diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/sse-recip.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/sse-recip.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/sse-recip.c b/gcc/testsuite/gcc.target/i386/sse-recip.c new file mode 100644 index 000000000..4f7d3bf3d --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/sse-recip.c @@ -0,0 +1,34 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -ffast-math -msse -mfpmath=sse -mrecip" } */ +/* { dg-require-effective-target sse } */ + +#include "sse-check.h" + +extern float sqrtf (float); +extern float fabsf (float); + +#define N 8 + +static void +sse_test (void) +{ + float a[N] = { 0.f, 18.f, 108.f, 324.f, 720.f, 1944.f, 3087.f, 5832.f }; + float b[N] = { 1.f, 2.f, 3.f, 4.f, 5.f, 6.f, 7.f, 8.f }; + float r[N]; + + float rc[N] = { 0.f, 3.f, 6.f, 9.f, 12.f, 18.f, 21.f, 27.f }; + + int i; + + for (i = 0; i < N; i++) + { + r[i] = sqrtf (a[i] / b[i]); + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (fabsf (r[i] - rc[i]) > 0.0001) + abort(); + } +} |