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authorBruno Cardoso Lopes <bruno.cardoso@gmail.com>2007-08-28 05:13:42 +0000
committerBruno Cardoso Lopes <bruno.cardoso@gmail.com>2007-08-28 05:13:42 +0000
commit51195af45f4142035f23c7d58d1311face3900a4 (patch)
tree2a3ffb0b5664e8f53f7bc1e7a910fd3b4b550252 /lib/Target/Mips/MipsTargetMachine.cpp
parenta2b1bb5296624d32a200f9c53d6f26c0c9c3bddc (diff)
Added method to get Mips register numbers
Changed the stack frame layout, StackGrowsUp fits better to Mips strange stack. Stack offset calculation bug fixed! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41529 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsTargetMachine.cpp')
-rw-r--r--lib/Target/Mips/MipsTargetMachine.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 95db8242c7..372e267d46 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -31,13 +31,14 @@ createTargetAsmInfo() const
}
// DataLayout --> Big-endian, 32-bit pointer/ABI/alignment
-//
-// FrameInfo --> StackGrowsDown, 8 bytes aligned,
-// LOA : 0
+// The stack is always 8 byte aligned
+// On function prologue, the stack is created by decrementing
+// its pointer. Once decremented, all references are done with positive
+// offset from the stack/frame pointer, so StackGrowsUp is used.
MipsTargetMachine::
MipsTargetMachine(const Module &M, const std::string &FS):
Subtarget(*this, M, FS), DataLayout("E-p:32:32:32"),
- InstrInfo(*this), FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0),
+ InstrInfo(*this), FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
TLInfo(*this) {}
// return 0 and must specify -march to gen MIPS code.