| /* { dg-do compile } */ |
| /* -fno-tree-loop-distribute-patterns prevents conversion to memset. */ |
| /* { dg-options "-O3 -fno-tree-loop-distribute-patterns" } */ |
| |
| #include <stdint.h> |
| |
| #define NUM_ELEMS(TYPE) (1024 / sizeof (TYPE)) |
| |
| #define DEF_SET_IMM(TYPE, IMM, SUFFIX) \ |
| void __attribute__ ((noinline, noclone)) \ |
| set_##TYPE##_##SUFFIX (TYPE *a) \ |
| { \ |
| for (int i = 0; i < NUM_ELEMS (TYPE); i++) \ |
| a[i] = IMM; \ |
| } |
| |
| /* --- VALID --- */ |
| |
| DEF_SET_IMM (int8_t, 0, imm_0) |
| DEF_SET_IMM (int16_t, 0, imm_0) |
| DEF_SET_IMM (int32_t, 0, imm_0) |
| DEF_SET_IMM (int64_t, 0, imm_0) |
| |
| DEF_SET_IMM (int8_t, -1, imm_m1) |
| DEF_SET_IMM (int16_t, -1, imm_m1) |
| DEF_SET_IMM (int32_t, -1, imm_m1) |
| DEF_SET_IMM (int64_t, -1, imm_m1) |
| |
| DEF_SET_IMM (int8_t, 1, imm_1) |
| DEF_SET_IMM (int16_t, 1, imm_1) |
| DEF_SET_IMM (int32_t, 1, imm_1) |
| DEF_SET_IMM (int64_t, 1, imm_1) |
| |
| DEF_SET_IMM (int8_t, 127, imm_127) |
| DEF_SET_IMM (int16_t, 127, imm_127) |
| DEF_SET_IMM (int32_t, 127, imm_127) |
| DEF_SET_IMM (int64_t, 127, imm_127) |
| |
| DEF_SET_IMM (int8_t, -128, imm_m128) |
| DEF_SET_IMM (int16_t, -128, imm_m128) |
| DEF_SET_IMM (int32_t, -128, imm_m128) |
| DEF_SET_IMM (int64_t, -128, imm_m128) |
| |
| // No uint8_t variant - size too large for a byte |
| DEF_SET_IMM (int16_t, 256, imm_256) |
| DEF_SET_IMM (int32_t, 256, imm_256) |
| DEF_SET_IMM (int64_t, 256, imm_256) |
| |
| // No uint8_t variant - size too large for a byte |
| DEF_SET_IMM (int16_t, 32512, imm_32512) |
| DEF_SET_IMM (int32_t, 32512, imm_32512) |
| DEF_SET_IMM (int64_t, 32512, imm_32512) |
| |
| // No uint8_t variant - size too large for a byte |
| DEF_SET_IMM (int16_t, -32768, imm_m32768) |
| DEF_SET_IMM (int32_t, -32768, imm_m32768) |
| DEF_SET_IMM (int64_t, -32768, imm_m32768) |
| |
| /* gcc will generate: |
| dup z0.b, 0x01 |
| */ |
| DEF_SET_IMM (int16_t, 0x0101, imm_01_pat) |
| DEF_SET_IMM (int32_t, 0x01010101, imm_01_pat) |
| DEF_SET_IMM (int64_t, 0x0101010101010101LL, imm_01_pat) |
| |
| /* gcc will generate: |
| dup z0.h, 0x01 |
| */ |
| DEF_SET_IMM (int32_t, 0x00010001, imm_0001_pat) |
| DEF_SET_IMM (int64_t, 0x0001000100010001LL, imm_0001_pat) |
| |
| /* gcc will generate: |
| dup z0.b, 0xFE (-2) |
| */ |
| DEF_SET_IMM (int16_t, 0xFEFE, imm_FE_pat) |
| DEF_SET_IMM (int32_t, 0xFEFEFEFE, imm_FE_pat) |
| DEF_SET_IMM (int64_t, 0xFEFEFEFEFEFEFEFE, imm_FE_pat) |
| |
| /* gcc will generate: |
| dup z0.h, 0xFFFE (-2) |
| */ |
| DEF_SET_IMM (int32_t, 0xFFFEFFFE, imm_FFFE_pat) |
| DEF_SET_IMM (int64_t, 0xFFFEFFFEFFFEFFFELL, imm_FFFE_pat) |
| |
| /* gcc will generate: |
| dup z0.h, 0xFE00 |
| */ |
| DEF_SET_IMM (int32_t, 0xFE00FE00, imm_FE00_pat) |
| DEF_SET_IMM (int64_t, 0xFE00FE00FE00FE00LL, imm_FE00_pat) |
| |
| |
| /* --- INVALID --- */ |
| |
| // This shouldn't generate a dup as it's out of range, but also the compiler |
| // shouldn't assert! |
| DEF_SET_IMM (int32_t, 129, imm_m129) |
| DEF_SET_IMM (int32_t, 32513, imm_32513) |
| DEF_SET_IMM (int32_t, -32763, imm_m32763) |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #-1\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #0\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #1\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #1\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #1\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #1\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #127\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #127\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #127\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #127\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #-128\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #-128\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #-128\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #-128\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #256\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #256\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #256\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #32512\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #32512\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #32512\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #-32768\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #-32768\n} } } */ |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #-32768\n} } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #-2\n} } } */ |
| /* { dg-final { scan-assembler-times {\tmov\tz[0-9]+\.h, #-2\n} 2 } } */ |
| |
| /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #-512\n} } } */ |
| |
| /* { dg-final { scan-assembler-not {#129\n} } } */ |
| /* { dg-final { scan-assembler-not {#32513\n} } } */ |
| /* { dg-final { scan-assembler-not {#-32763\n} } } */ |
