On Tue, Aug 25, 2015 at 07:09:48PM -0500, Segher Boessenkool wrote:
> On Wed, Aug 26, 2015 at 08:40:49AM +0930, Alan Modra wrote:
> > On Tue, Aug 25, 2015 at 10:08:54AM -0700, Segher Boessenkool wrote:
> > > -(define_insn_and_split "*and3_imm_dot_shifted"
> > > - [(set (match_operand:CC 3 "cc_reg_
On Wed, Aug 26, 2015 at 08:40:49AM +0930, Alan Modra wrote:
> On Tue, Aug 25, 2015 at 10:08:54AM -0700, Segher Boessenkool wrote:
> > -(define_insn_and_split "*and3_imm_dot_shifted"
> > - [(set (match_operand:CC 3 "cc_reg_operand" "=x,?y")
> > +(define_insn "*and3_imm_dot_shifted"
> > + [(set (ma
On Tue, Aug 25, 2015 at 10:08:54AM -0700, Segher Boessenkool wrote:
> -(define_insn_and_split "*and3_imm_dot_shifted"
> - [(set (match_operand:CC 3 "cc_reg_operand" "=x,?y")
> +(define_insn "*and3_imm_dot_shifted"
> + [(set (match_operand:CC 3 "cc_reg_operand" "=x")
Is this really the best solut
On Tue, Aug 25, 2015 at 1:08 PM, Segher Boessenkool
wrote:
> The "*and3_imm_dot_shifted" pattern is a define_insn_and_split,
> like most "dot" patterns: if its output is not assigned cr0 but some
> other cr reg, it splits to a non-dot insn and a compare.
>
> Unfortunately that non-dot insn will cl
The "*and3_imm_dot_shifted" pattern is a define_insn_and_split,
like most "dot" patterns: if its output is not assigned cr0 but some
other cr reg, it splits to a non-dot insn and a compare.
Unfortunately that non-dot insn will clobber cr0 as well. We could
add another clobber (with "=X,x"), but t
