tree base_type, int num)
{
tree t, ret_type;
- unsigned int elt_bits, count;
+ unsigned int elt_bits, count = 0;
unsigned HOST_WIDE_INT const_simdlen;
poly_uint64 vec_bits;
elt_bits = GET_MODE_BITSIZE (SCALAR_TYPE_MODE (base_type));
if (known_eq (clonei->simdlen, 0U))
{
- count = 2;
- vec_bits = (num == 0 ? 64 : 128);
+ /* We don't support simdlen == 1. */
+ if (known_eq (elt_bits, 64))
+ {
+ count = 1;
+ vec_bits = 128;
+ }
+ else
+ {
+ count = 2;
+ vec_bits = (num == 0 ? 64 : 128);
+ }
clonei->simdlen = exact_div (vec_bits, elt_bits);
}
- else
+ else if (maybe_ne (clonei->simdlen, 1U))
{
count = 1;
vec_bits = clonei->simdlen * elt_bits;
return 0;
}
}
+
clonei->vecsize_int = vec_bits;
clonei->vecsize_float = vec_bits;
return count;
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-Ofast -march=armv8-a" } */
+
+__attribute__ ((__simd__ ("notinbranch"), const))
+double cos (double);
+
+void foo (float *a, double *b)
+{
+ for (int i = 0; i < 12; i+=3)
+ {
+ b[i] = cos (5.0 * a[i]);
+ b[i+1] = cos (5.0 * a[i+1]);
+ b[i+2] = cos (5.0 * a[i+2]);
+ }
+}
+
+/* { dg-final { scan-assembler-times {bl\t_ZGVnN2v_cos} 6 } } */
}
/* { dg-final { scan-assembler-not {\.variant_pcs\tfoo} } } */
-/* { dg-final { scan-assembler-times {\.variant_pcs\t_ZGVnM1v_foo} 1 } } */
+/* { dg-final { scan-assembler-not {\.variant_pcs\t_ZGVnM1v_foo} } } */
/* { dg-final { scan-assembler-times {\.variant_pcs\t_ZGVnM2v_foo} 1 } } */
-/* { dg-final { scan-assembler-times {\.variant_pcs\t_ZGVnN1v_foo} 1 } } */
+/* { dg-final { scan-assembler-not {\.variant_pcs\t_ZGVnN1v_foo} } } */
/* { dg-final { scan-assembler-times {\.variant_pcs\t_ZGVnN2v_foo} 1 } } */