aboutsummaryrefslogtreecommitdiffstats
path: root/erts
diff options
context:
space:
mode:
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/beam/beam_debug.c2
-rw-r--r--erts/emulator/beam/beam_emu.c11
-rw-r--r--erts/emulator/beam/ops.tab6
-rw-r--r--erts/emulator/test/beam_SUITE.erl77
-rwxr-xr-xerts/emulator/utils/beam_makeops35
5 files changed, 77 insertions, 54 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 61149721fe..a4ad3e7886 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -431,7 +431,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
packed >>= 10;
break;
case '0': /* Tight shift */
- *ap++ = packed & (BEAM_TIGHT_MASK / sizeof(Eterm));
+ *ap++ = packed & BEAM_TIGHT_MASK;
packed >>= BEAM_TIGHT_SHIFT;
break;
case '6': /* Shift 16 steps */
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 254bfe4ba0..72526bca5e 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -702,6 +702,17 @@ void** beam_ops;
dst[1] = E2; \
} while (0)
+#define GetTupleElement2Y(Src, Element, D1, D2) \
+ do { \
+ Eterm* src; \
+ Eterm E1, E2; \
+ src = ADD_BYTE_OFFSET(tuple_val(Src), (Element)); \
+ E1 = src[0]; \
+ E2 = src[1]; \
+ D1 = E1; \
+ D2 = E2; \
+ } while (0)
+
#define GetTupleElement3(Src, Element, Dest) \
do { \
Eterm* src; \
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab
index 69d06094ee..c08b4a8759 100644
--- a/erts/emulator/beam/ops.tab
+++ b/erts/emulator/beam/ops.tab
@@ -229,6 +229,9 @@ i_get_tuple_element y P y
%macro: i_get_tuple_element2 GetTupleElement2 -pack
i_get_tuple_element2 x P x
+%macro: i_get_tuple_element2y GetTupleElement2Y -pack
+i_get_tuple_element2y x P y y
+
%macro: i_get_tuple_element3 GetTupleElement3 -pack
i_get_tuple_element3 x P x
@@ -649,6 +652,9 @@ get_tuple_element Reg=x P1 D1=x | get_tuple_element Reg=x P2 D2=x | \
get_tuple_element Reg=x P1 D1=x | get_tuple_element Reg=x P2 D2=x | \
succ(P1, P2) | succ(D1, D2) => i_get_tuple_element2 Reg P1 D1
+get_tuple_element Reg=x P1 D1=y | get_tuple_element Reg=x P2 D2=y | \
+ succ(P1, P2) => i_get_tuple_element2y Reg P1 D1 D2
+
get_tuple_element Reg P Dst => i_get_tuple_element Reg P Dst
is_integer Fail=f i =>
diff --git a/erts/emulator/test/beam_SUITE.erl b/erts/emulator/test/beam_SUITE.erl
index b11afbdc08..6a54fa87e0 100644
--- a/erts/emulator/test/beam_SUITE.erl
+++ b/erts/emulator/test/beam_SUITE.erl
@@ -29,6 +29,7 @@
-export([applied/2,swap_temp_applied/1]).
-include_lib("common_test/include/ct.hrl").
+-include_lib("syntax_tools/include/merl.hrl").
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -93,48 +94,46 @@ applied(Starter, N) ->
apply_last_bif(Config) when is_list(Config) ->
apply(erlang, abs, [1]).
-%% Test three high register numbers in a put_list instruction
-%% (to test whether packing works properly).
+%% Test whether packing works properly.
packed_registers(Config) when is_list(Config) ->
- PrivDir = proplists:get_value(priv_dir, Config),
- Mod = packed_regs,
- Name = filename:join(PrivDir, atom_to_list(Mod) ++ ".erl"),
-
- %% Generate a module which generates a list of tuples.
- %% put_list(A) -> [{A, 600}, {A, 999}, ... {A, 0}].
- Code = gen_packed_regs(600, ["-module("++atom_to_list(Mod)++").\n",
- "-export([put_list/1]).\n",
- "put_list(A) ->\n["]),
- ok = file:write_file(Name, Code),
-
- %% Compile the module.
- io:format("Compiling: ~s\n", [Name]),
- CompRc = compile:file(Name, [{outdir, PrivDir}, report]),
- io:format("Result: ~p\n",[CompRc]),
- {ok, Mod} = CompRc,
-
- %% Load it.
- io:format("Loading...\n",[]),
- LoadRc = code:load_abs(filename:join(PrivDir, atom_to_list(Mod))),
- {module,_Module} = LoadRc,
-
- %% Call it and verify result.
- Term = {a, b},
- L = Mod:put_list(Term),
- verify_packed_regs(L, Term, 600),
+ Mod = ?FUNCTION_NAME,
+
+ %% Generate scrambled sequence.
+ Seq0 = [{erlang:phash2(I),I} || I <- lists:seq(0, 260)],
+ Seq = [I || {_,I} <- lists:sort(Seq0)],
+
+ %% Generate a test modules that uses get_list/3 instructions
+ %% with high register numbers.
+ S0 = [begin
+ VarName = list_to_atom("V"++integer_to_list(V)),
+ {merl:var(VarName),V}
+ end || V <- Seq],
+ Vars = [V || {V,_} <- S0],
+ NewVars = [begin
+ VarName = list_to_atom("M"++integer_to_list(V)),
+ merl:var(VarName)
+ end || V <- Seq],
+ S = [?Q("_@Var = id(_@Value@)") || {Var,Value} <- S0],
+ Code = ?Q(["-module('@Mod@').\n"
+ "-export([f/0]).\n"
+ "f() ->\n"
+ "_@S,\n"
+ "_ = id(0),\n"
+ "L = [_@Vars],\n"
+ "_ = id(1),\n"
+ "[_@NewVars] = L,\n" %Test get_list/3.
+ "_ = id(2),\n"
+ "id([_@Vars,_@NewVars]).\n"
+ "id(I) -> I.\n"]),
+ merl:compile_and_load(Code),
+ CombinedSeq = Seq ++ Seq,
+ CombinedSeq = Mod:f(),
+
+ %% Clean up.
+ true = code:delete(Mod),
+ false = code:purge(Mod),
ok.
-gen_packed_regs(0, Acc) ->
- [Acc|"{A,0}].\n"];
-gen_packed_regs(N, Acc) ->
- gen_packed_regs(N-1, [Acc,"{A,",integer_to_list(N)|"},\n"]).
-
-verify_packed_regs([], _, -1) -> ok;
-verify_packed_regs([{Term, N}| T], Term, N) ->
- verify_packed_regs(T, Term, N-1);
-verify_packed_regs(L, Term, N) ->
- ct:fail("Expected [{~p, ~p}|T]; got\n~p\n", [Term, N, L]).
-
buildo_mucho(Config) when is_list(Config) ->
buildo_mucho_1(),
ok.
diff --git a/erts/emulator/utils/beam_makeops b/erts/emulator/utils/beam_makeops
index 1a5bbe0d33..4407f7e289 100755
--- a/erts/emulator/utils/beam_makeops
+++ b/erts/emulator/utils/beam_makeops
@@ -48,7 +48,7 @@ $pack_shift[4] = ['0', 'BEAM_LOOSE_SHIFT', # Only for 64 bit wordsize
'(3*BEAM_LOOSE_SHIFT)'];
$pack_mask[2] = ['BEAM_LOOSE_MASK', $WHOLE_WORD];
-$pack_mask[3] = ['BEAM_TIGHT_MASK', 'BEAM_TIGHT_MASK', $WHOLE_WORD];
+$pack_mask[3] = ['BEAM_TIGHT_MASK', 'BEAM_TIGHT_MASK', 'BEAM_TIGHT_MASK'];
$pack_mask[4] = ['BEAM_LOOSE_MASK', # Only for 64 bit wordsize
'BEAM_LOOSE_MASK',
'BEAM_LOOSE_MASK',
@@ -251,6 +251,7 @@ $args_per_word[5] = 3;
$args_per_word[6] = 3;
if ($wordsize == 64) {
+ $pack_mask[3] = ['BEAM_TIGHT_MASK', 'BEAM_TIGHT_MASK', $WHOLE_WORD];
$args_per_word[4] = 4;
}
@@ -624,19 +625,25 @@ sub emulator_output {
print "#define NUM_SPECIFIC_OPS ", scalar(@op_to_name), "\n";
print "#define SCRATCH_X_REG 1023\n";
print "\n";
- print "#ifdef ARCH_64\n";
- print "# define BEAM_WIDE_MASK 0xFFFFUL\n";
- print "# define BEAM_LOOSE_MASK 0xFFFFUL\n";
- print "# define BEAM_TIGHT_MASK 0xFFFFUL\n";
- print "# define BEAM_WIDE_SHIFT 32\n";
- print "# define BEAM_LOOSE_SHIFT 16\n";
- print "# define BEAM_TIGHT_SHIFT 16\n";
- print "#else\n";
- print "# define BEAM_LOOSE_MASK 0xFFF\n";
- print "# define BEAM_TIGHT_MASK 0xFFC\n";
- print "# define BEAM_LOOSE_SHIFT 16\n";
- print "# define BEAM_TIGHT_SHIFT 10\n";
- print "#endif\n";
+ if ($wordsize == 32) {
+ print "#if defined(ARCH_64)\n";
+ print qq[ #error "32-bit architecture assumed, but ARCH_64 is defined"\n];
+ print "#endif\n";
+ print "#define BEAM_LOOSE_MASK 0xFFF\n";
+ print "#define BEAM_TIGHT_MASK 0xFFC\n";
+ print "#define BEAM_LOOSE_SHIFT 16\n";
+ print "#define BEAM_TIGHT_SHIFT 10\n";
+ } elsif ($wordsize == 64) {
+ print "#if !defined(ARCH_64)\n";
+ print qq[ #error "64-bit architecture assumed, but ARCH_64 not defined"\n];
+ print "#endif\n";
+ print "#define BEAM_WIDE_MASK 0xFFFFUL\n";
+ print "#define BEAM_LOOSE_MASK 0xFFFFUL\n";
+ print "#define BEAM_TIGHT_MASK 0xFFFFUL\n";
+ print "#define BEAM_WIDE_SHIFT 32\n";
+ print "#define BEAM_LOOSE_SHIFT 16\n";
+ print "#define BEAM_TIGHT_SHIFT 16\n";
+ }
print "\n";
#
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 16:55:22 +0000