Message ID | 1348084823-18277-6-git-send-email-aurelien@aurel32.net |
---|---|
State | New |
Headers | show |
On 09/19/2012 01:00 PM, Aurelien Jarno wrote: > Now that we can easily detect all copies, we can optimize the > "op r, a, a => mov r, a" case a bit more. > > Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Richard Henderson <rth@twiddle.net> r~
diff --git a/tcg/optimize.c b/tcg/optimize.c index a58de3b..cfee690 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -503,7 +503,7 @@ 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 {
Now that we can easily detect all copies, we can optimize the "op r, a, a => mov r, a" case a bit more. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> --- tcg/optimize.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)