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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| 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/pr42549.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/pr42549.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/pr42549.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr42549.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr42549.c new file mode 100644 index 000000000..733853cdc --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr42549.c @@ -0,0 +1,38 @@ +/* { dg-do run } */ +/* { dg-require-effective-target 3dnow } */ +/* { dg-options "-O2 -m3dnow" } */ + +#include "mmx-3dnow-check.h" + +#include <mm3dnow.h> + +typedef union { + float f[2]; + __m64 v; +} vec_t; + +void __attribute__ ((noinline)) +Butterfly_3 (__m64 * D, __m64 SC) +{ + __m64 T, T1; + + T = _m_pfmul (D[1], SC); + T1 = D[0]; + D[0] = _m_pfadd (T1, T); + D[1] = _m_pfsub (T1, T); +} + +static void +mmx_3dnow_test (void) +{ + vec_t D[2] = { { .f = { 2.0f, 3.0f } }, + { .f = { 4.0f, 5.0f } } }; + + const vec_t SC = { .f = { 1.0f, 1.0f } }; + + Butterfly_3 (&D[0].v, SC.v); + _m_femms (); + + if (D[1].f[0] != -2.0f || D[1].f[1] != -2.0f) + abort (); +} |