From d8f8f5847631aeff4714d42ae762c2c2266dcb23 Mon Sep 17 00:00:00 2001 From: Hal Finkel Date: Wed, 3 Apr 2013 14:25:55 +0000 Subject: [PATCH] Remove some obsolete PowerPC/README entries git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178657 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/README.txt | 20 -------------------- 1 file changed, 20 deletions(-) diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt index 9a7902a82d6..cc2ff966332 100644 --- a/lib/Target/PowerPC/README.txt +++ b/lib/Target/PowerPC/README.txt @@ -203,12 +203,6 @@ http://gcc.gnu.org/ml/gcc-patches/2006-02/msg00133.html ===-------------------------------------------------------------------------=== -Implement Newton-Rhapson method for improving estimate instructions to the -correct accuracy, and implementing divide as multiply by reciprocal when it has -more than one use. Itanium would want this too. - -===-------------------------------------------------------------------------=== - Compile offsets from allocas: int *%test() { @@ -535,20 +529,6 @@ void func(unsigned int *ret, float dx, float dy, float dz, float dw) { ===-------------------------------------------------------------------------=== -Complete the signed i32 to FP conversion code using 64-bit registers -transformation, good for PI. See PPCISelLowering.cpp, this comment: - - // FIXME: disable this lowered code. This generates 64-bit register values, - // and we don't model the fact that the top part is clobbered by calls. We - // need to flag these together so that the value isn't live across a call. - //setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom); - -Also, if the registers are spilled to the stack, we have to ensure that all -64-bits of them are save/restored, otherwise we will miscompile the code. It -sounds like we need to get the 64-bit register classes going. - -===-------------------------------------------------------------------------=== - %struct.B = type { i8, [3 x i8] } define void @bar(%struct.B* %b) { -- 2.11.0