diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/sse2-psubsw-1.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/sse2-psubsw-1.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/sse2-psubsw-1.c b/gcc/testsuite/gcc.target/i386/sse2-psubsw-1.c new file mode 100644 index 00000000000..85fdbeb427e --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/sse2-psubsw-1.c @@ -0,0 +1,48 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -msse2" } */ + +#ifndef CHECK_H +#define CHECK_H "sse2-check.h" +#endif + +#ifndef TEST +#define TEST sse2_test +#endif + +#include CHECK_H + +#include <emmintrin.h> + +static __m128i +__attribute__((noinline, unused)) +test (__m128i s1, __m128i s2) +{ + return _mm_subs_epi16 (s1, s2); +} + +static void +TEST (void) +{ + union128i_w u, s1, s2; + short e[8]; + int i, tmp; + + s1.x = _mm_set_epi16 (10,20,30,90,-80,-40,-100,-15); + s2.x = _mm_set_epi16 (11, 98, 76, -100, -34, -78, -39, 14); + u.x = test (s1.x, s2.x); + + for (i = 0; i < 8; i++) + { + tmp = s1.a[i] - s2.a[i]; + + if (tmp > 32767) + tmp = 32767; + if (tmp < -32768) + tmp = -32768; + + e[i] = tmp; + } + + if (check_union128i_w (u, e)) + abort (); +} |