Bug 1021716: SIMD x86x-64: Implement MSimdSwizzle; r=sunfish
Bug 1021716: SIMD x86-x64: Implement MSimdShuffleMix; r=sunfish
Bug 1021716: SIMD x86-x64: Implement generic binary shuffle; r=sunfish
Bug 1021716: SIMD: Use Swizzle rather than Shuffle at construction whenever possible; r=sunfish
Bug 1021716: SIMD: Use specific instructions for special cases; r=sunfish
Bug 1059408: Odin SIMD: Add support for swizzle and shuffle; r=luke