From: Steve MacLean, Qualcomm Datacenter Technologies, Inc <sdmaclea@qti.qualcomm.com>
Date: Wed, 15 Mar 2017 23:21:04 +0000 (+0000)
Subject: [Arm64] Simplify trackedStackPtrsContig logic
X-Git-Tag: submit/tizen/20210909.063632~11030^2~7408^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5d32087d498b288a46bc391d94e022ff3c544f90;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

[Arm64] Simplify trackedStackPtrsContig logic

Follow amd64 example and always mark stk-ptrs discontiguous


Commit migrated from https://github.com/dotnet/coreclr/commit/c43abaf6e6e0adc64d2b9d828a7b87041d719b95
---

diff --git a/src/coreclr/src/jit/codegencommon.cpp b/src/coreclr/src/jit/codegencommon.cpp
index 90a9149..bb03295 100644
--- a/src/coreclr/src/jit/codegencommon.cpp
+++ b/src/coreclr/src/jit/codegencommon.cpp
@@ -3150,14 +3150,11 @@ void CodeGen::genGenerateCode(void** codePtr, ULONG* nativeSizeOfCode)
 
     bool trackedStackPtrsContig; // are tracked stk-ptrs contiguous ?
 
-#ifdef _TARGET_AMD64_
+#if defined(_TARGET_AMD64_) || defined(_TARGET_ARM64_)
     trackedStackPtrsContig = false;
 #elif defined(_TARGET_ARM_)
     // On arm due to prespilling of arguments, tracked stk-ptrs may not be contiguous
     trackedStackPtrsContig = !compiler->opts.compDbgEnC && !compiler->compIsProfilerHookNeeded();
-#elif defined(_TARGET_ARM64_)
-    // Incoming vararg registers are homed on the top of the stack. Tracked var may not be contiguous.
-    trackedStackPtrsContig = !compiler->opts.compDbgEnC && !compiler->info.compIsVarArgs;
 #else
     trackedStackPtrsContig = !compiler->opts.compDbgEnC;
 #endif