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Unified Diff: runtime/vm/assembler_arm.cc

Issue 616223005: Adds back arm ldrex strex. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 3 months ago
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Index: runtime/vm/assembler_arm.cc
===================================================================
--- runtime/vm/assembler_arm.cc (revision 40852)
+++ runtime/vm/assembler_arm.cc (working copy)
@@ -569,6 +569,7 @@
void Assembler::ldrex(Register rt, Register rn, Condition cond) {
+ ASSERT(TargetCPUFeatures::arm_version() != ARMv5TE);
ASSERT(rn != kNoRegister);
ASSERT(rt != kNoRegister);
ASSERT(cond != kNoCondition);
@@ -584,6 +585,7 @@
void Assembler::strex(Register rd, Register rt, Register rn, Condition cond) {
+ ASSERT(TargetCPUFeatures::arm_version() != ARMv5TE);
ASSERT(rn != kNoRegister);
ASSERT(rd != kNoRegister);
ASSERT(rt != kNoRegister);
@@ -600,6 +602,7 @@
void Assembler::clrex() {
+ ASSERT(TargetCPUFeatures::arm_version() != ARMv5TE);
int32_t encoding = (kSpecialCondition << kConditionShift) |
B26 | B24 | B22 | B21 | B20 | (0xff << 12) | B4 | 0xf;
Emit(encoding);
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