/* { dg-additional-options "-fopt-info-note-omp" } { dg-additional-options "--param=openacc-privatization=noisy" } { dg-additional-options "-foffload=-fopt-info-note-omp" } { dg-additional-options "-foffload=--param=openacc-privatization=noisy" } for testing/documenting aspects of that functionality. */ /* { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting aspects of that functionality. */ /* It's only with Tcl 8.5 (released in 2007) that "the variable 'varName' passed to 'incr' may be unset, and in that case, it will be set to [...]", so to maintain compatibility with earlier Tcl releases, we manually initialize counter variables: { dg-line l_dummy[variable c_compute 0 c_loop 0] } { dg-message "dummy" "" { target iN-VAl-Id } l_dummy } to avoid "WARNING: dg-line var l_dummy defined, but not used". */ #include #include typedef struct { int x, y; } vec2; typedef struct { int x, y, z; int attr[13]; } vec3_attr; /* Test of gang-private variables declared in local scope with parallel directive. */ void local_g_1() { int i, arr[32]; for (i = 0; i < 32; i++) arr[i] = 3; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'x' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } l_compute$c_compute } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { int x; #pragma acc loop gang(static:1) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) x = i * 2; #pragma acc loop gang(static:1) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { if (acc_on_device (acc_device_host)) x = i * 2; arr[i] += x; } } for (i = 0; i < 32; i++) assert (arr[i] == 3 + i * 2); } /* Test of worker-private variables declared in a local scope, broadcasting to vector-partitioned mode. Back-to-back worker loops. */ void local_w_1() { int i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; int x = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; int x = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared in a local scope, broadcasting to vector-partitioned mode. Successive vector loops. */ void local_w_2() { int i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; int x = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; x = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared in a local scope, broadcasting to vector-partitioned mode. Aggregate worker variable. */ void local_w_3() { int i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'pt' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; vec2 pt; pt.x = i ^ j * 3; pt.y = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt.x * k; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt.y * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared in a local scope, broadcasting to vector-partitioned mode. Addressable worker variable. */ void local_w_4() { int i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'pt' declared in block is candidate for adjusting OpenACC privatization level} "" { target *-*-* } l_loop$c_loop } { dg-note {variable 'pt' ought to be adjusted for OpenACC privatization level: 'worker'} "" { target *-*-* } l_loop$c_loop } { dg-note {variable 'pt' adjusted for OpenACC privatization level: 'worker'} "TODO" { target { ! openacc_host_selected } xfail *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'ptp' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; vec2 pt, *ptp; ptp = &pt; pt.x = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += ptp->x * k; ptp->y = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt.y * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared in a local scope, broadcasting to vector-partitioned mode. Array worker variable. */ void local_w_5() { int i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'pt' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; int pt[2]; pt[0] = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt[0] * k; pt[1] = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt[1] * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of gang-private variables declared on loop directive. */ void loop_g_1() { int x = 5, i, arr[32]; for (i = 0; i < 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } l_compute$c_compute } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { x = i * 2; arr[i] += x; } } for (i = 0; i < 32; i++) assert (arr[i] == i * 3); } /* Test of gang-private variables declared on loop directive, with broadcasting to partitioned workers. */ void loop_g_2() { int x = 5, i, arr[32 * 32]; for (i = 0; i < 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { x = i * 2; #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (int j = 0; j < 32; j++) arr[i * 32 + j] += x; } } for (i = 0; i < 32 * 32; i++) assert (arr[i] == i + (i / 32) * 2); } /* Test of gang-private variables declared on loop directive, with broadcasting to partitioned vectors. */ void loop_g_3() { int x = 5, i, arr[32 * 32]; for (i = 0; i < 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { x = i * 2; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (int j = 0; j < 32; j++) arr[i * 32 + j] += x; } } for (i = 0; i < 32 * 32; i++) assert (arr[i] == i + (i / 32) * 2); } /* Test of gang-private addressable variable declared on loop directive, with broadcasting to partitioned workers. */ void loop_g_4() { int x = 5, i, arr[32 * 32]; for (i = 0; i < 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'x' in 'private' clause is candidate for adjusting OpenACC privatization level} "" { target *-*-* } l_loop$c_loop } But, with optimizations enabled, per the '*.ssa' dump ('gcc/tree-ssa.c:execute_update_addresses_taken'): No longer having address taken: x Now a gimple register: x However, 'x' remains in the candidate set: { dg-note {variable 'x' ought to be adjusted for OpenACC privatization level: 'gang'} "" { target *-*-* } l_loop$c_loop } Now, for GCN offloading, 'adjust_private_decl' does the privatization change right away: { dg-note {variable 'x' adjusted for OpenACC privatization level: 'gang'} "" { target openacc_radeon_accel_selected } l_loop$c_loop } For nvptx offloading however, we first mark up 'x', and then later apply the privatization change -- or, with optimizations enabled, don't, because we then don't actually call 'expand_var_decl'. { dg-note {variable 'x' adjusted for OpenACC privatization level: 'gang'} "" { target { openacc_nvidia_accel_selected && { ! __OPTIMIZE__ } } } l_loop$c_loop } { dg-bogus {note: variable 'x' adjusted for OpenACC privatization level: 'gang'} "" { target { openacc_nvidia_accel_selected && __OPTIMIZE__ } } l_loop$c_loop } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'p' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { int *p = &x; x = i * 2; #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (int j = 0; j < 32; j++) arr[i * 32 + j] += x; (*p)--; } } for (i = 0; i < 32 * 32; i++) assert (arr[i] == i + (i / 32) * 2); } /* Test of gang-private array variable declared on loop directive, with broadcasting to partitioned workers. */ void loop_g_5() { int x[8], i, arr[32 * 32]; for (i = 0; i < 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'x' in 'private' clause is candidate for adjusting OpenACC privatization level} "" { target *-*-* } l_loop$c_loop } { dg-note {variable 'x' ought to be adjusted for OpenACC privatization level: 'gang'} "" { target *-*-* } l_loop$c_loop } { dg-note {variable 'x' adjusted for OpenACC privatization level: 'gang'} "" { target { ! openacc_host_selected } } l_loop$c_loop } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { for (int j = 0; j < 8; j++) x[j] = j * 2; #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (int j = 0; j < 32; j++) arr[i * 32 + j] += x[j % 8]; } } for (i = 0; i < 32 * 32; i++) assert (arr[i] == i + (i % 8) * 2); } /* Test of gang-private aggregate variable declared on loop directive, with broadcasting to partitioned workers. */ void loop_g_6() { int i, arr[32 * 32]; vec3_attr pt; for (i = 0; i < 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang private(pt) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'pt' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { pt.x = i; pt.y = i * 2; pt.z = i * 4; pt.attr[5] = i * 6; #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (int j = 0; j < 32; j++) arr[i * 32 + j] += pt.x + pt.y + pt.z + pt.attr[5]; } } for (i = 0; i < 32 * 32; i++) assert (arr[i] == i + (i / 32) * 13); } /* Test of vector-private variables declared on loop directive. */ void loop_v_1() { int x, i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; #pragma acc loop vector private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) { x = i ^ j * 3; arr[i * 1024 + j * 32 + k] += x * k; } #pragma acc loop vector private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) { x = i | j * 5; arr[i * 1024 + j * 32 + k] += x * k; } } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of vector-private variables declared on loop directive. Array type. */ void loop_v_2() { int pt[2], i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; #pragma acc loop vector private(pt) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'pt' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) { pt[0] = i ^ j * 3; pt[1] = i | j * 5; arr[i * 1024 + j * 32 + k] += pt[0] * k; arr[i * 1024 + j * 32 + k] += pt[1] * k; } } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared on a loop directive. */ void loop_w_1() { int x = 5, i, arr[32 * 32]; for (i = 0; i < 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { x = i ^ j * 3; /* Try to ensure 'x' accesses doesn't get optimized into a temporary. */ __asm__ __volatile__ (""); arr[i * 32 + j] += x; } } } for (i = 0; i < 32 * 32; i++) assert (arr[i] == i + ((i / 32) ^ (i % 32) * 3)); } /* Test of worker-private variables declared on a loop directive, broadcasting to vector-partitioned mode. */ void loop_w_2() { int x = 5, i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; x = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k); } } /* Test of worker-private variables declared on a loop directive, broadcasting to vector-partitioned mode. Back-to-back worker loops. */ void loop_w_3() { int x = 5, i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; x = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } #pragma acc loop worker private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; x = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared on a loop directive, broadcasting to vector-partitioned mode. Successive vector loops. */ void loop_w_4() { int x = 5, i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; x = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; x = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared on a loop directive, broadcasting to vector-partitioned mode. Addressable worker variable. */ void loop_w_5() { int x = 5, i, arr[32 * 32 * 32]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker private(x) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'x' in 'private' clause is candidate for adjusting OpenACC privatization level} "" { target *-*-* } l_loop$c_loop } { dg-note {variable 'x' ought to be adjusted for OpenACC privatization level: 'worker'} "" { target *-*-* } l_loop$c_loop } { dg-note {variable 'x' adjusted for OpenACC privatization level: 'worker'} "TODO" { target { ! openacc_host_selected } xfail *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'p' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; int *p = &x; x = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; *p = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += x * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared on a loop directive, broadcasting to vector-partitioned mode. Aggregate worker variable. */ void loop_w_6() { int i, arr[32 * 32 * 32]; vec2 pt; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { #pragma acc loop worker private(pt) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'pt' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; pt.x = i ^ j * 3; pt.y = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt.x * k; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt.y * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of worker-private variables declared on loop directive, broadcasting to vector-partitioned mode. Array worker variable. */ void loop_w_7() { int i, arr[32 * 32 * 32]; int pt[2]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; /* "pt" is treated as "present_or_copy" on the parallel directive because it is an array variable. */ #pragma acc parallel copy(arr) num_gangs(32) num_workers(32) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ { int j; #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { /* But here, it is made private per-worker. */ #pragma acc loop worker private(pt) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'pt' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) { int k; pt[0] = i ^ j * 3; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt[0] * k; pt[1] = i | j * 5; #pragma acc loop vector /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt[1] * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } } /* Test of gang-private variables declared on the parallel directive. */ void parallel_g_1() { int x = 5, i, arr[32]; for (i = 0; i < 32; i++) arr[i] = 3; #pragma acc parallel private(x) copy(arr) num_gangs(32) num_workers(8) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } l_compute$c_compute } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang(static:1) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) x = i * 2; #pragma acc loop gang(static:1) /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { if (acc_on_device (acc_device_host)) x = i * 2; arr[i] += x; } } for (i = 0; i < 32; i++) assert (arr[i] == 3 + i * 2); } /* Test of gang-private array variable declared on the parallel directive. */ void parallel_g_2() { int x[32], i, arr[32 * 32]; for (i = 0; i < 32 * 32; i++) arr[i] = i; #pragma acc parallel private(x) copy(arr) num_gangs(32) num_workers(2) vector_length(32) /* { dg-line l_compute[incr c_compute] } */ /* { dg-warning "region is vector partitioned but does not contain vector partitioned code" "" { target *-*-* } l_compute$c_compute } */ { #pragma acc loop gang /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (i = 0; i < 32; i++) { int j; for (j = 0; j < 32; j++) x[j] = j * 2; #pragma acc loop worker /* { dg-line l_loop[incr c_loop] } */ /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop$c_loop } */ for (j = 0; j < 32; j++) arr[i * 32 + j] += x[31 - j]; } } for (i = 0; i < 32 * 32; i++) assert (arr[i] == i + (31 - (i % 32)) * 2); } int main () { local_g_1(); local_w_1(); local_w_2(); local_w_3(); local_w_4(); local_w_5(); loop_g_1(); loop_g_2(); loop_g_3(); loop_g_4(); loop_g_5(); loop_g_6(); loop_v_1(); loop_v_2(); loop_w_1(); loop_w_2(); loop_w_3(); loop_w_4(); loop_w_5(); loop_w_6(); loop_w_7(); parallel_g_1(); parallel_g_2(); return 0; }