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OPCODE_INSERT

This commit is contained in:
Ben Vanik 2015-01-09 00:12:11 -08:00
parent fde3904130
commit 6437bbec96
3 changed files with 66 additions and 54 deletions
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12
src/alloy/backend/x64/x64_sequences.cc
View File

@ -4782,16 +4782,22 @@ EMITTER_OPCODE_TABLE(
// ============================================================================
// OPCODE_INSERT
// ============================================================================
EMITTER(INSERT_I8, MATCH(I<OPCODE_INSERT, V128<>, V128<>, I64<>, I8<>>)) {
EMITTER(INSERT_I8, MATCH(I<OPCODE_INSERT, V128<>, V128<>, I8<>, I8<>>)) {
static void Emit(X64Emitter& e, const EmitArgType& i) {
assert_true(i.src2.is_constant);
e.vpinsrb(i.dest, i.src3.reg().cvt32(), i.src2.constant() ^ 0x3);
}
};
EMITTER(INSERT_I16, MATCH(I<OPCODE_INSERT, V128<>, V128<>, I64<>, I16<>>)) {
EMITTER(INSERT_I16, MATCH(I<OPCODE_INSERT, V128<>, V128<>, I8<>, I16<>>)) {
static void Emit(X64Emitter& e, const EmitArgType& i) {
assert_true(i.src2.is_constant);
e.vpinsrw(i.dest, i.src3.reg().cvt32(), i.src2.constant() ^ 0x1);
}
};
EMITTER(INSERT_I32, MATCH(I<OPCODE_INSERT, V128<>, V128<>, I64<>, I32<>>)) {
EMITTER(INSERT_I32, MATCH(I<OPCODE_INSERT, V128<>, V128<>, I8<>, I32<>>)) {
static void Emit(X64Emitter& e, const EmitArgType& i) {
assert_true(i.src2.is_constant);
e.vpinsrd(i.dest, i.src3, i.src2.constant());
}
};
EMITTER_OPCODE_TABLE(

5
src/alloy/hir/hir_builder.cc
View File

@ -1809,9 +1809,12 @@ Value* HIRBuilder::CountLeadingZeros(Value* value) {
Value* HIRBuilder::Insert(Value* value, Value* index, Value* part) {
// TODO(benvanik): could do some of this as constants.
Value* trunc_index =
index->type != INT8_TYPE ? Truncate(index, INT8_TYPE) : index;
Instr* i = AppendInstr(OPCODE_INSERT_info, 0, AllocValue(value->type));
i->set_src1(value);
i->set_src2(ZeroExtend(index, INT64_TYPE));
i->set_src2(trunc_index);
i->set_src3(part);
return i->dest;
}

103
src/alloy/test/test_insert.cc
View File

@ -18,66 +18,69 @@ using namespace alloy::test;
using alloy::frontend::ppc::PPCContext;
TEST_CASE("INSERT_INT8", "[instr]") {
TestFunction test([](hir::HIRBuilder& b) {
StoreVR(b, 3, b.Insert(LoadVR(b, 4), LoadGPR(b, 4),
b.Truncate(LoadGPR(b, 5), INT8_TYPE)));
b.Return();
});
for (int i = 0; i < 16; ++i) {
test.Run([i](PPCContext* ctx) {
ctx->v[4] = vec128b(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15);
ctx->r[4] = i;
ctx->r[5] = 100 + i;
},
[i](PPCContext* ctx) {
auto result = ctx->v[3];
auto expected = vec128b(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15);
expected.i8[i ^ 0x3] = 100 + i;
REQUIRE(result == expected);
});
TestFunction test([i](hir::HIRBuilder& b) {
StoreVR(b, 3, b.Insert(LoadVR(b, 4), b.LoadConstant(i),
b.Truncate(LoadGPR(b, 5), INT8_TYPE)));
b.Return();
});
test.Run(
[i](PPCContext* ctx) {
ctx->v[4] =
vec128b(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
ctx->r[4] = i;
ctx->r[5] = 100 + i;
},
[i](PPCContext* ctx) {
auto result = ctx->v[3];
auto expected =
vec128b(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
expected.i8[i ^ 0x3] = 100 + i;
REQUIRE(result == expected);
});
}
}
TEST_CASE("INSERT_INT16", "[instr]") {
TestFunction test([](hir::HIRBuilder& b) {
StoreVR(b, 3, b.Insert(LoadVR(b, 4), LoadGPR(b, 4),
b.Truncate(LoadGPR(b, 5), INT16_TYPE)));
b.Return();
});
for (int i = 0; i < 8; ++i) {
test.Run([i](PPCContext* ctx) {
ctx->v[4] = vec128s(0, 1, 2, 3, 4, 5, 6, 7);
ctx->r[4] = i;
ctx->r[5] = 100 + i;
},
[i](PPCContext* ctx) {
auto result = ctx->v[3];
auto expected = vec128s(0, 1, 2, 3, 4, 5, 6, 7);
expected.i16[i ^ 0x1] = 100 + i;
REQUIRE(result == expected);
});
TestFunction test([i](hir::HIRBuilder& b) {
StoreVR(b, 3, b.Insert(LoadVR(b, 4), b.LoadConstant(i),
b.Truncate(LoadGPR(b, 5), INT16_TYPE)));
b.Return();
});
test.Run(
[i](PPCContext* ctx) {
ctx->v[4] = vec128s(0, 1, 2, 3, 4, 5, 6, 7);
ctx->r[4] = i;
ctx->r[5] = 100 + i;
},
[i](PPCContext* ctx) {
auto result = ctx->v[3];
auto expected = vec128s(0, 1, 2, 3, 4, 5, 6, 7);
expected.i16[i ^ 0x1] = 100 + i;
REQUIRE(result == expected);
});
}
}
TEST_CASE("INSERT_INT32", "[instr]") {
TestFunction test([](hir::HIRBuilder& b) {
StoreVR(b, 3, b.Insert(LoadVR(b, 4), LoadGPR(b, 4),
b.Truncate(LoadGPR(b, 5), INT32_TYPE)));
b.Return();
});
for (int i = 0; i < 4; ++i) {
test.Run([i](PPCContext* ctx) {
ctx->v[4] = vec128i(0, 1, 2, 3);
ctx->r[4] = i;
ctx->r[5] = 100 + i;
},
[i](PPCContext* ctx) {
auto result = ctx->v[3];
auto expected = vec128i(0, 1, 2, 3);
expected.i32[i] = 100 + i;
REQUIRE(result == expected);
});
TestFunction test([i](hir::HIRBuilder& b) {
StoreVR(b, 3, b.Insert(LoadVR(b, 4), b.LoadConstant(i),
b.Truncate(LoadGPR(b, 5), INT32_TYPE)));
b.Return();
});
test.Run(
[i](PPCContext* ctx) {
ctx->v[4] = vec128i(0, 1, 2, 3);
ctx->r[4] = i;
ctx->r[5] = 100 + i;
},
[i](PPCContext* ctx) {
auto result = ctx->v[3];
auto expected = vec128i(0, 1, 2, 3);
expected.i32[i] = 100 + i;
REQUIRE(result == expected);
});
}
}