On Mon, Jan 19, 2015 at 01:53:06AM -0500, Hans-Peter Nilsson wrote:
> On Mon, 8 Dec 2014, Segher Boessenkool wrote:
>
> > A lot of old user code clobbers the carry bit without telling the compiler
> > about it. This used to just work, because the compiler never used the bit
> > outside of a singl
On Mon, 8 Dec 2014, Segher Boessenkool wrote:
> A lot of old user code clobbers the carry bit without telling the compiler
> about it. This used to just work, because the compiler never used the bit
> outside of a single RTL instruction. But that will change. Let's clobber
> the carry bit in ev
On 12/08/2014 06:25 AM, David Edelsohn wrote:
> Okay. I don't know of another option that preserves backward
> compatibility. If RTH looks at this series of patches, he may have a
> better suggestion.
No, this looks like what I'd do.
Indeed, I added this hook back when the i386 port gained dire
On Mon, Dec 8, 2014 at 9:18 AM, Segher Boessenkool
wrote:
> A lot of old user code clobbers the carry bit without telling the compiler
> about it. This used to just work, because the compiler never used the bit
> outside of a single RTL instruction. But that will change. Let's clobber
> the car