Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/builtins-folding-gimple-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR 81908 - FAIL: gfortran.dg/alloc_comp_auto_array_2.f90 -O3 -g -m32 Test to verify that calls to memcpy et al. where the size is in a range with just one valid value -- zero -- are eliminated. { dg-do compile } { dg-options "-O2 -Wall -fdump-tree-optimized" } */ #define INT_MAX __INT_MAX__ #define SHRT_MAX __SHRT_MAX__ #define SIZE_MAX __SIZE_MAX__ #define SSIZE_MAX (SIZE_MAX / 2) typedef __PTRDIFF_TYPE__ ssize_t; typedef __SIZE_TYPE__ size_t; #define UNIQUE_FUNCNAME(func, line) test_ ## func ## _ ## line #define FUNCNAME(func, line) UNIQUE_FUNCNAME (func, line) #define AR(func, type, min, max, val) \ void __attribute__ ((noclone, noinline)) \ FUNCNAME (func, __LINE__) (char *d, const char *s, type n) \ { \ if ((type)min <= n && n <= (type)max) \ n = val; \ __builtin_ ## func (d, s, n); \ } typedef void DummyType AR (memcpy, short, 1, SHRT_MAX, 0); AR (memcpy, int, 1, INT_MAX, 0); AR (memcpy, size_t, 1, SSIZE_MAX, 0); AR (memcpy, ssize_t, 1, SSIZE_MAX, 0); AR (memmove, short, 1, SHRT_MAX, 0); AR (memmove, int, 1, INT_MAX, 0); AR (memmove, ssize_t, 1, SSIZE_MAX, 0); AR (memmove, ssize_t, 1, SSIZE_MAX, 0); AR (mempcpy, short, 1, SHRT_MAX, 0); AR (mempcpy, int, 1, INT_MAX, 0); AR (mempcpy, size_t, 1, SSIZE_MAX, 0); AR (mempcpy, ssize_t, 1, SSIZE_MAX, 0); /* { dg-final { scan-tree-dump-not "builtin_memcpy" "optimized" } } { dg-final { scan-tree-dump-not "builtin_memmove" "optimized" } } { dg-final { scan-tree-dump-not "builtin_mempcpy" "optimized" } } */