LDC 0.13.0 alpha released! Please help test!
Ilya Yaroshenko
ilyayaroshenko at gmail.com
Sat Feb 15 12:14:59 PST 2014
Hi Kai,
It is still does not vectorize with merge-2.064 (merge-2.065)
I use ldc2 -03 -release
ldmd2 output:
LDC - the LLVM D compiler (27c078):
based on DMD v2.064 and LLVM 3.4
Default target: x86_64-pc-linux-gnu
Host CPU: core-avx-i
Examples:
==========================================================
void scale(T)(T[] a, T b)
{
foreach(ref ae; a)
ae *= b;
}
==========================================================
.cfi_startproc
testq %rdi, %rdi
je .LBB7_2
.align 16, 0x90
.LBB7_1:
vmulss (%rsi), %xmm0, %xmm1
vmovss %xmm1, (%rsi)
addq $4, %rsi
decq %rdi
jne .LBB7_1
.LBB7_2:
ret
==========================================================
void substract(T)(T[] c, in T[] a, in T[] b)
{
foreach(i, ref ce; c)
ce = a[i]-b[i];
}
==========================================================
.cfi_startproc
pushq %rax
.Ltmp33:
.cfi_def_cfa_offset 16
xorl %eax, %eax
testq %r8, %r8
je .LBB6_4
.align 16, 0x90
.LBB6_1:
cmpq %rdx, %rax
jae .LBB6_5
cmpq %rdi, %rax
jae .LBB6_5
vmovsd (%rcx,%rax,8), %xmm0
vsubsd (%rsi,%rax,8), %xmm0, %xmm0
vmovsd %xmm0, (%r9,%rax,8)
incq %rax
cmpq %r8, %rax
jb .LBB6_1
.LBB6_4:
popq %rax
ret
==========================================================
Regards,
Ilya
On Tuesday, 4 February 2014 at 06:24:02 UTC, Kai Nacke wrote:
> On Monday, 3 February 2014 at 17:57:50 UTC, Kai Nacke wrote:
>> On Monday, 3 February 2014 at 07:37:50 UTC, Ilya Yaroshenko
>> wrote:
>>> On Monday, 3 February 2014 at 00:12:08 UTC, bearophile wrote:
>>>> Ilya Yaroshenko:
>>>>
>>>>> There is only -vectorize-slp but no -vectorize.
>>>>
>>>> Isn't -vectorize implicit in -O3 (Perhaps even in -O2)?
>>>>
>>>> Bye,
>>>> bearophile
>>>
>>> No, even with -03 -release =(.
>>>
>>> Best Regards,
>>> Ilya
>>
>> Hi Ilya,
>>
>> your command line looks ok. I think there is a bug in the
>> command line arguments.
>> I try to fix it now.
>>
>> Regards,
>> Kai
>
> Is fixed in the merge-2.064 branch and will be in next alpha
> release.
>
> Regards,
> Kai
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