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| author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
| commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
| tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/gcc.dg/pr48335-3.c | |
| parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
| download | toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.gz toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.bz2 toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.zip | |
[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.dg/pr48335-3.c')
| -rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.dg/pr48335-3.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/pr48335-3.c b/gcc-4.8/gcc/testsuite/gcc.dg/pr48335-3.c new file mode 100644 index 000000000..9041f591f --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.dg/pr48335-3.c @@ -0,0 +1,48 @@ +/* PR middle-end/48335 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fno-tree-sra" } */ + +typedef short U __attribute__((may_alias, aligned (1))); + +struct S +{ + double d; +}; + +void bar (struct S); + +void +f1 (int x) +{ + struct S s = { .d = 0.0 }; + ((U *)((char *) &s.d + 1))[0] = x; + __real__ s.d *= 7.0; + bar (s); +} + +void +f2 (int x) +{ + struct S s = { .d = 0.0 }; + ((U *)((char *) &s.d + 1))[1] = x; + __real__ s.d *= 7.0; + bar (s); +} + +void +f3 (int x) +{ + struct S s = { .d = 0.0 }; + ((U *)((char *) &s.d + 1))[2] = x; + __real__ s.d *= 7.0; + bar (s); +} + +void +f4 (int x) +{ + struct S s = { .d = 0.0 }; + ((U *)((char *) &s.d + 1))[3] = x; + __real__ s.d *= 7.0; + bar (s); +} |