Commit 66e61b55 authored by Aurelien Jarno's avatar Aurelien Jarno
Browse files

tcg/optimize: fix setcond2 optimization 



When setcond2 is rewritten into setcond, the state of the destination
temp should be reset, so that a copy of the previous value is not
used instead of the result.

Reported-by: default avatarMichael Tokarev <mjt@tls.msk.ru>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 47ec15cd

tcg/optimize.c

+1 −0
Original line number Diff line number Diff line
@@ -1057,6 +1057,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, 
                /* Simplify LT/GE comparisons vs zero to a single compare

                   vs the high word of the input.  */

                s->gen_opc_buf[op_index] = INDEX_op_setcond_i32;

                reset_temp(args[0]);

                gen_args[0] = args[0];

                gen_args[1] = args[2];

                gen_args[2] = args[4];