message: Alloy.py to recognize AVX1.1 arch reported by check_isa
diff: @@ -385,6 +385,8 @@ def check_targets():
  ["SSE2", "SSE4"], "-wsm", False]),
  ("AVX", [["avx1-i32x4", "avx1-i32x8", "avx1-i32x16", "avx1-i64x4"],
  ["SSE2", "SSE4", "AVX"], "-snb", False]),
  + ("AVX1.1", [["avx1-i32x4", "avx1-i32x8", "avx1-i32x16", "avx1-i64x4"],
  + ["SSE2", "SSE4", "AVX"], "-snb", False]),
  ("AVX2", [["avx2-i32x4", "avx2-i32x8", "avx2-i32x16", "avx2-i64x4", "avx2-i8x32", "avx2-i16x16"],
  ["SSE2", "SSE4", "AVX", "AVX2"], "-hsw", False]),
  ("KNL", [["avx512knl-x16"],
  