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diff src/os_cpu/linux_x86/vm/bytes_linux_x86.inline.hpp @ 50:485d403e94e1

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6452081: 3/4 Allow for Linux builds with Sun Studio Linux compilers Summary: (for Serguei) Allow for Linux builds with Sun Studio Linux compilers Reviewed-by: sspitsyn, ohair
author dcubed
date Wed, 12 Mar 2008 18:37:03 -0700
parents a61af66fc99e
children d1605aabd0a1
line wrap: on
line diff
--- a/src/os_cpu/linux_x86/vm/bytes_linux_x86.inline.hpp	Wed Mar 12 18:09:34 2008 -0700
+++ b/src/os_cpu/linux_x86/vm/bytes_linux_x86.inline.hpp	Wed Mar 12 18:37:03 2008 -0700
@@ -60,7 +60,18 @@
 
 #ifdef AMD64
 inline u8 Bytes::swap_u8(u8 x) {
+#ifdef SPARC_WORKS
+  // workaround for SunStudio12 CR6615391
+  __asm__ __volatile__ (
+    "bswapq %0"
+    :"=r" (x)        // output : register 0 => x
+    :"0"  (x)        // input  : x => register 0
+    :"0"             // clobbered register
+  );
+  return x;
+#else
   return bswap_64(x);
+#endif
 }
 #else
 // Helper function for swap_u8