On Thu, Mar 18, 2010 at 2:30 AM, Jim Wilson wrote:
> On Wed, 2010-03-17 at 11:27 +0800, fanqifei wrote:
>> You are correct. The reload pass emitted the clr.w insn.
>> However, I can see loop opt passes after reload:
>> problem1.c.174r.loop2_invariant1
>
> Not unless you have a modified toolchain.
On Wed, 2010-03-17 at 11:27 +0800, fanqifei wrote:
> You are correct. The reload pass emitted the clr.w insn.
> However, I can see loop opt passes after reload:
> problem1.c.174r.loop2_invariant1
Not unless you have a modified toolchain. We don't run loop opt after
register allocation. See the l
On Mon, Mar 15, 2010 at 5:24 AM, Jim Wilson wrote:
> On 03/10/2010 10:48 PM, fanqifei wrote:
>>
>> For below piece of code, the instruction "clr.w a15" obviously doesn't
>> belong to the inner loop.
>> 6: bd f4 clr.w a15; #clear to zero
>> 8: 80 af 00 std.w a10 0x0 a15;
On 03/10/2010 10:48 PM, fanqifei wrote:
For below piece of code, the instruction "clr.w a15" obviously doesn't
belong to the inner loop.
6: bd f4clr.w a15; #clear to zero
8: 80 af 00std.w a10 0x0 a15;
There is info lacking here. Did you compile with optimization
