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authorColin Cross <ccross@android.com>2010-03-09 13:23:40 -0800
committerColin Cross <ccross@android.com>2010-03-09 13:23:40 -0800
commitfd7e221cce6d3c63fd26599d58e0a35db7f5d1fa (patch)
tree95a3f3fc0f8df6b038831b3e17b4a50ae21d3a48 /vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.c
parent631bbbff684e9fe41a5a08ffa3e13fa3bed01212 (diff)
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Add armv7-a-neon build target
Change-Id: I981d55b53f6b3c185fe93384924bdbe18057132c
Diffstat (limited to 'vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.c')
-rw-r--r--vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.c b/vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.c
new file mode 100644
index 000000000..fe2b1d485
--- /dev/null
+++ b/vm/compiler/codegen/arm/armv7-a-neon/ArchVariant.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * 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.
+ */
+
+/*
+ * Determine the initial instruction set to be used for this trace.
+ * Later components may decide to change this.
+ */
+JitInstructionSetType dvmCompilerInstructionSet(void)
+{
+ return DALVIK_JIT_THUMB2;
+}
+
+/* Architecture-specific initializations and checks go here */
+bool dvmCompilerArchVariantInit(void)
+{
+ /* First, declare dvmCompiler_TEMPLATE_XXX for each template */
+#define JIT_TEMPLATE(X) extern void dvmCompiler_TEMPLATE_##X();
+#include "../../../template/armv5te-vfp/TemplateOpList.h"
+#undef JIT_TEMPLATE
+
+ int i = 0;
+ extern void dvmCompilerTemplateStart(void);
+
+ /*
+ * Then, populate the templateEntryOffsets array with the offsets from the
+ * the dvmCompilerTemplateStart symbol for each template.
+ */
+#define JIT_TEMPLATE(X) templateEntryOffsets[i++] = \
+ (intptr_t) dvmCompiler_TEMPLATE_##X - (intptr_t) dvmCompilerTemplateStart;
+#include "../../../template/armv5te-vfp/TemplateOpList.h"
+#undef JIT_TEMPLATE
+
+ /* Target-specific configuration */
+ gDvmJit.jitTableSize = 1 << 12; // 4096
+ gDvmJit.jitTableMask = gDvmJit.jitTableSize - 1;
+ gDvmJit.threshold = 40;
+ gDvmJit.codeCacheSize = 1024*1024;
+
+#if defined(WITH_SELF_VERIFICATION)
+ /* Force into blocking */
+ gDvmJit.blockingMode = true;
+#endif
+
+ /* Codegen-specific assumptions */
+ assert(offsetof(ClassObject, vtable) < 128 &&
+ (offsetof(ClassObject, vtable) & 0x3) == 0);
+ assert(offsetof(ArrayObject, length) < 128 &&
+ (offsetof(ArrayObject, length) & 0x3) == 0);
+ assert(offsetof(ArrayObject, contents) < 256);
+
+ /* Up to 5 args are pushed on top of FP - sizeofStackSaveArea */
+ assert(sizeof(StackSaveArea) < 236);
+
+ /*
+ * EA is calculated by doing "Rn + imm5 << 2", and there are 5 entry points
+ * that codegen may access, make sure that the offset from the top of the
+ * struct is less than 108.
+ */
+ assert(offsetof(InterpState, jitToInterpEntries) < 108);
+ return true;
+}
+
+int dvmCompilerTargetOptHint(int key)
+{
+ int res;
+ switch (key) {
+ case kMaxHoistDistance:
+ res = 7;
+ break;
+ default:
+ LOGE("Unknown target optimization hint key: %d",key);
+ res = 0;
+ }
+ return res;
+}