Re: [PATCH] postreload: Fix up postreload combine [PR93402]

2020-01-23 Thread Jeff Law
On Thu, 2020-01-23 at 20:05 +0100, Richard Biener wrote: > On January 23, 2020 7:22:02 PM GMT+01:00, Jakub Jelinek > wrote: > > Hi! > > > > The following testcase is miscompiled, because the postreload pass > > changes: > > -(insn 14 13 23 2 (parallel [ > > -(set (reg:DI 1 dx [94]) >

Re: [PATCH] postreload: Fix up postreload combine [PR93402]

2020-01-23 Thread Richard Biener
On January 23, 2020 7:22:02 PM GMT+01:00, Jakub Jelinek wrote: >Hi! > >The following testcase is miscompiled, because the postreload pass >changes: >-(insn 14 13 23 2 (parallel [ >-(set (reg:DI 1 dx [94]) >-(plus:DI (reg:DI 1 dx [95]) >-(reg:DI 5 di

[PATCH] postreload: Fix up postreload combine [PR93402]

2020-01-23 Thread Jakub Jelinek
Hi! The following testcase is miscompiled, because the postreload pass changes: -(insn 14 13 23 2 (parallel [ -(set (reg:DI 1 dx [94]) -(plus:DI (reg:DI 1 dx [95]) -(reg:DI 5 di [92]))) -(clobber (reg:CC 17 flags)) -]) "pr93402.c"