Viewing file:  declare-variant-1.c (1.66 KB) -rw-r--r--
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/* { dg-do link { target vect_simd_clones } } */
/* { dg-require-effective-target lto } */
/* { dg-require-effective-target fpic } */
/* { dg-require-effective-target shared } */
/* { dg-additional-options "-fdump-tree-gimple -fdump-tree-optimized -O2 -fPIC -shared -flto -flto-partition=one" } */
/* { dg-additional-options "-mno-sse3" { target { i?86-*-* x86_64-*-* } } } */
int
f01 (int a)
{
asm volatile ("" : "+g" (a) : "g" (1) : "memory");
return a;
}
int
f02 (int a)
{
asm volatile ("" : "+g" (a) : "g" (2) : "memory");
return a;
}
int
f03 (int a)
{
asm volatile ("" : "+g" (a) : "g" (3) : "memory");
return a;
}
#pragma omp declare variant (f01) match (device={isa("avx512f")}) /* 4 or 8 */
#pragma omp declare variant (f02) match (implementation={vendor(score(3):gnu)},device={kind(cpu)}) /* (1 or 2) + 3 */
#pragma omp declare variant (f03) match (implementation={vendor(score(5):gnu)},device={kind(host)}) /* (1 or 2) + 5 */
int
f04 (int a)
{
asm volatile ("" : "+g" (a) : "g" (4) : "memory");
return a;
}
#pragma omp declare simd
int
test1 (int x)
{
/* At gimplification time, we can't decide yet which function to call. */
/* { dg-final { scan-tree-dump-times "f04 \\\(x" 2 "gimple" } } */
/* After simd clones are created, the original non-clone test1 shall
call f03 (score 6), the sse2/avx/avx2 clones too, but avx512f clones
shall call f01 with score 8. */
/* { dg-final { scan-ltrans-tree-dump-not "f04 \\\(x" "optimized" } } */
/* { dg-final { scan-ltrans-tree-dump-times "f03 \\\(x" 14 "optimized" } } */
/* { dg-final { scan-ltrans-tree-dump-times "f01 \\\(x" 4 "optimized" } } */
int a = f04 (x);
int b = f04 (x);
return a + b;
}
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