[ft-devel] [PATCH] FT_MulFix_arm clobbers the condition codes, so specify "cc" in the clobber list.

[Dave Thomas]

Hi,

I hit a bug in an iOS + ARM build of FreeType where the ADDS instruction in the
FT_MulFix_arm assembly fragment was clobbering condition codes. The following
patch adds "cc" to its clobber list.

Regards,
Dave

---
 include/freetype/config/ftconfig.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/freetype/config/ftconfig.h 
b/include/freetype/config/ftconfig.h
index 5628569..4502fd8 100644
--- a/include/freetype/config/ftconfig.h
+++ b/include/freetype/config/ftconfig.h
@@ -355,7 +355,8 @@ FT_BEGIN_HEADER
       "mov    %0, %1, lsr #16\n\t"      /* %0  = %1 >> 16 */
       "orr    %0, %0, %2, lsl #16\n\t"  /* %0 |= %2 << 16 */
       : "=r"(a), "=&r"(t2), "=&r"(t)
-      : "r"(a), "r"(b) );
+      : "r"(a), "r"(b)
+      : "cc" );
     return a;
   }
 
-- 
1.7.7.5 (Apple Git-26)