Merge pull request #5714 from alexischr/update_bockbuild

[mono.git] / mono / benchmark / regalloc-2.cs

diff --git a/mono/benchmark/regalloc-2.cs b/mono/benchmark/regalloc-2.cs
index f8b1eb698f80e133bdec7d7bcced0db4196bd4e9..69bb0c238f5ca930a18226a7c5b0a402255ea766 100644 (file)
--- a/mono/benchmark/regalloc-2.cs
+++ b/mono/benchmark/regalloc-2.cs
@@ -1,3 +1,15 @@
+//
+// Idealy, we would fold the operations from a...h into one long xor chain,
+// we could then commute the xor operation.
+//
+// More realisticly, we should assign each of a...h to one reg, rather than making
+// the two swap between two registers:
+//      (stind.i4 regvar[%edi] (xor (ldind.i4 regoffset[-0x18(%ebp)]) iconst[1]))
+//      (stind.i4 regvar[%esi] (xor (ldind.i4 regvar[%edi]) iconst[2]))
+//      (stind.i4 regvar[%edi] (xor (ldind.i4 regvar[%esi]) iconst[3]))
+//      (stind.i4 regvar[%esi] (xor (ldind.i4 regvar[%edi]) iconst[4]))
+//
+
 class T {
        static void Main ()
        {