On Nov 8, 2018, Jeff Law wrote:
>> PR rtl-optimization/86438
>> * gcc.dg/torture/pr86438.c: New.
> OK.
Thanks. I ended up tweaking the test a bit further, when it occurred to
me that I might be able to trigger the same problem with -m32, but no
such luck. Here's the test I'm installing, inste
On 11/8/18 4:00 AM, Alexandre Oliva wrote:
> When in_a resolves to a register set in the prev_clobber insn, we may
> use the SET_SRC for the compare instead. However, when in_b so
> resolves, we proceed to use the reg with its earlier value. When both
> resolve to the same register and prev_clobb
When in_a resolves to a register set in the prev_clobber insn, we may
use the SET_SRC for the compare instead. However, when in_b so
resolves, we proceed to use the reg with its earlier value. When both
resolve to the same register and prev_clobber is an insn that modifies
the register, this arra