1024 is some how too large for some kernels and may cause
some kernels fail to build due to lack of enough scratching
space.
Signed-off-by: Zhigang Gong <zhigang.g...@intel.com>
---
backend/src/llvm/llvm_to_gen.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/backend/src/llvm/llvm_to_gen.cpp b/backend/src/llvm/llvm_to_gen.cpp
index 24d4be7..551fd31 100644
--- a/backend/src/llvm/llvm_to_gen.cpp
+++ b/backend/src/llvm/llvm_to_gen.cpp
@@ -144,7 +144,7 @@ namespace gbe
MPM.add(createIndVarSimplifyPass()); // Canonicalize indvars
MPM.add(createLoopIdiomPass()); // Recognize idioms like
memset.
MPM.add(createLoopDeletionPass()); // Delete dead loops
- MPM.add(createLoopUnrollPass(1024)); //1024, 32, 1024, 512)); //Unroll
loops
+ MPM.add(createLoopUnrollPass(640)); //1024, 32, 1024, 512)); //Unroll loops
if(optLevel > 0) {
MPM.add(createSROAPass(/*RequiresDomTree*/ false));
MPM.add(createGVNPass()); // Remove redundancies
--
1.9.1
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