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-rw-r--r--erts/emulator/test/beam_SUITE.erl21
-rw-r--r--erts/emulator/test/beam_literals_SUITE.erl45
-rw-r--r--erts/emulator/test/beam_literals_SUITE_data/literal_case_expression.S80
-rw-r--r--erts/emulator/test/erts_debug_SUITE.erl9
4 files changed, 146 insertions, 9 deletions
diff --git a/erts/emulator/test/beam_SUITE.erl b/erts/emulator/test/beam_SUITE.erl
index 228ff15341..32ac07cb2d 100644
--- a/erts/emulator/test/beam_SUITE.erl
+++ b/erts/emulator/test/beam_SUITE.erl
@@ -20,7 +20,8 @@
-module(beam_SUITE).
-export([all/1, packed_registers/1, apply_last/1, apply_last_bif/1,
- buildo_mucho/1, heap_sizes/1, big_lists/1, fconv/1]).
+ buildo_mucho/1, heap_sizes/1, big_lists/1, fconv/1,
+ select_val/1]).
-export([applied/2]).
@@ -28,7 +29,7 @@
all(suite) ->
[packed_registers, apply_last, apply_last_bif, buildo_mucho,
- heap_sizes, big_lists].
+ heap_sizes, big_lists, select_val].
%% Verify that apply(M, F, A) is really tail recursive.
@@ -302,3 +303,19 @@ do_fconv(nil, Float) when is_float(Float) ->
Float + [];
do_fconv(tuple_literal, Float) when is_float(Float) ->
Float + {a,b}.
+
+select_val(Config) when is_list(Config) ->
+ ?line zero = do_select_val(0),
+ ?line big = do_select_val(1 bsl 64),
+ ?line integer = do_select_val(42),
+ ok.
+
+do_select_val(X) ->
+ case X of
+ 0 ->
+ zero;
+ 1 bsl 64 ->
+ big;
+ Int when is_integer(Int) ->
+ integer
+ end.
diff --git a/erts/emulator/test/beam_literals_SUITE.erl b/erts/emulator/test/beam_literals_SUITE.erl
index 75841adbfc..1eda939cf8 100644
--- a/erts/emulator/test/beam_literals_SUITE.erl
+++ b/erts/emulator/test/beam_literals_SUITE.erl
@@ -23,7 +23,8 @@
matching_bigs/1, matching_more_bigs/1,
matching_bigs_and_smalls/1, badmatch/1, case_clause/1,
receiving/1, literal_type_tests/1,
- put_list/1, fconv/1, literal_case_expression/1]).
+ put_list/1, fconv/1, literal_case_expression/1,
+ increment/1]).
-include("test_server.hrl").
@@ -32,7 +33,7 @@ all(suite) ->
matching_bigs, matching_more_bigs,
matching_bigs_and_smalls, badmatch, case_clause,
receiving, literal_type_tests,
- put_list, fconv, literal_case_expression].
+ put_list, fconv, literal_case_expression, increment].
putting(doc) -> "Test creating lists and tuples containing big number literals.";
putting(Config) when is_list(Config) ->
@@ -48,6 +49,7 @@ matching_bigs(doc) -> "Test matching of a few big number literals (in Beam,"
matching_bigs(Config) when is_list(Config) ->
a = matching1(3972907842873739),
b = matching1(-389789298378939783333333333333333333784),
+ other = matching1(3141699999999999999999999999999999999),
other = matching1(42).
matching_smalls(doc) -> "Test matching small numbers (both positive and negative).";
@@ -405,14 +407,51 @@ fconv_2(F) when is_float(F) ->
literal_case_expression(Config) when is_list(Config) ->
?line DataDir = ?config(data_dir, Config),
?line Src = filename:join(DataDir, "literal_case_expression"),
- ?line {ok,literal_case_expression=Mod,Code} = compile:file(Src, [from_asm,binary]),
+ ?line {ok,literal_case_expression=Mod,Code} =
+ compile:file(Src, [from_asm,binary]),
?line {module,Mod} = code:load_binary(Mod, Src, Code),
?line ok = Mod:x(),
?line ok = Mod:y(),
+ ?line ok = Mod:zi1(),
+ ?line ok = Mod:zi2(),
+ ?line ok = Mod:za1(),
+ ?line ok = Mod:za2(),
?line true = code:delete(Mod),
?line code:purge(Mod),
ok.
+%% Test the i_increment instruction.
+increment(Config) when is_list(Config) ->
+ %% In the 32-bit emulator, Neg32 can be represented as a small,
+ %% but -Neg32 cannot. Therefore the i_increment instruction must
+ %% not be used in the subtraction that follows (since i_increment
+ %% cannot handle a bignum literal).
+ Neg32 = -(1 bsl 27),
+ Big32 = id(1 bsl 32),
+ Result32 = (1 bsl 32) + (1 bsl 27),
+ ?line Result32 = Big32 + (1 bsl 27),
+ ?line Result32 = Big32 - Neg32,
+
+ %% Same thing, but for the 64-bit emulator.
+ Neg64 = -(1 bsl 59),
+ Big64 = id(1 bsl 64),
+ Result64 = (1 bsl 64) + (1 bsl 59),
+ ?line Result64 = Big64 + (1 bsl 59),
+ ?line Result64 = Big64 - Neg64,
+
+ %% Test error handling for the i_increment instruction.
+ Bad = id(bad),
+ ?line {'EXIT',{badarith,_}} = (catch Bad + 42),
+
+ %% Small operands, but a big result.
+ Res32 = 1 bsl 27,
+ Small32 = id(Res32-1),
+ ?line Res32 = Small32 + 1,
+ Res64 = 1 bsl 59,
+ Small64 = id(Res64-1),
+ ?line Res64 = Small64 + 1,
+ ok.
+
%% Help functions.
chksum(Term) ->
diff --git a/erts/emulator/test/beam_literals_SUITE_data/literal_case_expression.S b/erts/emulator/test/beam_literals_SUITE_data/literal_case_expression.S
index c0ffe9ab53..bfdfc079dc 100644
--- a/erts/emulator/test/beam_literals_SUITE_data/literal_case_expression.S
+++ b/erts/emulator/test/beam_literals_SUITE_data/literal_case_expression.S
@@ -1,10 +1,11 @@
{module, literal_case_expression}. %% version = 0
-{exports, [{module_info,0},{module_info,1},{x,0},{y,0}]}.
+{exports, [{module_info,0},{module_info,1},{x,0},{y,0},
+ {zi1,0},{zi2,0},{za1,0},{za2,0}]}.
{attributes, []}.
-{labels, 15}.
+{labels, 32}.
{function, x, 0, 2}.
@@ -52,6 +53,81 @@
{label,10}.
{case_end,{float,34.0000}}.
+{function, zi1, 0, 16}.
+ {label,15}.
+ {func_info,{atom,literal_case_expression},{atom,zi1},0}.
+ {label,16}.
+ {test,is_integer,{f,19},[{integer,42}]}.
+ {select_val,{integer,42},
+ {f,18},
+ {list,[{integer,42},
+ {f,17},
+ {integer,1000},
+ {f,18}]}}.
+ {label,17}.
+ {move,{atom,ok},{x,0}}.
+ return.
+ {label,18}.
+ {move,{atom,error},{x,0}}.
+ return.
+ {label,19}.
+ {case_end,{integer,42}}.
+
+{function, zi2, 0, 16}.
+ {label,20}.
+ {func_info,{atom,literal_case_expression},{atom,zi2},0}.
+ {label,21}.
+ {test,is_integer,{f,23},[{integer,42}]}.
+ {select_val,{integer,42},
+ {f,23},
+ {list,[{integer,42},
+ {f,22},
+ {integer,1000},
+ {f,23}]}}.
+ {label,22}.
+ {move,{atom,ok},{x,0}}.
+ return.
+ {label,23}.
+ {move,{atom,error},{x,0}}.
+ return.
+
+{function, za1, 0, 25}.
+ {label,24}.
+ {func_info,{atom,literal_case_expression},{atom,za1},0}.
+ {label,25}.
+ {test,is_atom,{f,28},[{atom,x}]}.
+ {select_val,{atom,x},
+ {f,27},
+ {list,[{atom,a},
+ {f,27},
+ {atom,x},
+ {f,26}]}}.
+ {label,26}.
+ {move,{atom,ok},{x,0}}.
+ return.
+ {label,27}.
+ {move,{atom,error},{x,0}}.
+ return.
+ {label,28}.
+ {case_end,{atom,x}}.
+
+{function, za2, 0, 30}.
+ {label,29}.
+ {func_info,{atom,literal_case_expression},{atom,za2},0}.
+ {label,30}.
+ {test,is_atom,{f,32},[{atom,x}]}.
+ {select_val,{atom,x},
+ {f,32},
+ {list,[{atom,a},
+ {f,32},
+ {atom,x},
+ {f,31}]}}.
+ {label,31}.
+ {move,{atom,ok},{x,0}}.
+ return.
+ {label,32}.
+ {move,{atom,error},{x,0}}.
+ return.
{function, module_info, 0, 12}.
{label,11}.
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl
index e60a999df1..934a1b10a4 100644
--- a/erts/emulator/test/erts_debug_SUITE.erl
+++ b/erts/emulator/test/erts_debug_SUITE.erl
@@ -21,10 +21,10 @@
-include("test_server.hrl").
-export([all/1,init_per_testcase/2,fin_per_testcase/2,
- flat_size/1,flat_size_big/1,df/1]).
+ flat_size/1,flat_size_big/1,df/1,instructions/1]).
all(suite) ->
- [flat_size,flat_size_big,df].
+ [flat_size,flat_size_big,df,instructions].
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
Dog=?t:timetrap(?t:minutes(2)),
@@ -70,3 +70,8 @@ df(Config) when is_list(Config) ->
pps() ->
{erlang:ports()}.
+
+instructions(Config) when is_list(Config) ->
+ ?line Is = erts_debug:instructions(),
+ ?line _ = [list_to_atom(I) || I <- Is],
+ ok.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 15:38:25 +0000