gcc/testsuite/gcc.target/sh/pr64345-1.c

   1 /* Verify that single bit zero extractions emit the expected
   2    insns sequences.  */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O2" }  */
   5 /* { dg-final { scan-assembler-not "exts|extu|sha|shld|subc|xor" } }  */
   6
   7 /* { dg-final { scan-assembler-times "tst" 716 { target { ! sh2a } } } }  */
   8 /* { dg-final { scan-assembler-times "cmp/pz" 6 { target { ! sh2a } } } }  */
   9 /* { dg-final { scan-assembler-times "shll\t" 6 { target { ! sh2a } } } }  */
  10 /* { dg-final { scan-assembler-times "shlr\t" 8 { target { ! sh2a } } } }  */
  11
  12 /* { dg-final { scan-assembler-times "tst" 442 { target { sh2a } } } }  */
  13 /* { dg-final { scan-assembler-times "bld" 285 { target { sh2a } } } }  */
  14 /* { dg-final { scan-assembler-times "cmp/pz" 6 { target { sh2a } } } }  */
  15 /* { dg-final { scan-assembler-times "shll\t" 3 { target { sh2a } } } }  */
  16 /* { dg-final { scan-assembler-times "shlr\t" 0 { target { sh2a } } } }  */
  17
  18 /* { dg-final { scan-assembler-times "and\t#1" 32 } }  */
  19
  20 #define make_func(type,shift)\
  21   int test_##type##_##_shift_##shift##_0 (type x)\
  22   {\
  23     return ((x >> shift) ^ 1) & 1 ? -40 : -10;\
  24   }\
  25   int test_##type##_##_shift_##shift##_1 (type x)\
  26   {\
  27     return ((x >> shift) ^ 0) & 1 ? -40 : -10;\
  28   }\
  29   int test_##type##_##_shift_##shift##_2 (type x)\
  30   {\
  31     return ((x >> shift) ^ 1) & 1;\
  32   }\
  33   int test_##type##_##_shift_##shift##_3 (type x)\
  34   {\
  35     return ((x >> shift) ^ 0) & 1;\
  36   }\
  37   int test_##type##_##_shift_##shift##_4 (type x)\
  38   {\
  39     return (x & (1 << shift)) == 0;\
  40   }\
  41   int test_##type##_##_shift_##shift##_5 (type x)\
  42   {\
  43     return (x & (1 << shift)) != 0;\
  44   }\
  45 \
  46   int test_##type##_##_shift_##shift##_6 (type* x)\
  47   {\
  48     return ((*x >> shift) ^ 1) & 1 ? -40 : -10;\
  49   }\
  50   int test_##type##_##_shift_##shift##_7 (type* x)\
  51   {\
  52     return ((*x >> shift) ^ 0) & 1 ? -40 : -10;\
  53   }\
  54   int test_##type##_##_shift_##shift##_8 (type* x)\
  55   {\
  56     return ((*x >> shift) ^ 1) & 1;\
  57   }\
  58   int test_##type##_##_shift_##shift##_9 (type* x)\
  59   {\
  60     return ((*x >> shift) ^ 0) & 1;\
  61   }\
  62   int test_##type##_##_shift_##shift##_10 (type* x)\
  63   {\
  64     return (*x & (1 << shift)) == 0;\
  65   }\
  66   int test_##type##_##_shift_##shift##_11 (type* x)\
  67   {\
  68     return (*x & (1 << shift)) != 0;\
  69   }
  70
  71 #define make_funcs(type)\
  72   make_func (type, 0)\
  73   make_func (type, 1)\
  74   make_func (type, 2)\
  75   make_func (type, 3)\
  76   make_func (type, 4)\
  77   make_func (type, 5)\
  78   make_func (type, 6)\
  79   make_func (type, 7)
  80
  81 typedef signed char int8_t;
  82 typedef unsigned char uint8_t;
  83 typedef signed short int16_t;
  84 typedef unsigned short uint16_t;
  85 typedef signed int int32_t;
  86 typedef unsigned int uint32_t;
  87 typedef signed long long int64_t;
  88 typedef unsigned long long uint64_t;
  89
  90 make_funcs (int8_t)
  91 make_funcs (uint8_t)
  92 make_funcs (int16_t)
  93 make_funcs (uint16_t)
  94 make_funcs (int32_t)
  95 make_funcs (uint32_t)
  96 make_funcs (int64_t)
  97 make_funcs (uint64_t)