Mercurial > hg > graal-compiler
diff src/cpu/x86/vm/assembler_x86.cpp @ 420:a1980da045cc
6462850: generate biased locking code in C2 ideal graph
Summary: Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never
author | kvn |
---|---|
date | Fri, 07 Nov 2008 09:29:38 -0800 |
parents | 2649e5276dd7 |
children | db4caa99ef11 |
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--- a/src/cpu/x86/vm/assembler_x86.cpp Thu Nov 06 20:00:03 2008 -0800 +++ b/src/cpu/x86/vm/assembler_x86.cpp Fri Nov 07 09:29:38 2008 -0800 @@ -621,6 +621,10 @@ debug_only(has_disp32 = true); break; + case 0xF0: // Lock + assert(os::is_MP(), "only on MP"); + goto again_after_prefix; + case 0xF3: // For SSE case 0xF2: // For SSE2 switch (0xFF & *ip++) {