diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/bfp/vec-insert-exp-10.c')
-rw-r--r-- | gcc/testsuite/gcc.target/powerpc/bfp/vec-insert-exp-10.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/vec-insert-exp-10.c b/gcc/testsuite/gcc.target/powerpc/bfp/vec-insert-exp-10.c new file mode 100644 index 00000000000..020d09abe13 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/bfp/vec-insert-exp-10.c @@ -0,0 +1,44 @@ +/* { dg-do run { target { powerpc*-*-* } } } */ +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */ +/* { dg-require-effective-target p9vector_hw } */ +/* { dg-options "-mcpu=power9" } */ + +#include <altivec.h> +#include <stdlib.h> + +__vector float +make_floats (__vector float *significands_p, + __vector unsigned int *exponents_p) +{ + __vector float significands = *significands_p; + __vector unsigned int exponents = *exponents_p; + + return vec_insert_exp (significands, exponents); +} + +int +main () +{ + __vector unsigned int significands; + __vector float *significands_p = (__vector float *) &significands; + __vector unsigned int exponents; + __vector float result; + + /* 24 bits in significand, plus the sign bit: 0x80ffffff */ + significands[0] = 0x00800000; /* 1.0 */ + significands[1] = 0x00c00000; /* 1.5 */ + significands[2] = 0x80e00000; /* -1.75 */ + significands[3] = 0x80c00000; /* -1.5 */ + + exponents[0] = 127; /* exp = 0: 1.0 */ + exponents[1] = 128; /* exp = 1: 3.0 */ + exponents[2] = 129; /* exp = 2: -7.0 */ + exponents[3] = 125; /* exp = -2: -0.375 */ + + result = make_floats (significands_p, &exponents); + if ((result[0] != 1.0f) || + (result[1] != 3.0f) || (result[2] != -7.0f) || (result[3] != -0.375f)) + abort(); + return 0; +} + |