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-- { dg-do run { target i?86-*-* x86_64-*-* } }
-- { dg-options "-O1 -msse" }
-- { dg-require-effective-target sse_runtime }
with Ada.Unchecked_Conversion;
procedure SSE_Nolib is
-- Base vector type definitions
package SSE_Types is
VECTOR_ALIGN : constant := 16;
VECTOR_BYTES : constant := 16;
type m128 is private;
private
type m128 is array (1 .. 4) of Float;
for m128'Alignment use VECTOR_ALIGN;
pragma Machine_Attribute (m128, "vector_type");
pragma Machine_Attribute (m128, "may_alias");
end SSE_Types;
use SSE_Types;
-- Core operations
function mm_add_ss (A, B : m128) return m128;
pragma Import (Intrinsic, mm_add_ss, "__builtin_ia32_addss");
-- User views / conversions or overlays
type Vf32_View is array (1 .. 4) of Float;
for Vf32_View'Alignment use VECTOR_ALIGN;
function To_m128 is new Ada.Unchecked_Conversion (Vf32_View, m128);
function To_m128 is new Ada.Unchecked_Conversion (m128, Vf32_View);
X, Y, Z : M128;
Vz : Vf32_View;
for Vz'Address use Z'Address;
begin
X := To_m128 ((1.0, 1.0, 2.0, 2.0));
Y := To_m128 ((2.0, 2.0, 1.0, 1.0));
Z := mm_add_ss (X, Y);
if Vz /= (3.0, 1.0, 2.0, 2.0) then
raise Program_Error;
end if;
end SSE_Nolib;
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