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Unified Diff: runtime/vm/intrinsifier_arm.cc

Issue 2003403003: ARM/ARM64: Fix smashed CODE_REG in intrinsics with InvokeMathCFunctionInstrs. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 4 years, 7 months ago
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Index: runtime/vm/intrinsifier_arm.cc
diff --git a/runtime/vm/intrinsifier_arm.cc b/runtime/vm/intrinsifier_arm.cc
index 119fd7aa1f9d73ab536a6b99429b57060eda72fd..910244758f50177f226020fbfd2a8393d3998f61 100644
--- a/runtime/vm/intrinsifier_arm.cc
+++ b/runtime/vm/intrinsifier_arm.cc
@@ -34,6 +34,12 @@ intptr_t Intrinsifier::ParameterSlotFromSp() { return -1; }
void Intrinsifier::IntrinsicCallPrologue(Assembler* assembler) {
+ COMPILE_ASSERT((1 << CODE_REG) & kAbiPreservedCpuRegs);
Vyacheslav Egorov (Google) 2016/05/25 11:15:31 (...) != 0 our style does not allow implicit inte
rmacnak 2016/05/25 16:58:51 Factored out as IsABIPreservedRegister.
+ COMPILE_ASSERT((1 << ARGS_DESC_REG) & kAbiPreservedCpuRegs);
+ COMPILE_ASSERT((1 << CALLEE_SAVED_TEMP) & kAbiPreservedCpuRegs);
+ COMPILE_ASSERT(CALLEE_SAVED_TEMP != CODE_REG);
+ COMPILE_ASSERT(CALLEE_SAVED_TEMP != ARGS_DESC_REG);
+
// Save LR by moving it to a callee saved temporary register.
assembler->Comment("IntrinsicCallPrologue");
assembler->mov(CALLEE_SAVED_TEMP, Operand(LR));

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