diff --git a/fail_db.txt b/fail_db.txt
index 367cdf18..b3163869 100644
--- a/fail_db.txt
+++ b/fail_db.txt
@@ -914,45 +914,11 @@
 ./tests/funcptr-null-4.ispc runfail  x86-64     sse4-i8x16   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/funcptr-null-5.ispc runfail  x86-64     sse4-i8x16   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/funcptr-null-6.ispc runfail  x86-64     sse4-i8x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-down-int8.ispc compfail     x86    avx1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-up-int8.ispc compfail     x86    avx1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-down-int8.ispc compfail  x86-64    avx1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-up-int8.ispc compfail  x86-64    avx1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/ptr-assign-lhs-math-1.ispc compfail  x86-64      generic-4   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/short-vec-8.ispc compfail  x86-64      generic-4   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/test-141.ispc runfail  x86-64     generic-16   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/test-143.ispc runfail  x86-64     generic-16   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/ptr-assign-lhs-math-1.ispc compfail  x86-64     generic-16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-down-int8.ispc compfail     x86  avx1.1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-up-int8.ispc compfail     x86  avx1.1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-down-int8.ispc compfail  x86-64  avx1.1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/avg-up-int8.ispc compfail  x86-64  avx1.1-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/atomics-varyingptr-2.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/atomics-varyingptr-3.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/atomics-varyingptr-4.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-11.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-12.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-13.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-4.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-5.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-6.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-7.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-8.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-swap.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-varyingptr-2.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-varyingptr-3.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/local-atomics-varyingptr-4.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/memset-varying.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-1.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-12.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-13.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-2.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-3.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-4.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-5.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-6.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal-7.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
-./tests/reduce-equal.ispc compfail  x86-64     avx2-i32x8   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/test-141.ispc runfail     x86    avx2-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/test-141.ispc runfail  x86-64    avx2-i32x16   Linux LLVM 3.4 clang++3.3 -O2 *
 ./tests/atomics-13.ispc compfail     x86     sse4-i16x8     Mac LLVM 3.3 clang++3.3 -O2 *