1 /* { dg-do compile } */
2 /* { dg-require-effective-target arm_neon_ok } */
3 /* { dg-options "-O2 -mthumb -march=armv7-a -mfloat-abi=softfp -mfpu=neon" } */
9 memset (DST, C, LENGTH)
15 unsigned char C_BYTE = C;
18 if (__builtin_expect(LENGTH < 4, 1)) {
21 ((char*)DST)[i] = C_BYTE;
27 const char* DST_end = (char*)DST + LENGTH;
30 while ((uintptr_t)DST % 4 != 0) {
31 *(char*) (DST++) = C_BYTE;
35 uint32_t C_SHORTWORD = (uint32_t)(unsigned char)(C_BYTE) * 0x01010101;
38 if (__builtin_expect(DST_end - (char*)DST >= 16, 0)) {
39 while ((uintptr_t)DST % 16 != 0) {
40 *((uint32_t*)((char*)(DST) + (0))) = C_SHORTWORD;
45 uint8x16_t C_WORD = vdupq_n_u8(C_BYTE);
52 LENGTH = DST_end - (char*)DST;
53 while (i + 16 * 16 <= LENGTH) {
54 *((uint8x16_t*)((char*)(DST) + (i))) = C_WORD;
55 *((uint8x16_t*)((char*)(DST) + (i + 16 * 1))) = C_WORD;
56 *((uint8x16_t*)((char*)(DST) + (i + 16 * 2))) = C_WORD;
57 *((uint8x16_t*)((char*)(DST) + (i + 16 * 3))) = C_WORD;
58 *((uint8x16_t*)((char*)(DST) + (i + 16 * 4))) = C_WORD;
59 *((uint8x16_t*)((char*)(DST) + (i + 16 * 5))) = C_WORD;
60 *((uint8x16_t*)((char*)(DST) + (i + 16 * 6))) = C_WORD;
61 *((uint8x16_t*)((char*)(DST) + (i + 16 * 7))) = C_WORD;
62 *((uint8x16_t*)((char*)(DST) + (i + 16 * 8))) = C_WORD;
63 *((uint8x16_t*)((char*)(DST) + (i + 16 * 9))) = C_WORD;
64 *((uint8x16_t*)((char*)(DST) + (i + 16 * 10))) = C_WORD;
65 *((uint8x16_t*)((char*)(DST) + (i + 16 * 11))) = C_WORD;
66 *((uint8x16_t*)((char*)(DST) + (i + 16 * 12))) = C_WORD;
67 *((uint8x16_t*)((char*)(DST) + (i + 16 * 13))) = C_WORD;
68 *((uint8x16_t*)((char*)(DST) + (i + 16 * 14))) = C_WORD;
69 *((uint8x16_t*)((char*)(DST) + (i + 16 * 15))) = C_WORD;
72 while (i + 16 * 4 <= LENGTH) {
73 *((uint8x16_t*)((char*)(DST) + (i))) = C_WORD;
74 *((uint8x16_t*)((char*)(DST) + (i + 16 * 1))) = C_WORD;
75 *((uint8x16_t*)((char*)(DST) + (i + 16 * 2))) = C_WORD;
76 *((uint8x16_t*)((char*)(DST) + (i + 16 * 3))) = C_WORD;
79 while (i + 16 <= LENGTH) {
80 *((uint8x16_t*)((char*)(DST) + (i))) = C_WORD;
86 while (4 <= DST_end - (char*)DST) {
87 *((uint32_t*)((char*)(DST) + (0))) = C_SHORTWORD;
92 while ((char*)DST < DST_end) {
93 *((char*)DST) = C_BYTE;