[dotgnu-pnet-commits] libjit ChangeLog jit/jit-insn.c

[Klaus Treichel]

CVSROOT:        /cvsroot/dotgnu-pnet
Module name:    libjit
Changes by:     Klaus Treichel <ktreichel>      08/05/04 16:53:08

Modified files:
        .              : ChangeLog 
        jit            : jit-insn.c 

Log message:
        Emit the check for null only if the value to check is nint constant != 
0 in
        jit_insn_check_null.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/libjit/ChangeLog?cvsroot=dotgnu-pnet&r1=1.368&r2=1.369
http://cvs.savannah.gnu.org/viewcvs/libjit/jit/jit-insn.c?cvsroot=dotgnu-pnet&r1=1.61&r2=1.62

Patches:
Index: ChangeLog
===================================================================
RCS file: /cvsroot/dotgnu-pnet/libjit/ChangeLog,v
retrieving revision 1.368
retrieving revision 1.369
diff -u -b -r1.368 -r1.369
--- ChangeLog   4 May 2008 15:06:33 -0000       1.368
+++ ChangeLog   4 May 2008 16:53:08 -0000       1.369
@@ -4,6 +4,9 @@
        register inhibited regardless if the value was already in the
        register or not.
 
+       * jit/jit-insn.c (jit_insn_check_null): Emit the check only if the
+       value to check is no nint constant != 0.
+
 2008-04-22  Aleksey Demakov  <address@hidden>
 
        * configure.in: update to modern autoconf, rename to configure.ac.

Index: jit/jit-insn.c
===================================================================
RCS file: /cvsroot/dotgnu-pnet/libjit/jit/jit-insn.c,v
retrieving revision 1.61
retrieving revision 1.62
diff -u -b -r1.61 -r1.62
--- jit/jit-insn.c      20 Apr 2008 20:24:58 -0000      1.61
+++ jit/jit-insn.c      4 May 2008 16:53:08 -0000       1.62
@@ -1850,6 +1850,11 @@
        {
                return 0;
        }
+       /* Do the check only if the value is no not Null constant */
+       if(value->is_nint_constant && (value->address != 0))
+       {
+               return 1;
+       }
        func->builder->may_throw = 1;
        return create_unary_note(func, JIT_OP_CHECK_NULL, value);
 }