Re: [PATCH 2/3] reorganize simplification of ZEXT(TRUNC(x))

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On 16/08/18 21:51, Luc Van Oostenryck wrote:
> In preparation for the simplification of TRUNC(TRUNC(x)),
> slightly reorganize the code doing the siplification of

s/sipl/simpl/

ATB,
Ramsay Jones

> ZEXT(TRUNC(x)).
> 
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
> ---
>  simplify.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/simplify.c b/simplify.c
> index ef98b205a..f8caa3512 100644
> --- a/simplify.c
> +++ b/simplify.c
> @@ -1292,8 +1292,10 @@ static int simplify_cast(struct instruction *insn)
>  		}
>  		break;
>  	case OP_TRUNC:
> -		osize = def->orig_type->bit_size;
> -		if (insn->opcode == OP_ZEXT && size == osize) {
> +		switch (insn->opcode) {
> +		case OP_ZEXT:
> +			if (size != def->orig_type->bit_size)
> +				break;
>  			insn->opcode = OP_AND;
>  			insn->src2 = value_pseudo((1ULL << def->size) - 1);
>  			return replace_pseudo(insn, &insn->src1, def->src);
> 



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