dmikushin created this revision.
Herald added a subscriber: cfe-commits.
dmikushin added a reviewer: asl.
> 3.3.9 Frame Pointer
> MSP430 does not use a frame pointer. This effectively limits a single call
> frame to 0x7fff bytes, which is the minimum SP offset supported by any
> instruction
We do allow user to manually enable frame pointer. GCC toolchain uses the same
behavior.
Repository:
rC Clang
https://reviews.llvm.org/D56925
Files:
lib/Driver/ToolChains/Clang.cpp
Index: lib/Driver/ToolChains/Clang.cpp
===================================================================
--- lib/Driver/ToolChains/Clang.cpp
+++ lib/Driver/ToolChains/Clang.cpp
@@ -519,10 +519,10 @@
case llvm::Triple::xcore:
case llvm::Triple::wasm32:
case llvm::Triple::wasm64:
+ case llvm::Triple::msp430:
// XCore never wants frame pointers, regardless of OS.
// WebAssembly never wants frame pointers.
return false;
- case llvm::Triple::msp430:
case llvm::Triple::riscv32:
case llvm::Triple::riscv64:
return !areOptimizationsEnabled(Args);
Index: lib/Driver/ToolChains/Clang.cpp
===================================================================
--- lib/Driver/ToolChains/Clang.cpp
+++ lib/Driver/ToolChains/Clang.cpp
@@ -519,10 +519,10 @@
case llvm::Triple::xcore:
case llvm::Triple::wasm32:
case llvm::Triple::wasm64:
+ case llvm::Triple::msp430:
// XCore never wants frame pointers, regardless of OS.
// WebAssembly never wants frame pointers.
return false;
- case llvm::Triple::msp430:
case llvm::Triple::riscv32:
case llvm::Triple::riscv64:
return !areOptimizationsEnabled(Args);
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