Hello!
> This is actually Jakub's patch from the PR, with a few minor tweaks that were
> needed to bootstrap
> and pass the regression suite. The splitter was using operand 0 without
> setting it first. It should've
> been operand 2. Also, there was a division by zero that was causing an
> invalid insn; fixed by
> changing the INTVAL + 2 into INTVAL - 2. Finally, a reload_completed was
> added at Jakub's
> request.
PR rtl-optimization/65220
* config/i386/i386.md (*udivmod<mode>4_pow2): New.
+ "UINTVAL (operands[3]) - 2 < <MODE_SIZE> * BITS_PER_UNIT
+ && (UINTVAL (operands[3]) & (UINTVAL (operands[3]) - 1)) == 0"
+ "#"
+ "reload_completed"
This should be "&& reload_completed", so it will also include the
above condition in the split condition.
OK for mainline with the above change.
Thanks,
Uros.
