On Sun, Sep 29, 2019 at 04:32:13PM -0600, Jeff Law wrote:
> On 9/25/19 9:52 AM, Richard Sandiford wrote:
> > gcc/
> > * combine.c: Include function-abi.h.
> > (record_dead_and_set_regs): Use insn_callee_abi to get the ABI
> > of the target of call insns. Invalidate partially-clobbered
On 9/25/19 9:52 AM, Richard Sandiford wrote:
> Segher Boessenkool writes:
>> Hi Richard,
>>
>> Sorry this too me so long to get back to.
>>
>> On Thu, Sep 12, 2019 at 08:51:59AM +0100, Richard Sandiford wrote:
>>> Segher Boessenkool writes:
On Wed, Sep 11, 2019 at 08:08:38PM +0100, Richard
On Wed, Sep 25, 2019 at 04:52:14PM +0100, Richard Sandiford wrote:
> Segher Boessenkool writes:
> > On Thu, Sep 12, 2019 at 08:51:59AM +0100, Richard Sandiford wrote:
> >> Segher Boessenkool writes:
> >> > It is not such a great name like that. Since its children are
> >> > very_long_names, it
Segher Boessenkool writes:
> Hi Richard,
>
> Sorry this too me so long to get back to.
>
> On Thu, Sep 12, 2019 at 08:51:59AM +0100, Richard Sandiford wrote:
>> Segher Boessenkool writes:
>> > On Wed, Sep 11, 2019 at 08:08:38PM +0100, Richard Sandiford wrote:
>> >>hard_reg_set_iterator
Hi Richard,
Sorry this too me so long to get back to.
On Thu, Sep 12, 2019 at 08:51:59AM +0100, Richard Sandiford wrote:
> Segher Boessenkool writes:
> > On Wed, Sep 11, 2019 at 08:08:38PM +0100, Richard Sandiford wrote:
> >>hard_reg_set_iterator hrsi;
> >> -
Segher Boessenkool writes:
> On Wed, Sep 11, 2019 at 08:08:38PM +0100, Richard Sandiford wrote:
>>hard_reg_set_iterator hrsi;
>> - EXECUTE_IF_SET_IN_HARD_REG_SET (regs_invalidated_by_call, 0, i, hrsi)
>> + EXECUTE_IF_SET_IN_HARD_REG_SET (abi.full_and_partial_reg_clobbers (),
>>
On Wed, Sep 11, 2019 at 08:08:38PM +0100, Richard Sandiford wrote:
>hard_reg_set_iterator hrsi;
> - EXECUTE_IF_SET_IN_HARD_REG_SET (regs_invalidated_by_call, 0, i, hrsi)
> + EXECUTE_IF_SET_IN_HARD_REG_SET (abi.full_and_partial_reg_clobbers (),
> +
There shouldn't be many cases in which a useful hard register is
live across a call before RA, so we might as well keep things simple
and invalidate partially-clobbered registers here, in case the values
they hold leak into the call-clobbered part. In principle this is
a bug fix for
