/* { dg-do run } */ /* { dg-options "-O3 -mvsx -Wno-psabi" } */ /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */ /* { dg-require-effective-target p8vector_hw } */ #ifndef CHECK_H #define CHECK_H "sse2-check.h" #endif #include CHECK_H #ifndef TEST #define TEST sse2_test_psubusw_1 #endif #include static __m128i __attribute__((noinline, unused)) test (__m128i s1, __m128i s2) { __asm("" : "+v"(s1), "+v"(s2)); return _mm_subs_epu16 (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 = (unsigned short)s1.a[i] - (unsigned short)s2.a[i]; if (tmp > 65535) tmp = -1; if (tmp < 0) tmp = 0; e[i] = tmp; } if (check_union128i_w (u, e)) abort (); }