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Unified Diff: runtime/vm/assembler_arm64.h

Issue 2953753002: Revert "Inline instance object hash code into object header on 64 bit." (Closed)
Patch Set: Created 3 years, 6 months ago
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Index: runtime/vm/assembler_arm64.h
diff --git a/runtime/vm/assembler_arm64.h b/runtime/vm/assembler_arm64.h
index 1b25c5bb0e89f9d4b54842d8ebc688358feed2c6..cbeadfd80e1fa3b669cfd6ffb2fafefb6e0dbbf9 100644
--- a/runtime/vm/assembler_arm64.h
+++ b/runtime/vm/assembler_arm64.h
@@ -742,19 +742,16 @@ class Assembler : public ValueObject {
EmitLoadStoreRegPair(STP, rt, rt2, a, sz);
}
- void ldxr(Register rt, Register rn, OperandSize size = kDoubleWord) {
+ void ldxr(Register rt, Register rn) {
// rt = value
// rn = address
- EmitLoadStoreExclusive(LDXR, R31, rn, rt, size);
+ EmitLoadStoreExclusive(LDXR, R31, rn, rt, kDoubleWord);
}
- void stxr(Register rs,
- Register rt,
- Register rn,
- OperandSize size = kDoubleWord) {
+ void stxr(Register rs, Register rt, Register rn) {
// rs = status (1 = failure, 0 = success)
// rt = value
// rn = address
- EmitLoadStoreExclusive(STXR, rs, rn, rt, size);
+ EmitLoadStoreExclusive(STXR, rs, rn, rt, kDoubleWord);
}
void clrex() {
const int32_t encoding = static_cast<int32_t>(CLREX);
@@ -1704,8 +1701,8 @@ class Assembler : public ValueObject {
Register rn,
Register rt,
OperandSize sz = kDoubleWord) {
- ASSERT(sz == kDoubleWord || sz == kWord);
- const int32_t size = B31 | (sz == kDoubleWord ? B30 : 0);
+ ASSERT(sz == kDoubleWord);
+ const int32_t size = B31 | B30;
ASSERT((rs != kNoRegister) && (rs != ZR));
ASSERT((rn != kNoRegister) && (rn != ZR));
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