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diff src/cpu/x86/vm/assembler_x86.cpp @ 1369:0a43776437b6

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6942223: c1 64 bit fixes Summary: This fixes lir_cmp_l2i on x64 and sparc 64bit, and the debug info generation. Reviewed-by: never
author iveresov
date Thu, 08 Apr 2010 12:13:07 -0700
parents 2484f4d6a54e
children 3483ec571caf cff162798819 c640000b7cc1
line wrap: on
line diff
--- a/src/cpu/x86/vm/assembler_x86.cpp	Thu Apr 08 10:55:40 2010 +0200
+++ b/src/cpu/x86/vm/assembler_x86.cpp	Thu Apr 08 12:13:07 2010 -0700
@@ -3365,6 +3365,13 @@
 
 #else // LP64
 
+void Assembler::set_byte_if_not_zero(Register dst) {
+  int enc = prefix_and_encode(dst->encoding(), true);
+  emit_byte(0x0F);
+  emit_byte(0x95);
+  emit_byte(0xE0 | enc);
+}
+
 // 64bit only pieces of the assembler
 // This should only be used by 64bit instructions that can use rip-relative
 // it cannot be used by instructions that want an immediate value.