From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- .../testsuite/gcc.dg/vect/vect-double-reduc-2.c | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-2.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-2.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-2.c new file mode 100644 index 000000000..50d014174 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-2.c @@ -0,0 +1,55 @@ +/* { dg-require-effective-target vect_int_mult } */ + +#include +#include "tree-vect.h" + +#define K 32 + +int in[2*K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +int coeff[K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +int out[K]; +int check_result[K] = {357184,339264,321344,303424,285504,267584,249664,231744,213824,195904,177984,160064,142144,124224,106304,88384,70464,52544,34624,16704,-1216,-19136,-37056,-54976,-72896,-90816,-108736,-126656,-144576,-162496,-180416,-198336}; + +__attribute__ ((noinline)) void +foo () +{ + int res = 0, i, j, k; + + for (k = 0; k < K; k++) + { + res = 1000000; + for (j = 0; j < K; j++) + for (i = 0; i < K; i++) + res -= in[i+k][j] * coeff[i][j]; + + out[k] = res; + } +} + +int main () +{ + int i, j, k; + + check_vect (); + + for (j = 0; j < K; j++) + { + for (i = 0; i < 2*K; i++) + in[i][j] = i+j; + + for (i = 0; i < K; i++) + coeff[i][j] = i+2; + } + + foo(); + + for (k = 0; k < K; k++) + if (out[k] != check_result[k]) + abort (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + -- cgit v1.2.3