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Re: [PATCH 1/2] Introduce prefetch-minimum stride option
On Wed, May 23, 2018 at 3:41 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Wed, May 23, 2018 at 3:35 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
>
>>>
>>> Sorry. Does the following fix it for i686?
>>>
>>
>> Index: gcc/tree-ssa-loop-prefetch.c
>> ===================================================================
>> --- gcc/tree-ssa-loop-prefetch.c (revision 260625)
>> +++ gcc/tree-ssa-loop-prefetch.c (working copy)
>> @@ -1014,7 +1014,8 @@
>> fprintf (dump_file,
>> "Step for reference %u:%u (%ld) is less than the mininum "
>> ^^^ Please use
>> HOST_WIDE_INT_PRINT_DEC
>> "required stride of %d\n",
>> - ref->group->uid, ref->uid, int_cst_value (ref->group->step),
>> + ref->group->uid, ref->uid,
>> + (HOST_WIDE_INT) int_cst_value (ref->group->step),
>> PREFETCH_MINIMUM_STRIDE);
>>
>>
>
> Something like this.
>
> --
> H.J.
> ---
> diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c
> index c3e7fd1e529..949a67f360e 100644
> --- a/gcc/tree-ssa-loop-prefetch.c
> +++ b/gcc/tree-ssa-loop-prefetch.c
> @@ -1012,8 +1012,8 @@ should_issue_prefetch_p (struct mem_ref *ref)
> {
> if (dump_file && (dump_flags & TDF_DETAILS))
> fprintf (dump_file,
> - "Step for reference %u:%u (%ld) is less than the mininum "
> - "required stride of %d\n",
> + "Step for reference %u:%u (" HOST_WIDE_INT_PRINT_C
> + ") is less than the mininum required stride of %d\n",
> ref->group->uid, ref->uid, int_cst_value (ref->group->step),
> PREFETCH_MINIMUM_STRIDE);
> return false;
I meant:
diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c
index c3e7fd1e529..e34b78dc186 100644
--- a/gcc/tree-ssa-loop-prefetch.c
+++ b/gcc/tree-ssa-loop-prefetch.c
@@ -1012,8 +1012,8 @@ should_issue_prefetch_p (struct mem_ref *ref)
{
if (dump_file && (dump_flags & TDF_DETAILS))
fprintf (dump_file,
- "Step for reference %u:%u (%ld) is less than the mininum "
- "required stride of %d\n",
+ "Step for reference %u:%u (" HOST_WIDE_INT_PRINT_DEC
+ ") is less than the mininum required stride of %d\n",
ref->group->uid, ref->uid, int_cst_value (ref->group->step),
PREFETCH_MINIMUM_STRIDE);
return false;
--
H.J.