From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/gcc.target/powerpc/bswap-run.c | 102 +++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 gcc/testsuite/gcc.target/powerpc/bswap-run.c (limited to 'gcc/testsuite/gcc.target/powerpc/bswap-run.c') diff --git a/gcc/testsuite/gcc.target/powerpc/bswap-run.c b/gcc/testsuite/gcc.target/powerpc/bswap-run.c new file mode 100644 index 000000000..484908a81 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/bswap-run.c @@ -0,0 +1,102 @@ +/* { 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; +} -- cgit v1.2.3