Re: [PATCH] combine: Correct cost calculation and display for split I2

2015-01-05 Thread Jeff Law
On 12/24/14 10:04, Segher Boessenkool wrote: If we have split a parallel I2 to two insns, we will count its RTL cost twice. This currently does not matter since the cost is 0 always (it is not a single set insn), but let's fix it anyway. Also do not display the fake I1 in the cost calculation i

[PATCH] combine: Correct cost calculation and display for split I2

2014-12-24 Thread Segher Boessenkool
If we have split a parallel I2 to two insns, we will count its RTL cost twice. This currently does not matter since the cost is 0 always (it is not a single set insn), but let's fix it anyway. Also do not display the fake I1 in the cost calculation in the dump file. Tested on powerpc64-linux. O