Register key = ToRegister(instr->key());
ExternalArrayType array_type = instr->array_type();
if (array_type == kExternalFloatArray) {
- if (CpuFeatures::IsSupported(VFP3)) {
- CpuFeatures::Scope scope(VFP3);
- DwVfpRegister result(ToDoubleRegister(instr->result()));
- __ add(scratch0(), external_pointer, Operand(key, LSL, 2));
- __ vldr(result, scratch0(), 0);
- } else {
- Register result(ToRegister(instr->result()));
- __ ldr(result, MemOperand(external_pointer, key, LSL, 2));
- }
+ CpuFeatures::Scope scope(VFP3);
+ DwVfpRegister result(ToDoubleRegister(instr->result()));
+ __ add(scratch0(), external_pointer, Operand(key, LSL, 2));
+ __ vldr(result.low(), scratch0(), 0);
+ __ vcvt_f64_f32(result, result.low());
} else {
Register result(ToRegister(instr->result()));
switch (array_type) {
Register key = ToRegister(instr->key());
ExternalArrayType array_type = instr->array_type();
if (array_type == kExternalFloatArray) {
- if (CpuFeatures::IsSupported(VFP3)) {
- CpuFeatures::Scope scope(VFP3);
- DwVfpRegister value(ToDoubleRegister(instr->value()));
- __ add(scratch0(), external_pointer, Operand(key, LSL, 2));
- __ vstr(value, scratch0(), 0);
- } else {
- Register value(ToRegister(instr->value()));
- __ str(value, MemOperand(external_pointer, key, LSL, 2));
- }
+ CpuFeatures::Scope scope(VFP3);
+ DwVfpRegister value(ToDoubleRegister(instr->value()));
+ __ add(scratch0(), external_pointer, Operand(key, LSL, 2));
+ __ vcvt_f32_f64(double_scratch0().low(), value);
+ __ vstr(double_scratch0().low(), scratch0(), 0);
} else {
Register value(ToRegister(instr->value()));
switch (array_type) {
--- /dev/null
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+// Regression test for load/store operating with wrong number of bits.
+function get(a, index) {
+ return a[index];
+}
+
+var a = new Float32Array(2);
+a[0] = 2.5;
+a[1] = 3.5;
+for (var i = 0; i < 5; i++) get(a, 0);
+%OptimizeFunctionOnNextCall(get);
+assertEquals(2.5, get(a, 0));
+assertEquals(3.5, get(a, 1));
+
+function set(a, index, value) {
+ a[index] = value;
+}
+for (var i = 0; i < 5; i++) set(a, 0, 4.5);
+%OptimizeFunctionOnNextCall(set);
+set(a, 0, 4.5);
+assertEquals(4.5, a[0]);
+assertEquals(3.5, a[1]);