Mercurial > hg > graal-jvmci-8

diff src/cpu/x86/vm/c1_LIRAssembler_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 fc2c71045ada
children 9f5b60a14736
line wrap: on
line diff
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Thu Apr 08 10:55:40 2010 +0200
+++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Thu Apr 08 12:13:07 2010 -0700
@@ -2690,19 +2690,14 @@
   } else {
     assert(code == lir_cmp_l2i, "check");
 #ifdef _LP64
-      Register dest = dst->as_register();
-      __ xorptr(dest, dest);
-      Label high, done;
-      __ cmpptr(left->as_register_lo(), right->as_register_lo());
-      __ jcc(Assembler::equal, done);
-      __ jcc(Assembler::greater, high);
-      __ decrement(dest);
-      __ jmp(done);
-      __ bind(high);
-      __ increment(dest);
-
-      __ bind(done);
-
+    Label done;
+    Register dest = dst->as_register();
+    __ cmpptr(left->as_register_lo(), right->as_register_lo());
+    __ movl(dest, -1);
+    __ jccb(Assembler::less, done);
+    __ set_byte_if_not_zero(dest);
+    __ movzbl(dest, dest);
+    __ bind(done);
 #else
     __ lcmp2int(left->as_register_hi(),
                 left->as_register_lo(),