http://llvm.org/bugs/show_bug.cgi?id=19243
Bug ID: 19243
Summary: Implement __builtin_stack_pointer
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
A problem found in the kernel and explained here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-October/066325.html
Hints at a new builtin to return the stack pointer register and avoid
constructs like:
register unsigned long current_stack_pointer asm("esp");
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