6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-09-29 13:54:57 +00:00
Code Issues Projects Releases Wiki Activity

Override the TLI callback enableAggressiveFMAFusion and return true. Indeed, fmul, fmadd and fadd nodes cost the same number of cycles, so we can enable more combining heuristics to produce more fmadd nodes.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225984 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Olivier Sallenave 2015-01-14 14:47:24 +00:00
parent 5f92811f30
commit 01cef58e6b
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/Target/NVPTX/NVPTXISelLowering.h
View File

@ -507,6 +507,8 @@ public:
bool isFMAFasterThanFMulAndFAdd(EVT) const override { return true; }
bool enableAggressiveFMAFusion(EVT VT) const override { return true; }
private:
const NVPTXSubtarget &nvptxSubtarget; // cache the subtarget here