Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 180 insertions, 0 deletions

diff --git a/js/src/wasm/WasmBCRegDefs-inl.h b/js/src/wasm/WasmBCRegDefs-inl.h
new file mode 100644
index 0000000000..1531152f03
--- /dev/null
+++ b/js/src/wasm/WasmBCRegDefs-inl.h
@@ -0,0 +1,180 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ *
+ * Copyright 2016 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This is an INTERNAL header for Wasm baseline compiler: inline BaseCompiler
+// methods that don't fit in any other group in particular.
+
+#ifndef wasm_wasm_baseline_reg_defs_inl_h
+#define wasm_wasm_baseline_reg_defs_inl_h
+
+namespace js {
+namespace wasm {
+// TODO / OPTIMIZE (Bug 1316802): Do not sync everything on allocation
+// failure, only as much as we need.
+
+RegI32 BaseRegAlloc::needI32() {
+  if (!hasGPR()) {
+    bc->sync();
+  }
+  return RegI32(allocGPR());
+}
+
+void BaseRegAlloc::needI32(RegI32 specific) {
+  if (!isAvailableI32(specific)) {
+    bc->sync();
+  }
+  allocGPR(specific);
+}
+
+RegI64 BaseRegAlloc::needI64() {
+  if (!hasGPR64()) {
+    bc->sync();
+  }
+  return RegI64(allocInt64());
+}
+
+void BaseRegAlloc::needI64(RegI64 specific) {
+  if (!isAvailableI64(specific)) {
+    bc->sync();
+  }
+  allocInt64(specific);
+}
+
+RegRef BaseRegAlloc::needRef() {
+  if (!hasGPR()) {
+    bc->sync();
+  }
+  return RegRef(allocGPR());
+}
+
+void BaseRegAlloc::needRef(RegRef specific) {
+  if (!isAvailableRef(specific)) {
+    bc->sync();
+  }
+  allocGPR(specific);
+}
+
+RegPtr BaseRegAlloc::needPtr() {
+  if (!hasGPR()) {
+    bc->sync();
+  }
+  return RegPtr(allocGPR());
+}
+
+void BaseRegAlloc::needPtr(RegPtr specific) {
+  if (!isAvailablePtr(specific)) {
+    bc->sync();
+  }
+  allocGPR(specific);
+}
+
+RegPtr BaseRegAlloc::needTempPtr(RegPtr fallback, bool* saved) {
+  if (hasGPR()) {
+    *saved = false;
+    return RegPtr(allocGPR());
+  }
+  *saved = true;
+  bc->saveTempPtr(fallback);
+  MOZ_ASSERT(isAvailablePtr(fallback));
+  allocGPR(fallback);
+  return RegPtr(fallback);
+}
+
+RegF32 BaseRegAlloc::needF32() {
+  if (!hasFPU<MIRType::Float32>()) {
+    bc->sync();
+  }
+  return RegF32(allocFPU<MIRType::Float32>());
+}
+
+void BaseRegAlloc::needF32(RegF32 specific) {
+  if (!isAvailableF32(specific)) {
+    bc->sync();
+  }
+  allocFPU(specific);
+}
+
+RegF64 BaseRegAlloc::needF64() {
+  if (!hasFPU<MIRType::Double>()) {
+    bc->sync();
+  }
+  return RegF64(allocFPU<MIRType::Double>());
+}
+
+void BaseRegAlloc::needF64(RegF64 specific) {
+  if (!isAvailableF64(specific)) {
+    bc->sync();
+  }
+  allocFPU(specific);
+}
+
+#ifdef ENABLE_WASM_SIMD
+RegV128 BaseRegAlloc::needV128() {
+  if (!hasFPU<MIRType::Simd128>()) {
+    bc->sync();
+  }
+  return RegV128(allocFPU<MIRType::Simd128>());
+}
+
+void BaseRegAlloc::needV128(RegV128 specific) {
+  if (!isAvailableV128(specific)) {
+    bc->sync();
+  }
+  allocFPU(specific);
+}
+#endif
+
+void BaseRegAlloc::freeI32(RegI32 r) { freeGPR(r); }
+
+void BaseRegAlloc::freeI64(RegI64 r) { freeInt64(r); }
+
+void BaseRegAlloc::freeRef(RegRef r) { freeGPR(r); }
+
+void BaseRegAlloc::freePtr(RegPtr r) { freeGPR(r); }
+
+void BaseRegAlloc::freeF64(RegF64 r) { freeFPU(r); }
+
+void BaseRegAlloc::freeF32(RegF32 r) { freeFPU(r); }
+
+#ifdef ENABLE_WASM_SIMD
+void BaseRegAlloc::freeV128(RegV128 r) { freeFPU(r); }
+#endif
+
+void BaseRegAlloc::freeTempPtr(RegPtr r, bool saved) {
+  freePtr(r);
+  if (saved) {
+    bc->restoreTempPtr(r);
+    MOZ_ASSERT(!isAvailablePtr(r));
+  }
+}
+
+#ifdef JS_CODEGEN_ARM
+RegI64 BaseRegAlloc::needI64Pair() {
+  if (!hasGPRPair()) {
+    bc->sync();
+  }
+  Register low, high;
+  allocGPRPair(&low, &high);
+  return RegI64(Register64(high, low));
+}
+#endif
+
+}  // namespace wasm
+}  // namespace js
+
+#endif  // wasm_wasm_baseline_reg_defs_inl_h