Viewing file:  vec_init_1.c (1.15 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O2 -fomit-frame-pointer --save-temps -fno-inline" } */
extern void abort (void);
typedef float float16x4_t __attribute__ ((vector_size ((16))));
float a;
float b;
float16x4_t
make_vector ()
{
return (float16x4_t) { 0, 0, a, b };
}
int
main (int argc, char **argv)
{
a = 4.0;
b = 3.0;
float16x4_t vec = make_vector ();
if (vec[0] != 0 || vec[1] != 0 || vec[2] != a || vec[3] != b)
abort ();
return 0;
}
/* For memory models that don't have an addend on the lane value
load we can merge the load and lane insert into an LD1.
For others we expect LDR + INS sequences. */
/* { dg-final { scan-assembler-times "ld1\\t" 2 { target { aarch64_tiny || aarch64_large } } } } */
/* { dg-final { scan-assembler-times "ins\\t" 2 { target aarch64_small } } } */
/* What we want to check, is that make_vector does not stp the whole vector
to the stack. Unfortunately here we scan the body of main() too, which may
be a bit fragile - the test is currently passing only because of the option
-fomit-frame-pointer which avoids use of stp in the prologue to main(). */
/* { dg-final { scan-assembler-not "stp\\t" } } */
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