commit 61251c0c790d0a63468c8e3eb2767c1f4bf3654a
author Aurelien Jarno <aurelien@aurel32.net> Thu Sep 06 16:47:14 2012 +0200
committer Aurelien Jarno <aurelien@aurel32.net> Tue Sep 11 18:05:57 2012 +0200
tree 4185b54fc463c60cf5d662991102d0468b9637bb
parent 38ee188b1b63606191c013046add021bdc6f1bfd

tcg/optimize: simplify and r, a, 0 cases

and r, a, 0 is equivalent to a movi r, 0.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

tcg/optimize.c

diff --git a/tcg/optimize.c b/tcg/optimize.c
index 0db849e..c12cb2b 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -360,6 +360,7 @@
 
         /* Simplify expression for "op r, a, 0 => movi r, 0" cases */
         switch (op) {
+        CASE_OP_32_64(and):
         CASE_OP_32_64(mul):
             if ((temps[args[2]].state == TCG_TEMP_CONST
                 && temps[args[2]].val == 0)) {