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authorAurelien Jarno <aurelien@aurel32.net>2012-09-06 16:47:14 +0200
committerAurelien Jarno <aurelien@aurel32.net>2012-09-11 18:05:56 +0200
commit38ee188b1b63606191c013046add021bdc6f1bfd (patch)
tree0569a86688a72d7bcf5cb469f3bdb21912cd3280
parent56e4943825e70a45d1fbba4fffa431000c6e1c7a (diff)
tcg/optimize: simplify or/xor r, a, 0 cases
or/xor r, a, 0 is equivalent to a mov r, a. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
-rw-r--r--tcg/optimize.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 63f970d045..0db849edbf 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -331,6 +331,8 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
CASE_OP_32_64(sar):
CASE_OP_32_64(rotl):
CASE_OP_32_64(rotr):
+ CASE_OP_32_64(or):
+ CASE_OP_32_64(xor):
if (temps[args[1]].state == TCG_TEMP_CONST) {
/* Proceed with possible constant folding. */
break;