search for: r177835

Displaying 3 results from an estimated 3 matches for "r177835".

[LLVMdev] Types vs. register classes in instruction patterns -- effect on FastISel
2013 May 17
2
[LLVMdev] Types vs. register classes in instruction patterns -- effect on FastISel
...ew=revision&revision=177889 and http://llvm.org/viewvc/llvm-project?view=revision&revision=177890 (along with some follow-up patches) the PowerPC back end was changed to use types instead of register classes in instruction patterns. This matched similar changes that Jakob made for Sparc in r177835. I've recently come across an unpleasant side-effect of this change. I started looking at implementing FastISel for PPC64, and discovered that practically all of our patterns were rejected when looking for simple patterns eligible for FastEmit_*. Stepping through the tablegen code showed tha...
[LLVMdev] Types vs. register classes in instruction patterns -- effect on FastISel
2013 May 17
0
[LLVMdev] Types vs. register classes in instruction patterns -- effect on FastISel
...sion=177889 and > http://llvm.org/viewvc/llvm-project?view=revision&revision=177890 (along > with some follow-up patches) the PowerPC back end was changed to use > types instead of register classes in instruction patterns. This matched > similar changes that Jakob made for Sparc in r177835. > > I've recently come across an unpleasant side-effect of this change. I > started looking at implementing FastISel for PPC64, and discovered that > practically all of our patterns were rejected when looking for simple > patterns eligible for FastEmit_*. Stepping through the...
[LLVMdev] Types vs. register classes in instruction patterns -- effect on FastISel
2013 May 19
1
[LLVMdev] Types vs. register classes in instruction patterns -- effect on FastISel
...> http://llvm.org/viewvc/llvm-project?view=revision&revision=177890 (along > > with some follow-up patches) the PowerPC back end was changed to use > > types instead of register classes in instruction patterns. This matched > > similar changes that Jakob made for Sparc in r177835. > > > > I've recently come across an unpleasant side-effect of this change. I > > started looking at implementing FastISel for PPC64, and discovered that > > practically all of our patterns were rejected when looking for simple > > patterns eligible for FastEmit...