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runtime: use LLVM intrinsic to read the stack pointer

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This should result in smaller code.
This commit is contained in:
Ayke van Laethem
2021-11-27 14:34:34 +01:00
committed by Ron Evans
parent 3d73ee77d3
commit 74b20ca234
10 changed files with 17 additions and 28 deletions
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src/runtime/arch_cortexm.go
+1 -1
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@@ -17,7 +17,7 @@ func align(ptr uintptr) uintptr {
}
func getCurrentStackPointer() uintptr {
return arm.AsmFull("mov {}, sp", nil)
return uintptr(stacksave())
}
// Documentation: