Re: [PATCH] lra: Clobbers in a parallel are earlyclobbers (PR83245)

2017-12-04 Thread Andreas Krebbel
On 12/04/2017 01:13 AM, Vladimir Makarov wrote: > > > On 12/02/2017 01:59 PM, Segher Boessenkool wrote: >> The documentation (rtl.texi) says: >> >>When a @code{clobber} expression for a register appears inside a >>@code{parallel} with other side effects, the register allocator >>

Re: [PATCH] lra: Clobbers in a parallel are earlyclobbers (PR83245)

2017-12-03 Thread Vladimir Makarov
On 12/02/2017 01:59 PM, Segher Boessenkool wrote: The documentation (rtl.texi) says: When a @code{clobber} expression for a register appears inside a @code{parallel} with other side effects, the register allocator guarantees that the register is unoccupied both before and after that

[PATCH] lra: Clobbers in a parallel are earlyclobbers (PR83245)

2017-12-02 Thread Segher Boessenkool
The documentation (rtl.texi) says: When a @code{clobber} expression for a register appears inside a @code{parallel} with other side effects, the register allocator guarantees that the register is unoccupied both before and after that insn if it is a hard register clobber. and at least