os
>>> Cc: gcc@gcc.gnu.org
>>> Subject: Re: Useless statement in loop latch looks like performance
>regression
>>>
>>> Most likely changes to SSA coalescing at out-of-SSA time like
>>>
>>> 2013-09-26 Richard Biener
>>>
>>
On 01/10/14 10:03, Paulo Matos wrote:
Paulo Matos
-Original Message-
From: Richard Biener [mailto:richard.guent...@gmail.com]
Sent: 10 January 2014 13:25
To: Paulo Matos
Cc: gcc@gcc.gnu.org
Subject: Re: Useless statement in loop latch looks like performance regression
Most likely
Paulo Matos
> -Original Message-
> From: Richard Biener [mailto:richard.guent...@gmail.com]
> Sent: 10 January 2014 13:25
> To: Paulo Matos
> Cc: gcc@gcc.gnu.org
> Subject: Re: Useless statement in loop latch looks like performance regression
>
> Most likely c
On Fri, Jan 10, 2014 at 2:17 PM, Paulo Matos wrote:
> Hello,
>
> I have been investigating a few loops and while looking at:
> void matrix_mul_vect(unsigned int N, int *C, short *A, short *B) {
> unsigned int i,j;
> for (i=0; i C[i]=0;
> for (j=0; jC[i]+=A[i*N+j] * B[j];
> }
> }
> }
>
Hello,
I have been investigating a few loops and while looking at:
void matrix_mul_vect(unsigned int N, int *C, short *A, short *B) {
unsigned int i,j;
for (i=0; i 64)
;; succ: 5 [91.0%] (FALLTHRU)
;; 6 [9.0%] (LOOP_EXIT)
;; lr out 6 [bp] 7 [sp] 16 [argp] 20 [frame]
