDI64 r254, r254, 16d ADDI64 r254, r254, 16d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 330 code size: 327
ret: 255 ret: 255
status: Ok(()) status: Ok(())

3
lang/tests/son_tests_small_struct_bitcast.txt
View file

@ -5,7 +5,6 @@ main:
ADDI64 r33, r254, 0d ADDI64 r33, r254, 0d
LD r32, r32, 0a, 4h LD r32, r32, 0a, 4h
CP r2, r32 CP r2, r32
CP r1, r33
JAL r31, r0, :u32_to_color JAL r31, r0, :u32_to_color
ST r1, r33, 0a, 4h ST r1, r33, 0a, 4h
LD r32, r254, 0a, 1h LD r32, r254, 0a, 1h
@ -35,6 +34,6 @@ u32_to_u32:
LD r32, r254, 0a, 8h LD r32, r254, 0a, 8h
ADDI64 r254, r254, 8d ADDI64 r254, r254, 8d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 332 code size: 329
ret: 255 ret: 255
status: Ok(()) status: Ok(())

3
lang/tests/son_tests_storing_into_nullable_struct.txt
View file

@ -28,7 +28,6 @@ main:
JAL r31, r0, :do_stuff JAL r31, r0, :do_stuff
CP r32, r1 CP r32, r1
ADDI64 r33, r254, 0d ADDI64 r33, r254, 0d
CP r1, r33
JAL r31, r0, :optional JAL r31, r0, :optional
ST r1, r33, 0a, 16h ST r1, r33, 0a, 16h
LD r33, r254, 0a, 1h LD r33, r254, 0a, 1h
@ -76,6 +75,6 @@ optionala:
LD r32, r254, 48a, 32h LD r32, r254, 48a, 32h
ADDI64 r254, r254, 80d ADDI64 r254, r254, 80d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 673 code size: 670
ret: 100 ret: 100
status: Ok(()) status: Ok(())

5
lang/tests/son_tests_struct_return_from_module_function.txt
View file

@ -15,15 +15,12 @@ main:
ADDI64 r254, r254, -96d ADDI64 r254, r254, -96d
ST r31, r254, 48a, 48h ST r31, r254, 48a, 48h
ADDI64 r32, r254, 32d ADDI64 r32, r254, 32d
CP r1, r32
JAL r31, r0, :foo JAL r31, r0, :foo
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
ADDI64 r33, r254, 16d ADDI64 r33, r254, 16d
CP r1, r33
JAL r31, r0, :foo JAL r31, r0, :foo
ST r1, r33, 0a, 16h ST r1, r33, 0a, 16h
ADDI64 r34, r254, 0d ADDI64 r34, r254, 0d
CP r1, r34
JAL r31, r0, :foo JAL r31, r0, :foo
ST r1, r34, 0a, 16h ST r1, r34, 0a, 16h
LD r33, r254, 24a, 4h LD r33, r254, 24a, 4h
@ -39,6 +36,6 @@ main:
LD r31, r254, 48a, 48h LD r31, r254, 48a, 48h
ADDI64 r254, r254, 96d ADDI64 r254, r254, 96d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 393 code size: 384
ret: 0 ret: 0
status: Ok(()) status: Ok(())

3
lang/tests/son_tests_structs.txt
View file

@ -7,7 +7,6 @@ main:
LI64 r32, 3d LI64 r32, 3d
ST r32, r254, 24a, 8h ST r32, r254, 24a, 8h
ADDI64 r34, r254, 0d ADDI64 r34, r254, 0d
CP r1, r34
LD r3, r33, 0a, 16h LD r3, r33, 0a, 16h
JAL r31, r0, :odher_pass JAL r31, r0, :odher_pass
ST r1, r34, 0a, 16h ST r1, r34, 0a, 16h
@ -41,6 +40,6 @@ pass:
LD r32, r254, 0a, 8h LD r32, r254, 0a, 8h
ADDI64 r254, r254, 8d ADDI64 r254, r254, 8d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 390 code size: 387
ret: 4 ret: 4
status: Ok(()) status: Ok(())

4
lang/tests/son_tests_wide_ret.txt
View file

@ -4,7 +4,6 @@ main:
ADDI64 r32, r254, 0d ADDI64 r32, r254, 0d
CP r3, r0 CP r3, r0
CP r4, r0 CP r4, r0
CP r1, r32
JAL r31, r0, :maina JAL r31, r0, :maina
ST r1, r32, 0a, 16h ST r1, r32, 0a, 16h
LD r34, r254, 12a, 1h LD r34, r254, 12a, 1h
@ -21,7 +20,6 @@ maina:
CP r0, r3 CP r0, r3
CP r0, r4 CP r0, r4
ADDI64 r32, r254, 16d ADDI64 r32, r254, 16d
CP r1, r32
JAL r31, r0, :small_struct JAL r31, r0, :small_struct
ST r1, r32, 0a, 4h ST r1, r32, 0a, 4h
ADDI64 r33, r254, 0d ADDI64 r33, r254, 0d
@ -57,6 +55,6 @@ small_struct:
LD r32, r254, 4a, 8h LD r32, r254, 4a, 8h
ADDI64 r254, r254, 12d ADDI64 r254, r254, 12d
JALA r0, r31, 0a JALA r0, r31, 0a
code size: 597 code size: 591
ret: 2 ret: 2
status: Ok(()) status: Ok(())