facebook
/
zstd
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix the build on GCC 4.x after 812e8f2a1 

The ancient GCC 4.x doesn't understand the "optimize" attribute until 4.4.
Fix the build on platforms with GCC 4.x < 4.4 by limiting the DONT_VECTORIZE
definition to GCC 5 and greater.

Noticed and patch proposed by Warner Losh <imp@FreeBSD.org>.
dev
Conrad Meyer 2019-08-08 14:16:36 -07:00
parent ff304e9e65
commit ff6c81d90c
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/common/compiler.h
View File

@ -128,7 +128,7 @@
}
/* vectorization */
#if !defined(__clang__) && defined(__GNUC__)
#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ >= 5
# define DONT_VECTORIZE __attribute__((optimize("no-tree-vectorize")))
#else
# define DONT_VECTORIZE