make __packed memory access default for gcc
authorYann Collet <cyan@fb.com>
Thu, 30 Mar 2017 19:22:17 +0000 (12:22 -0700)
committerYann Collet <cyan@fb.com>
Thu, 30 Mar 2017 19:22:17 +0000 (12:22 -0700)
commite2827775ee80d2ef985858727575df31fc60f1f3
tree0f5829b93279e4ac15df00a9ec74f0c27473db15
parent3d4ee35da4513d2dd00416d7b205f705a6931f35
make __packed memory access default for gcc

It's always as good or better then memcpy()
but depends on gcc-specific extension.

solves https://github.com/facebook/zstd/issues/620
lib/lz4.c