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CertiCompil
CompCert-KVX
Commits
63ddeebc
Commit
63ddeebc
authored
Mar 26, 2021
by
Léo Gourdin
Browse files
Compiler options to manage expansions
parent
95205e72
Changes
3
Hide whitespace changes
Inline
Side-by-side
driver/Clflags.ml
View file @
63ddeebc
...
...
@@ -106,7 +106,7 @@ let option_div_i32 = ref "stsud"
let
option_div_i64
=
ref
"stsud"
let
option_fcoalesce_mem
=
ref
true
let
option_fexpanse_rtlcond
=
ref
true
let
option_fexpanse_
fpconst
=
ref
true
let
option_fexpanse_
others
=
ref
true
let
option_fforward_moves
=
ref
false
let
option_fmove_loop_invariants
=
ref
false
let
option_fnontrap_loads
=
ref
true
...
...
driver/Driver.ml
View file @
63ddeebc
...
...
@@ -445,7 +445,7 @@ let cmdline_actions =
@
f_opt
"nontrap-loads"
option_fnontrap_loads
@
f_opt
"coalesce-mem"
option_fcoalesce_mem
@
f_opt
"expanse-rtlcond"
option_fexpanse_rtlcond
@
f_opt
"expanse-
fpconst
"
option_fexpanse_
fpconst
@
f_opt
"expanse-
others
"
option_fexpanse_
others
@
f_opt
"all-loads-nontrap"
option_all_loads_nontrap
@
f_opt
"forward-moves"
option_fforward_moves
(* Code generation options *)
...
...
riscV/ExpansionOracle.ml
View file @
63ddeebc
...
...
@@ -163,14 +163,14 @@ let opimm64 a1 dest n succ k op opimm map_consts =
let
ht
=
load_hilo64
r
hi
lo
(
n2pi
()
)
map_consts
true
in
let
r'
=
unzip_head_tuple
ht
r
in
build_full_ilist
op
[
a1
;
r'
]
dest
succ
(
fst
ht
)
k
map_consts
|
Imm64_large
imm
->
(
|
Imm64_large
imm
->
let
r
=
r2pi
()
in
let
op1
=
OEloadli
imm
in
let
inode
=
n2pi
()
in
let
sv
=
find_or_addnmove
op1
[]
r
inode
map_consts
true
in
let
ht
=
build_head_tuple
[]
sv
in
let
r'
=
unzip_head_tuple
ht
r
in
build_full_ilist
op
[
a1
;
r'
]
dest
succ
(
fst
ht
)
k
map_consts
)
build_full_ilist
op
[
a1
;
r'
]
dest
succ
(
fst
ht
)
k
map_consts
let
addimm32
a1
dest
n
succ
k
map_consts
=
opimm32
a1
dest
n
succ
k
Oadd
Addiw
map_consts
...
...
@@ -671,13 +671,15 @@ let expanse (sb : superblock) code pm =
was_branch
:=
true
;
was_exp
:=
true
|
_
->
()
);
(
if
!
Clflags
.
option_fexpanse_
fpconst
&&
not
!
was_exp
then
(
if
!
Clflags
.
option_fexpanse_
others
&&
not
!
was_exp
then
match
inst
with
(* Expansion of fp constants *)
|
Iop
(
Ofloatconst
f
,
nil
,
dest
,
succ
)
->
debug
"Iop/Ofloatconst
\n
"
;
let
r
=
r2pi
()
in
let
ht
=
loadimm64
r
(
Floats
.
Float
.
to_bits
f
)
(
n2pi
()
)
map_consts
true
in
let
ht
=
loadimm64
r
(
Floats
.
Float
.
to_bits
f
)
(
n2pi
()
)
map_consts
true
in
let
r'
=
unzip_head_tuple
ht
r
in
exp
:=
build_full_ilist
Ofloat_of_bits
[
r'
]
dest
succ
(
fst
ht
)
[]
...
...
@@ -694,180 +696,175 @@ let expanse (sb : superblock) code pm =
build_full_ilist
Osingle_of_bits
[
r'
]
dest
succ
(
fst
ht
)
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Ointconst
n
,
nil
,
dest
,
succ
)
->
debug
"Iop/Ointconst
\n
"
;
let
ht
=
loadimm32
dest
n
succ
map_consts
false
in
exp
:=
unzip_head_tuple_move
ht
dest
succ
;
was_exp
:=
true
|
Iop
(
Olongconst
n
,
nil
,
dest
,
succ
)
->
debug
"Iop/Olongconst
\n
"
;
let
ht
=
loadimm64
dest
n
succ
map_consts
false
in
exp
:=
unzip_head_tuple_move
ht
dest
succ
;
was_exp
:=
true
|
Iop
(
Oaddimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oaddimm
\n
"
;
exp
:=
addimm32
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oaddlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oaddlimm
\n
"
;
exp
:=
addimm64
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oandimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oandimm
\n
"
;
exp
:=
andimm32
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oandlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oandlimm
\n
"
;
exp
:=
andimm64
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oorimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oorimm
\n
"
;
exp
:=
orimm32
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oorlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oorlimm
\n
"
;
exp
:=
orimm64
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Ocast8signed
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/cast8signed"
;
let
op
=
Oshlimm
(
Int
.
repr
(
Z
.
of_sint
24
))
in
let
r
=
r2pi
()
in
let
sv
=
find_or_addnmove
op
[
a1
]
r
(
n2pi
()
)
map_consts
true
in
let
ht
=
build_head_tuple
[]
sv
in
let
r'
=
unzip_head_tuple
ht
r
in
exp
:=
build_full_ilist
(
Oshrimm
(
Int
.
repr
(
Z
.
of_sint
24
)))
[
r'
]
dest
succ
(
fst
ht
)
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Ocast16signed
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/cast8signed"
;
let
op
=
Oshlimm
(
Int
.
repr
(
Z
.
of_sint
16
))
in
let
r
=
r2pi
()
in
let
sv
=
find_or_addnmove
op
[
a1
]
r
(
n2pi
()
)
map_consts
true
in
let
ht
=
build_head_tuple
[]
sv
in
let
r'
=
unzip_head_tuple
ht
r
in
exp
:=
build_full_ilist
(
Oshrimm
(
Int
.
repr
(
Z
.
of_sint
16
)))
[
r'
]
dest
succ
(
fst
ht
)
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Ocast32unsigned
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Ocast32unsigned"
;
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
op1
=
Ocast32signed
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oshllimm
(
Int
.
repr
(
Z
.
of_sint
32
))
in
let
sv2
=
find_or_addnmove
op2
[
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oshrluimm
(
Int
.
repr
(
Z
.
of_sint
32
))
in
exp
:=
build_full_ilist
op3
[
r2'
]
dest
succ
(
fst
ht2
)
[]
map_consts
|
Iop
(
Oshrximm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oshrximm"
;
if
Int
.
eq
n
Int
.
zero
then
exp
:=
[
Iop
(
Omove
,
[
a1
]
,
dest
,
succ
)
]
else
if
Int
.
eq
n
Int
.
one
then
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
op1
=
Oshruimm
(
Int
.
repr
(
Z
.
of_sint
31
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oadd
in
let
sv2
=
find_or_addnmove
op2
[
a1
;
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oshrimm
Int
.
one
in
exp
:=
build_full_ilist
op3
[
r2'
]
dest
succ
(
fst
ht2
)
[]
map_consts
else
let
n3
=
n2pi
()
in
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
r3
=
r2pi
()
in
let
op1
=
Oshrimm
(
Int
.
repr
(
Z
.
of_sint
31
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oshruimm
(
Int
.
sub
Int
.
iwordsize
n
)
in
let
sv2
=
find_or_addnmove
op2
[
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oadd
in
let
sv3
=
find_or_addnmove
op3
[
a1
;
r2'
]
r3
n3
map_consts
true
in
let
ht3
=
build_head_tuple
(
fst
ht2
)
sv3
in
let
r3'
=
unzip_head_tuple
ht3
r3
in
let
op4
=
Oshrimm
n
in
exp
:=
build_full_ilist
op4
[
r3'
]
dest
succ
(
fst
ht3
)
[]
map_consts
|
Iop
(
Oshrxlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oshrxlimm"
;
if
Int
.
eq
n
Int
.
zero
then
exp
:=
[
Iop
(
Omove
,
[
a1
]
,
dest
,
succ
)
]
else
if
Int
.
eq
n
Int
.
one
then
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
op1
=
Oshrluimm
(
Int
.
repr
(
Z
.
of_sint
63
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oaddl
in
let
sv2
=
find_or_addnmove
op2
[
a1
;
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oshrlimm
Int
.
one
in
exp
:=
build_full_ilist
op3
[
r2'
]
dest
succ
(
fst
ht2
)
[]
map_consts
else
let
n3
=
n2pi
()
in
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
r3
=
r2pi
()
in
let
op1
=
Oshrlimm
(
Int
.
repr
(
Z
.
of_sint
63
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oshrluimm
(
Int
.
sub
Int64
.
iwordsize'
n
)
in
let
sv2
=
find_or_addnmove
op2
[
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oaddl
in
let
sv3
=
find_or_addnmove
op3
[
a1
;
r2'
]
r3
n3
map_consts
true
in
let
ht3
=
build_head_tuple
(
fst
ht2
)
sv3
in
let
r3'
=
unzip_head_tuple
ht3
r3
in
let
op4
=
Oshrlimm
n
in
exp
:=
build_full_ilist
op4
[
r3'
]
dest
succ
(
fst
ht3
)
[]
map_consts
|
_
->
()
);
(* TODO gourdinl flag ? *)
(
match
inst
with
|
Iop
(
Ointconst
n
,
nil
,
dest
,
succ
)
->
debug
"Iop/Ointconst
\n
"
;
let
ht
=
loadimm32
dest
n
succ
map_consts
false
in
exp
:=
unzip_head_tuple_move
ht
dest
succ
;
was_exp
:=
true
|
Iop
(
Olongconst
n
,
nil
,
dest
,
succ
)
->
debug
"Iop/Olongconst
\n
"
;
let
ht
=
loadimm64
dest
n
succ
map_consts
false
in
exp
:=
unzip_head_tuple_move
ht
dest
succ
;
was_exp
:=
true
|
Iop
(
Oaddimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oaddimm
\n
"
;
exp
:=
addimm32
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oaddlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oaddlimm
\n
"
;
exp
:=
addimm64
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oandimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oandimm
\n
"
;
exp
:=
andimm32
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oandlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oandlimm
\n
"
;
exp
:=
andimm64
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oorimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oorimm
\n
"
;
exp
:=
orimm32
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Oorlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oorlimm
\n
"
;
exp
:=
orimm64
a1
dest
n
succ
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Ocast8signed
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/cast8signed"
;
let
op
=
Oshlimm
(
Int
.
repr
(
Z
.
of_sint
24
))
in
let
r
=
r2pi
()
in
let
sv
=
find_or_addnmove
op
[
a1
]
r
(
n2pi
()
)
map_consts
true
in
let
ht
=
build_head_tuple
[]
sv
in
let
r'
=
unzip_head_tuple
ht
r
in
exp
:=
build_full_ilist
(
Oshrimm
(
Int
.
repr
(
Z
.
of_sint
24
)))
[
r'
]
dest
succ
(
fst
ht
)
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Ocast16signed
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/cast8signed"
;
let
op
=
Oshlimm
(
Int
.
repr
(
Z
.
of_sint
16
))
in
let
r
=
r2pi
()
in
let
sv
=
find_or_addnmove
op
[
a1
]
r
(
n2pi
()
)
map_consts
true
in
let
ht
=
build_head_tuple
[]
sv
in
let
r'
=
unzip_head_tuple
ht
r
in
exp
:=
build_full_ilist
(
Oshrimm
(
Int
.
repr
(
Z
.
of_sint
16
)))
[
r'
]
dest
succ
(
fst
ht
)
[]
map_consts
;
was_exp
:=
true
|
Iop
(
Ocast32unsigned
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Ocast32unsigned"
;
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
op1
=
Ocast32signed
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oshllimm
(
Int
.
repr
(
Z
.
of_sint
32
))
in
let
sv2
=
find_or_addnmove
op2
[
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oshrluimm
(
Int
.
repr
(
Z
.
of_sint
32
))
in
exp
:=
build_full_ilist
op3
[
r2'
]
dest
succ
(
fst
ht2
)
[]
map_consts
|
Iop
(
Oshrximm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oshrximm"
;
if
Int
.
eq
n
Int
.
zero
then
exp
:=
[
Iop
(
Omove
,
[
a1
]
,
dest
,
succ
)
]
else
if
Int
.
eq
n
Int
.
one
then
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
op1
=
Oshruimm
(
Int
.
repr
(
Z
.
of_sint
31
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oadd
in
let
sv2
=
find_or_addnmove
op2
[
a1
;
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oshrimm
Int
.
one
in
exp
:=
build_full_ilist
op3
[
r2'
]
dest
succ
(
fst
ht2
)
[]
map_consts
else
let
n3
=
n2pi
()
in
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
r3
=
r2pi
()
in
let
op1
=
Oshrimm
(
Int
.
repr
(
Z
.
of_sint
31
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oshruimm
(
Int
.
sub
Int
.
iwordsize
n
)
in
let
sv2
=
find_or_addnmove
op2
[
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oadd
in
let
sv3
=
find_or_addnmove
op3
[
a1
;
r2'
]
r3
n3
map_consts
true
in
let
ht3
=
build_head_tuple
(
fst
ht2
)
sv3
in
let
r3'
=
unzip_head_tuple
ht3
r3
in
let
op4
=
Oshrimm
n
in
exp
:=
build_full_ilist
op4
[
r3'
]
dest
succ
(
fst
ht3
)
[]
map_consts
|
Iop
(
Oshrxlimm
n
,
a1
::
nil
,
dest
,
succ
)
->
debug
"Iop/Oshrxlimm"
;
if
Int
.
eq
n
Int
.
zero
then
exp
:=
[
Iop
(
Omove
,
[
a1
]
,
dest
,
succ
)
]
else
if
Int
.
eq
n
Int
.
one
then
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
op1
=
Oshrluimm
(
Int
.
repr
(
Z
.
of_sint
63
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oaddl
in
let
sv2
=
find_or_addnmove
op2
[
a1
;
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oshrlimm
Int
.
one
in
exp
:=
build_full_ilist
op3
[
r2'
]
dest
succ
(
fst
ht2
)
[]
map_consts
else
let
n3
=
n2pi
()
in
let
n2
=
n2pi
()
in
let
n1
=
n2pi
()
in
let
r1
=
r2pi
()
in
let
r2
=
r2pi
()
in
let
r3
=
r2pi
()
in
let
op1
=
Oshrlimm
(
Int
.
repr
(
Z
.
of_sint
63
))
in
let
sv1
=
find_or_addnmove
op1
[
a1
]
r1
n1
map_consts
true
in
let
ht1
=
build_head_tuple
[]
sv1
in
let
r1'
=
unzip_head_tuple
ht1
r1
in
let
op2
=
Oshrluimm
(
Int
.
sub
Int64
.
iwordsize'
n
)
in
let
sv2
=
find_or_addnmove
op2
[
r1'
]
r2
n2
map_consts
true
in
let
ht2
=
build_head_tuple
(
fst
ht1
)
sv2
in
let
r2'
=
unzip_head_tuple
ht2
r2
in
let
op3
=
Oaddl
in
let
sv3
=
find_or_addnmove
op3
[
a1
;
r2'
]
r3
n3
map_consts
true
in
let
ht3
=
build_head_tuple
(
fst
ht2
)
sv3
in
let
r3'
=
unzip_head_tuple
ht3
r3
in
let
op4
=
Oshrlimm
n
in
exp
:=
build_full_ilist
op4
[
r3'
]
dest
succ
(
fst
ht3
)
[]
map_consts
|
_
->
()
);
if
!
was_exp
then
(
(
if
!
was_branch
&&
List
.
length
!
exp
>
1
then
let
lives
=
PTree
.
get
n
!
liveins
in
...
...
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