summaryrefslogtreecommitdiff
path: root/libavutil/x86/asm.h
diff options
context:
space:
mode:
authorMatt Oliver <protogonoi@gmail.com>2014-05-07 14:16:26 +1000
committerMichael Niedermayer <michaelni@gmx.at>2014-05-07 15:02:45 +0200
commit1898c2f49da3151fbce04ecf35971005707a609d (patch)
tree8a34d0bdd66b30c062c1a24d8bdf7b9759d40d2a /libavutil/x86/asm.h
parent134206ca7a3d395c827e6a041f7f01e5fb9e1693 (diff)
inline asm: fix arrays as named constraints.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/x86/asm.h')
-rw-r--r--libavutil/x86/asm.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/libavutil/x86/asm.h b/libavutil/x86/asm.h
index 5328e2bfc9..2cecc980a5 100644
--- a/libavutil/x86/asm.h
+++ b/libavutil/x86/asm.h
@@ -111,6 +111,8 @@ typedef int x86_reg;
# define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a)
# define NAMED_CONSTRAINTS_ADD(...)
# define NAMED_CONSTRAINTS(...)
+# define NAMED_CONSTRAINTS_ARRAY_ADD(...)
+# define NAMED_CONSTRAINTS_ARRAY(...)
#else
/* When direct symbol references are used in code passed to a compiler that does not support them
* then these references need to be converted to named asm constraints instead.
@@ -141,6 +143,10 @@ typedef int x86_reg;
# define NAMED_CONSTRAINTS_ADD(...) , FOR_EACH_VA(NAME_CONSTRAINT,__VA_ARGS__)
// Same but without comma for when there are no previously defined constraints
# define NAMED_CONSTRAINTS(...) FOR_EACH_VA(NAME_CONSTRAINT,__VA_ARGS__)
+ // Same as above NAMED_CONSTRAINTS except used for passing arrays/pointers instead of normal variables
+# define NAME_CONSTRAINT_ARRAY(x) [x] "m"(*x)
+# define NAMED_CONSTRAINTS_ARRAY_ADD(...) , FOR_EACH_VA(NAME_CONSTRAINT_ARRAY,__VA_ARGS__)
+# define NAMED_CONSTRAINTS_ARRAY(...) FOR_EACH_VA(NAME_CONSTRAINT_ARRAY,__VA_ARGS__)
#endif
#endif /* AVUTIL_X86_ASM_H */