Hal Finkel 0541722de4 PPC: Add base-pointer support to builtin setjmp/longjmp ... First, this changes the base-pointer implementation to remove an unnecessary complication (and one that is incompatible with how builtin SjLj is implemented): instead of using r31 as the base pointer when it is not needed as a frame pointer, now the base pointer will always be r30 when needed. Second, we introduce another pseudo register, BP, which is used just like the FP pseudo register to refer to the base register before we know for certain what register it will be. Third, we now save BP into the jmp_buf, and restore r30 from that slot in longjmp. If the function that called setjmp did not use a base pointer, then r30 will be overwritten by the setjmp-calling-function's restore code. FP restoration (which is restored into r31) works the same way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186545 91177308-0d34-0410-b5e6-96231b3b80d8		2013-07-17 23:50:51 +00:00
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Bitcode	Add some uncovered attribute tests	2013-07-17 22:13:44 +00:00
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CodeGen	PPC: Add base-pointer support to builtin setjmp/longjmp	2013-07-17 23:50:51 +00:00
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MC	Implement eret and deret(return from exception) instructions for Mips. Test examples are given.	2013-07-17 14:05:19 +00:00
Object	Split openFileForRead into Windows and Unix versions.	2013-07-17 14:58:25 +00:00
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Transforms	Restore r181216, which was partially reverted in r182499.	2013-07-17 20:06:03 +00:00
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