gcc/testsuite/gcc.target/aarch64/sve/dup_imm_1.c

   1 /* { dg-do compile } */
   2 /* -fno-tree-loop-distribute-patterns prevents conversion to memset.  */
   3 /* { dg-options "-O3 -fno-tree-loop-distribute-patterns" } */
   4
   5 #include <stdint.h>
   6
   7 #define NUM_ELEMS(TYPE) (1024 / sizeof (TYPE))
   8
   9 #define DEF_SET_IMM(TYPE, IMM, SUFFIX)          \
  10 void __attribute__ ((noinline, noclone))        \
  11 set_##TYPE##_##SUFFIX (TYPE *a)                 \
  12 {                                               \
  13   for (int i = 0; i < NUM_ELEMS (TYPE); i++)    \
  14     a[i] = IMM;                                 \
  15 }
  16
  17 /* --- VALID --- */
  18
  19 DEF_SET_IMM (int8_t, 0, imm_0)
  20 DEF_SET_IMM (int16_t, 0, imm_0)
  21 DEF_SET_IMM (int32_t, 0, imm_0)
  22 DEF_SET_IMM (int64_t, 0, imm_0)
  23
  24 DEF_SET_IMM (int8_t, -1, imm_m1)
  25 DEF_SET_IMM (int16_t, -1, imm_m1)
  26 DEF_SET_IMM (int32_t, -1, imm_m1)
  27 DEF_SET_IMM (int64_t, -1, imm_m1)
  28
  29 DEF_SET_IMM (int8_t, 1, imm_1)
  30 DEF_SET_IMM (int16_t, 1, imm_1)
  31 DEF_SET_IMM (int32_t, 1, imm_1)
  32 DEF_SET_IMM (int64_t, 1, imm_1)
  33
  34 DEF_SET_IMM (int8_t, 127, imm_127)
  35 DEF_SET_IMM (int16_t, 127, imm_127)
  36 DEF_SET_IMM (int32_t, 127, imm_127)
  37 DEF_SET_IMM (int64_t, 127, imm_127)
  38
  39 DEF_SET_IMM (int8_t, -128, imm_m128)
  40 DEF_SET_IMM (int16_t, -128, imm_m128)
  41 DEF_SET_IMM (int32_t, -128, imm_m128)
  42 DEF_SET_IMM (int64_t, -128, imm_m128)
  43
  44 // No uint8_t variant - size too large for a byte
  45 DEF_SET_IMM (int16_t, 256, imm_256)
  46 DEF_SET_IMM (int32_t, 256, imm_256)
  47 DEF_SET_IMM (int64_t, 256, imm_256)
  48
  49 // No uint8_t variant - size too large for a byte
  50 DEF_SET_IMM (int16_t, 32512, imm_32512)
  51 DEF_SET_IMM (int32_t, 32512, imm_32512)
  52 DEF_SET_IMM (int64_t, 32512, imm_32512)
  53
  54 // No uint8_t variant - size too large for a byte
  55 DEF_SET_IMM (int16_t, -32768, imm_m32768)
  56 DEF_SET_IMM (int32_t, -32768, imm_m32768)
  57 DEF_SET_IMM (int64_t, -32768, imm_m32768)
  58
  59 /* gcc will generate:
  60      dup z0.b, 0x01
  61 */
  62 DEF_SET_IMM (int16_t, 0x0101, imm_01_pat)
  63 DEF_SET_IMM (int32_t, 0x01010101, imm_01_pat)
  64 DEF_SET_IMM (int64_t, 0x0101010101010101LL, imm_01_pat)
  65
  66 /* gcc will generate:
  67      dup z0.h, 0x01
  68 */
  69 DEF_SET_IMM (int32_t, 0x00010001, imm_0001_pat)
  70 DEF_SET_IMM (int64_t, 0x0001000100010001LL, imm_0001_pat)
  71
  72 /* gcc will generate:
  73      dup z0.b, 0xFE (-2)
  74 */
  75 DEF_SET_IMM (int16_t, 0xFEFE, imm_FE_pat)
  76 DEF_SET_IMM (int32_t, 0xFEFEFEFE, imm_FE_pat)
  77 DEF_SET_IMM (int64_t, 0xFEFEFEFEFEFEFEFE, imm_FE_pat)
  78
  79 /* gcc will generate:
  80      dup z0.h, 0xFFFE (-2)
  81 */
  82 DEF_SET_IMM (int32_t, 0xFFFEFFFE, imm_FFFE_pat)
  83 DEF_SET_IMM (int64_t, 0xFFFEFFFEFFFEFFFELL, imm_FFFE_pat)
  84
  85 /* gcc will generate:
  86      dup z0.h, 0xFE00
  87 */
  88 DEF_SET_IMM (int32_t, 0xFE00FE00, imm_FE00_pat)
  89 DEF_SET_IMM (int64_t, 0xFE00FE00FE00FE00LL, imm_FE00_pat)
  90
  91
  92 /* --- INVALID --- */
  93
  94 // This shouldn't generate a dup as it's out of range, but also the compiler
  95 // shouldn't assert!
  96 DEF_SET_IMM (int32_t, 129, imm_m129)
  97 DEF_SET_IMM (int32_t, 32513, imm_32513)
  98 DEF_SET_IMM (int32_t, -32763, imm_m32763)
  99
 100 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #-1\n} } } */
 101
 102 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #0\n} } } */
 103
 104 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #1\n} } } */
 105 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #1\n} } } */
 106 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #1\n} } } */
 107 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #1\n} } } */
 108
 109 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #127\n} } } */
 110 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #127\n} } } */
 111 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #127\n} } } */
 112 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #127\n} } } */
 113
 114 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #-128\n} } } */
 115 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #-128\n} } } */
 116 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #-128\n} } } */
 117 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #-128\n} } } */
 118
 119 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #256\n} } } */
 120 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #256\n} } } */
 121 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #256\n} } } */
 122
 123 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #32512\n} } } */
 124 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #32512\n} } } */
 125 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #32512\n} } } */
 126
 127 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #-32768\n} } } */
 128 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.s, #-32768\n} } } */
 129 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.d, #-32768\n} } } */
 130
 131 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.b, #-2\n} } } */
 132 /* { dg-final { scan-assembler-times {\tmov\tz[0-9]+\.h, #-2\n} 2 } } */
 133
 134 /* { dg-final { scan-assembler {\tmov\tz[0-9]+\.h, #-512\n} } } */
 135
 136 /* { dg-final { scan-assembler-not {#129\n} } } */
 137 /* { dg-final { scan-assembler-not {#32513\n} } } */
 138 /* { dg-final { scan-assembler-not {#-32763\n} } } */