diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60841.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60841.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60841.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60841.c new file mode 100644 index 000000000..44b5d0191 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60841.c @@ -0,0 +1,183 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-ffast-math" } */ + +/* This testcase shouldn't consume much memory or produce a 1GB vectorizer + dump file due to SLP tree explosion. */ + +struct S { int f1, f2, f3, f4; } a; +struct T { short f3, f2, f1, f4; }; +int b, c, d, e, f, g; +unsigned long z; + +void +foo (struct T *p, struct T *q, int x, int w) +{ + for (; x; x++) + { + struct S h; + int i; + struct T j; + struct T *r; + h = a; + g = 0; + r = p + 2 * (c + 4) + 1; + j = *r; + r = p; + f = r->f1 - 1; + b = +1.0 + f * f; + i = (r->f2 + j.f2) / 2; + f = r->f3 - 1; + b += 1.0 - i * f * f; + f = r->f4 - 1; + if (b) + b += -1.0 - i * f; + if (b / w) + { + h.f1 += 8.0 * r->f1; + h.f2 += 8.0 * r->f2; + h.f3 += 8.0 * r->f3; + h.f4 += 8.0 * r->f4; + g = 1; + } + r++; + f = r->f1; + i = (r->f2 + j.f2) / 2; + f = r->f3 - 1; + b += 1.0 - i * f * f; + i = (r->f4); + if (b * 65535UL / w) + { + h.f1 += 10.0 * r->f1; + h.f2 += 10.0 * r->f2; + h.f3 += 10.0 * r->f3; + h.f4 += 10.0 * r->f4; + g += 10.0; + } + r++; + f = r->f1; + z = 5UL * i; + f = r->f2; + i = (r->f3 + j.f3) / 2; + b = -i * f * f; + i = (r->f4 + j.f4) / 2; + if (b * 65535UL / 25.0f) + { + h.f1 += 8.0 * r->f1; + h.f2 += 8.0 * r->f2; + h.f3 += 8.0 * r->f3; + h.f4 += 8.0 * r->f4; + g += 8.0; + } + r++; + f = r->f1 - j.f1; + b = 1 * 2.0 * i * f * f; + f = r->f2; + b += 4.0 * f; + i = r->f3 / 2; + f = r->f4 - 1; + if (b * 1) + { + h.f1 += 8.0 * r->f1; + h.f2 += 8.0 * r->f2; + h.f3 += 8.0 * r->f3; + h.f4 += 8.0 * r->f4; + g += 8.0; + } + b = 4.0 * 1 * f; + if (b * 65535UL / 25.0f) + { + h.f1 += 20.0 * r->f1; + h.f2 += 20.0 * r->f2; + h.f3 += 20.0 * r->f3; + h.f4 += 20.0 * r->f4; + g += 20.0; + } + b = 5 * (0.0 - i); + if (b < 0) + { + h.f1 += 8.0 * r->f1; + h.f2 += 8.0 * r->f2; + h.f3 += 8.0 * r->f3; + h.f4 += 8.0 * r->f4; + g += 8.0; + } + r = p + 2 * (c + 4); + i = (r->f1 + j.f1); + b = 1 * 2.0 * i * 1; + f = r->f2 - 1; + i = (r->f3 + j.f3) / 2; + b = 5 * (0.0 - i) * f * f; + i = (r->f4 + j.f4) / 2; + if (b * 65535UL / 25.0f) + { + h.f1 += 10.0 * r->f1; + h.f2 += 10.0 * r->f2; + h.f3 += 10.0 * r->f3; + h.f4 += 10.0 * r->f4; + g += 10.0; + } + r++; + f = r->f1; + b = 5UL * i * f; + i = (r->f2 + j.f2) / 2; + f = r->f3 - 1; + b = 5 * (0.0 - i) * f * f; + f = r->f4 - 1; + if (b * 65535UL / 25.0f) + { + h.f1 += 40.0 * r->f1; + h.f2 += 40.0 * r->f2; + h.f3 += 40.0 * r->f3; + h.f4 += 40.0 * r->f4; + g += 40.0; + } + r++; + i = (r->f1 + j.f1); + b = 5 * i * f; + f = r->f2; + b = 4.0 * f * f; + f = r->f3; + i = (r->f4 + j.f4) / 2; + b = 5 * (0.0 - i) * f * f; + if (b * 25.0f) + { + h.f1 += 8.0 * r->f1; + h.f2 += 8.0 * r->f2; + h.f3 += 8.0 * r->f3; + h.f4 += 8.0 * r->f4; + g += 8.0; + } + r = p + 4 * (c + 4); + i = r->f1 / 2; + b = 5 * (1.0 + i); + i = r->f2 + j.f2; + f = r->f3 - 1; + b = 5 * (0.0 - i) * f * f; + i = (r->f4 + j.f4) / 2; + if (b * 65535UL / 25.0f) + { + h.f1 += 5.0 * r->f1; + h.f2 += 5.0 * r->f2; + h.f3 += 5.0 * r->f3; + h.f4 += 5.0 * r->f4; + g += 5.0; + } + b = 5 * (1.0 + i); + if (b < 0) + { + h.f1 += 5.0 * r->f1; + h.f2 += 5.0 * r->f2; + h.f3 += 5.0 * r->f3; + h.f4 += 5.0 * r->f4; + g += 5.0; + } + q->f1 = (h.f1 + g / 2 - 1) / g; + q->f2 = (h.f2 + g / 2 - 1) / g; + q->f3 = (h.f3 + g / 2 - 1) / g; + q->f4 = (h.f4 + g / 2 - 1) / g; + p++; + q++; + } +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ |