Author: yiran
Date: 2011-04-20 04:18:24 -0400 (Wed, 20 Apr 2011)
New Revision: 3564
Modified:
trunk/osprey/be/cg/x8664/ebo_special.cxx
Log:
Such a combination is abandoned for load-execution as the ld_op is a
load up higher part of a SSE register, while the alu_op is doing
conversion on the lower part (implicitly).
Modified: trunk/osprey/be/cg/x8664/ebo_special.cxx
===================================================================
--- trunk/osprey/be/cg/x8664/ebo_special.cxx 2011-04-20 08:16:00 UTC (rev
3563)
+++ trunk/osprey/be/cg/x8664/ebo_special.cxx 2011-04-20 08:18:24 UTC (rev
3564)
@@ -7858,6 +7858,12 @@
return Process_Side_Effects(opnd_tn, actual_tninfo, rval, opnds_swapped);
}
+ if ((OP_code(ld_op) == TOP_ldhps ||
+ OP_code(ld_op) == TOP_ldhpsx ||
+ OP_code(ld_op) == TOP_ldhpsxx) &&
+ OP_code(alu_op) == TOP_cvtps2pd)
+ return FALSE;
+
/* Check <index> and <base> will not be re-defined between
<ld_op> and <alu_op>, inclusive.
*/
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