diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/sse4_1-packusdw.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/sse4_1-packusdw.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/sse4_1-packusdw.c b/gcc/testsuite/gcc.target/i386/sse4_1-packusdw.c new file mode 100644 index 00000000000..d21f4463863 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/sse4_1-packusdw.c @@ -0,0 +1,65 @@ +/* { dg-do run { target i?86-*-* x86_64-*-* } } */ +/* { dg-require-effective-target sse4 } */ +/* { dg-options "-O2 -msse4.1" } */ + +#include "sse4_1-check.h" + +#include <smmintrin.h> + +#define NUM 64 + +static unsigned short +int_to_ushort (int iVal) +{ + unsigned short sVal; + + if (iVal < 0) + sVal = 0; + else if (iVal > 0xffff) + sVal = 0xffff; + else sVal = iVal; + + return sVal; +} + +static void +sse4_1_test (void) +{ + union + { + __m128i x[NUM / 4]; + int i[NUM]; + } src1, src2; + union + { + __m128i x[NUM / 4]; + unsigned short s[NUM * 2]; + } dst; + int i, sign = 1; + + for (i = 0; i < NUM; i++) + { + src1.i[i] = i * i * sign; + src2.i[i] = (i + 20) * sign; + sign = -sign; + } + + for (i = 0; i < NUM; i += 4) + dst.x[i / 4] = _mm_packus_epi32 (src1.x [i / 4], src2.x [i / 4]); + + for (i = 0; i < NUM; i ++) + { + int dstIndex; + unsigned short sVal; + + sVal = int_to_ushort (src1.i[i]); + dstIndex = (i % 4) + (i / 4) * 8; + if (sVal != dst.s[dstIndex]) + abort (); + + sVal = int_to_ushort (src2.i[i]); + dstIndex += 4; + if (sVal != dst.s[dstIndex]) + abort (); + } +} |