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author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
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committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/testsuite/gcc.c-torture/execute | |
parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/execute')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63209.c | 27 | ||||
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63302.c | 60 | ||||
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63659.c | 29 |
3 files changed, 116 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63209.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63209.c new file mode 100644 index 0000000..9bcb587 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63209.c @@ -0,0 +1,27 @@ +static int Sub(int a, int b) { + return b -a; +} + +static unsigned Select(unsigned a, unsigned b, unsigned c) { + const int pa_minus_pb = + Sub((a >> 8) & 0xff, (b >> 8) & 0xff) + + Sub((a >> 0) & 0xff, (b >> 0) & 0xff); + return (pa_minus_pb <= 0) ? a : b; +} + +__attribute__((noinline)) unsigned Predictor(unsigned left, const unsigned* const top) { + const unsigned pred = Select(top[1], left, top[0]); + return pred; +} + +int main(void) { + const unsigned top[2] = {0xff7a7a7a, 0xff7a7a7a}; + const unsigned left = 0xff7b7b7b; + const unsigned pred = Predictor(left, top /*+ 1*/); + if (pred == left) + return 0; + return 1; +} + + + diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63302.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63302.c new file mode 100644 index 0000000..9967024 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63302.c @@ -0,0 +1,60 @@ +/* PR tree-optimization/63302 */ + +#ifdef __SIZEOF_INT128__ +#if __SIZEOF_INT128__ * __CHAR_BIT__ == 128 +#define USE_INT128 +#endif +#endif +#if __SIZEOF_LONG_LONG__ * __CHAR_BIT__ == 64 +#define USE_LLONG +#endif + +#ifdef USE_INT128 +__attribute__((noinline, noclone)) int +foo (__int128 x) +{ + __int128 v = x & (((__int128) -1 << 63) | 0x7ff); + + return v == 0 || v == ((__int128) -1 << 63); +} +#endif + +#ifdef USE_LLONG +__attribute__((noinline, noclone)) int +bar (long long x) +{ + long long v = x & (((long long) -1 << 31) | 0x7ff); + + return v == 0 || v == ((long long) -1 << 31); +} +#endif + +int +main () +{ +#ifdef USE_INT128 + if (foo (0) != 1 + || foo (1) != 0 + || foo (0x800) != 1 + || foo (0x801) != 0 + || foo ((__int128) 1 << 63) != 0 + || foo ((__int128) -1 << 63) != 1 + || foo (((__int128) -1 << 63) | 1) != 0 + || foo (((__int128) -1 << 63) | 0x800) != 1 + || foo (((__int128) -1 << 63) | 0x801) != 0) + __builtin_abort (); +#endif +#ifdef USE_LLONG + if (bar (0) != 1 + || bar (1) != 0 + || bar (0x800) != 1 + || bar (0x801) != 0 + || bar (1LL << 31) != 0 + || bar (-1LL << 31) != 1 + || bar ((-1LL << 31) | 1) != 0 + || bar ((-1LL << 31) | 0x800) != 1 + || bar ((-1LL << 31) | 0x801) != 0) + __builtin_abort (); +#endif + return 0; +} diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63659.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63659.c new file mode 100644 index 0000000..780dc8a --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr63659.c @@ -0,0 +1,29 @@ +/* PR rtl-optimization/63659 */ + +int a, b, c, *d = &b, g, h, i; +unsigned char e; +char f; + +int +main () +{ + while (a) + { + for (a = 0; a; a++) + for (; c; c++) + ; + if (i) + break; + } + + char j = c, k = -1, l; + l = g = j >> h; + f = l == 0 ? k : k % l; + e = 0 ? 0 : f; + *d = e; + + if (b != 255) + __builtin_abort (); + + return 0; +} |