diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/sad-vectorize-4.c')
-rw-r--r-- | gcc/testsuite/gcc.target/powerpc/sad-vectorize-4.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/sad-vectorize-4.c b/gcc/testsuite/gcc.target/powerpc/sad-vectorize-4.c new file mode 100644 index 00000000000..2db016563a5 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/sad-vectorize-4.c @@ -0,0 +1,57 @@ +/* { dg-do run { target { powerpc*-*-linux* && { lp64 && p9vector_hw } } } } */ +/* { dg-require-effective-target powerpc_p9vector_ok } */ +/* { dg-options "-O3 -mcpu=power9" } */ +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */ + +/* Verify that we get correct code when we vectorize this SAD loop using + vabsduh. */ + +extern void abort (); +extern int abs (int __x) __attribute__ ((__nothrow__, __leaf__)) __attribute__ ((__const__)); + +static int +foo (unsigned short *w, int i, unsigned short *x, int j) +{ + int tot = 0; + for (int a = 0; a < 16; a++) + { + for (int b = 0; b < 8; b++) + tot += abs (w[b] - x[b]); + w += i; + x += j; + } + return tot; +} + +void +bar (unsigned short *w, unsigned short *x, int i, int *result) +{ + *result = foo (w, 8, x, i); +} + +int +main () +{ + unsigned short m[128]; + unsigned short n[128]; + int sum, i; + + for (i = 0; i < 128; ++i) + if (i % 2 == 0) + { + m[i] = (i % 8) * 2 + 1; + n[i] = i % 8; + } + else + { + m[i] = (i % 8) * 4 - 3; + n[i] = (i % 8) >> 1; + } + + bar (m, n, 8, &sum); + + if (sum != 992) + abort (); + + return 0; +} |