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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/pr37870.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/pr37870.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/pr37870.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr37870.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr37870.c new file mode 100644 index 000000000..19cfb2058 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr37870.c @@ -0,0 +1,29 @@ +/* PR middle-end/37870 */ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +unsigned int +foo (long double x) +{ + struct { char a[8]; unsigned int b:7; } c; + __builtin_memcpy (&c, &x, sizeof (c)); + return c.b; +} + +unsigned int +bar (long double x) +{ + union { struct { char a[8]; unsigned int b:7; } c; long double d; } u; + u.d = x; + return u.c.b; +} + +int +main (void) +{ + if (foo (1.245L) != bar (1.245L) + || foo (245.67L) != bar (245.67L) + || foo (0.00567L) != bar (0.00567L)) + __builtin_abort (); + return 0; +} |