From e38329760e40a354e37d11c7f5d8c86cdb90736c Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 18 Sep 2012 19:11:32 +0200 Subject: [PATCH] tcg/optimize: optimize "op r, a, a => mov r, a" Now that we can easily detect all copies, we can optimize the "op r, a, a => mov r, a" case a bit more. Reviewed-by: Richard Henderson Signed-off-by: Aurelien Jarno Signed-off-by: Michael Roth --- tcg/optimize.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index aeb2225..b9a7da9 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -524,7 +524,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, switch (op) { CASE_OP_32_64(or): CASE_OP_32_64(and): - if (args[1] == args[2]) { + if (temps_are_copies(args[1], args[2])) { if (temps_are_copies(args[0], args[1])) { gen_opc_buf[op_index] = INDEX_op_nop; } else { -- 1.7.12.1