Changes in directory llvm/include/llvm/Target:
TargetLowering.h updated: 1.77 -> 1.78
---
Log message:
add setJumpBufSize() and setJumpBufAlignment() to target-lowering.
Call these from your backend to enjoy setjmp/longjmp goodness, see
lib/Target/IA64/IA64ISelLowering.cpp for an example
---
Diffs of the changes: (+31 -0)
TargetLowering.h | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+)
Index: llvm/include/llvm/Target/TargetLowering.h
diff -u llvm/include/llvm/Target/TargetLowering.h:1.77
llvm/include/llvm/Target/TargetLowering.h:1.78
--- llvm/include/llvm/Target/TargetLowering.h:1.77 Mon Jun 12 11:06:08 2006
+++ llvm/include/llvm/Target/TargetLowering.h Mon Sep 4 01:21:35 2006
@@ -327,6 +327,18 @@
return StackPointerRegisterToSaveRestore;
}
+ /// getJumpBufSize - returns the target's jmp_buf size in bytes (if never
+ /// set, the default is 200)
+ unsigned getJumpBufSize() const {
+ return JumpBufSize;
+ }
+
+ /// getJumpBufAlignment - returns the target's jmp_buf alignment in bytes
+ /// (if never set, the default is 0)
+ unsigned getJumpBufAlignment() const {
+ return JumpBufAlignment;
+ }
+
//===--------------------------------------------------------------------===//
// TargetLowering Optimization Methods
//
@@ -537,6 +549,18 @@
TargetDAGCombineArray[NT >> 3] |= 1 << (NT&7);
}
+ /// setJumpBufSize - Set the target's required jmp_buf buffer size (in
+ /// bytes); default is 200
+ void setJumpBufSize(unsigned Size) {
+ JumpBufSize = Size;
+ }
+
+ /// setJumpBufAlignment - Set the target's required jmp_buf buffer
+ /// alignment (in bytes); default is 0
+ void setJumpBufAlignment(unsigned Align) {
+ JumpBufAlignment = Align;
+ }
+
public:
//===--------------------------------------------------------------------===//
@@ -718,6 +742,13 @@
/// _longjmp to implement llvm.setjmp/llvm.longjmp. Defaults to false.
bool UseUnderscoreSetJmpLongJmp;
+ /// JumpBufSize - The size, in bytes, of the target's jmp_buf buffers
+ unsigned JumpBufSize;
+
+ /// JumpBufAlignment - The alignment, in bytes, of the target's jmp_buf
+ /// buffers
+ unsigned JumpBufAlignment;
+
/// StackPointerRegisterToSaveRestore - If set to a physical register, this
/// specifies the register that llvm.savestack/llvm.restorestack should save
/// and restore.
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