[xiph-commits] r17249 - experimental/derf/theora-ptalarbvorm/lib/x86

[tterribe at svn.xiph.org]

Author: tterribe
Date: 2010-05-28 00:09:00 -0700 (Fri, 28 May 2010)
New Revision: 17249

Modified:
   experimental/derf/theora-ptalarbvorm/lib/x86/x86int.h
Log:
Fix new OC_MEM_OFFS macro to allow compilion with gcc 3.x.
This will generate warnings in the assembler, but the code should work.


Modified: experimental/derf/theora-ptalarbvorm/lib/x86/x86int.h
===================================================================
--- experimental/derf/theora-ptalarbvorm/lib/x86/x86int.h	2010-05-28 06:29:12 UTC (rev 17248)
+++ experimental/derf/theora-ptalarbvorm/lib/x86/x86int.h	2010-05-28 07:09:00 UTC (rev 17249)
@@ -24,8 +24,17 @@
 
 /*Memory operands do not always include an offset.
   To avoid warnings, we force an offset with %H (which adds 8).*/
-#define OC_MEM_OFFS(_offs,_name) \
+# if defined(__GNUC_PREREQ)
+#  if __GNUC_PREREQ(4,0)
+#   define OC_MEM_OFFS(_offs,_name) \
   OC_M2STR(_offs-8+%H[_name])
+#  endif
+# endif
+/*If your gcc version does't support %H, then you get to suffer the warnings.*/
+# if !defined(OC_MEM_OFFS)
+#  define OC_MEM_OFFS(_offs,_name) \
+  OC_M2STR(_offs+%[_name])
+# endif
 
 /*Declare an array operand with an exact size.
   This tells gcc we're going to clobber this memory region, without having to