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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [powerpc/] [bswap-run.c] - Rev 378
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/* { dg-do run { target powerpc*-*-* } } */ /* { dg-options "-O2 -std=gnu99" } */ extern void abort (void); static unsigned char bytes[] = { 0, 1, 2, 0x80, 0xff }; unsigned short b16a (unsigned short *p) { return __builtin_bswap16 (*p); } void b16b (unsigned short *p, unsigned short a) { *p = __builtin_bswap16 (a); } int b16c (unsigned short a) { return __builtin_bswap16 (a); } unsigned int b32a (unsigned int *p) { return __builtin_bswap32 (*p); } void b32b (unsigned int *p, unsigned int a) { *p = __builtin_bswap32 (a); } static unsigned int b32c (unsigned int a) { return __builtin_bswap32 (a); } unsigned long long b64a (unsigned long long *p) { return __builtin_bswap64 (*p); } void b64b (unsigned long long *p, unsigned long long a) { *p = __builtin_bswap64 (a); } unsigned long long b64c (unsigned long long a) { return __builtin_bswap64 (a); } int main (void) { unsigned i1, i2, i3, i4, i5; unsigned b1, b2, b3, b4, b5; unsigned short b16_inp, b16_exp, b16_var; unsigned int b32_inp, b32_exp, b32_var; unsigned long long b64_inp, b64_exp, b64_var; for (i1 = 0; i1 < sizeof (bytes); i1++) { b1 = bytes[i1]; for (i2 = 0; i2 < sizeof (bytes); i2++) { b2 = bytes[i2]; b16_inp = (b1 << 8) | b2; b16_exp = (b2 << 8) | b1; if (b16a (&b16_inp) != b16_exp) abort (); b16b (&b16_var, b16_inp); if (b16_var != b16_exp) abort (); if (b16c (b16_inp) != b16_exp) abort (); for (i3 = 0; i3 < sizeof (bytes); i3++) { b3 = bytes[i3]; for (i4 = 0; i4 < sizeof (bytes); i4++) { b4 = bytes[i4]; b32_inp = (b1 << 24) | (b2 << 16) | (b3 << 8) | b4; b32_exp = (b4 << 24) | (b3 << 16) | (b2 << 8) | b1; if (b32a (&b32_inp) != b32_exp) abort (); b32b (&b32_var, b32_inp); if (b32_var != b32_exp) abort (); if (b32c (b32_inp) != b32_exp) abort (); for (i5 = 0; i5 < sizeof (bytes); i5++) { b5 = bytes[i5]; b64_inp = (((unsigned long long)b32_inp) << 32) | b5; b64_exp = (((unsigned long long)b5) << 56) | b32_exp; if (b64a (&b64_inp) != b64_exp) abort (); b64b (&b64_var, b64_inp); if (b64_var != b64_exp) abort (); if (b64c (b64_inp) != b64_exp) abort (); b64_inp = (((unsigned long long)b5) << 56) | b32_inp; b64_exp = (((unsigned long long)b32_exp) << 32) | b5; if (b64a (&b64_inp) != b64_exp) abort (); b64b (&b64_var, b64_inp); if (b64_var != b64_exp) abort (); if (b64c (b64_inp) != b64_exp) abort (); } } } } } return 0; }
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