Viewing file:  bfloat16_simd_2.c (1.85 KB) -rw-r--r--
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/* { dg-do assemble { target { aarch64*-*-* } } } */
/* { dg-require-effective-target arm_v8_2a_bf16_neon_ok } */
/* { dg-additional-options "-march=armv8.2-a -O3 --save-temps" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include <arm_neon.h>
#pragma GCC push_options
#pragma GCC target ("+bf16")
/*
**stacktest1:
** sub sp, sp, #16
** str h0, \[sp, 14\]
** ldr h0, \[sp, 14\]
** add sp, sp, 16
** ret
*/
bfloat16_t stacktest1 (bfloat16_t __a)
{
volatile bfloat16_t b = __a;
return b;
}
/*
**stacktest2:
** sub sp, sp, #16
** str d0, \[sp, 8\]
** ldr d0, \[sp, 8\]
** add sp, sp, 16
** ret
*/
bfloat16x4_t stacktest2 (bfloat16x4_t __a)
{
volatile bfloat16x4_t b = __a;
return b;
}
/*
**stacktest3:
** sub sp, sp, #16
** str q0, \[sp\]
** ldr q0, \[sp\]
** add sp, sp, 16
** ret
*/
bfloat16x8_t stacktest3 (bfloat16x8_t __a)
{
volatile bfloat16x8_t b = __a;
return b;
}
/* Test compilation of __attribute__ vectors of 8, 16, 32, etc. BFloats. */
typedef bfloat16_t v8bf __attribute__((vector_size(16)));
typedef bfloat16_t v16bf __attribute__((vector_size(32)));
typedef bfloat16_t v32bf __attribute__((vector_size(64)));
typedef bfloat16_t v64bf __attribute__((vector_size(128)));
typedef bfloat16_t v128bf __attribute__((vector_size(256)));
v8bf stacktest4 (v8bf __a)
{
volatile v8bf b = __a;
return b;
}
v16bf stacktest5 (v16bf __a)
{
volatile v16bf b = __a;
return b;
}
v32bf stacktest6 (v32bf __a)
{
volatile v32bf b = __a;
return b;
}
v64bf stacktest7 (v64bf __a)
{
volatile v64bf b = __a;
return b;
}
v128bf stacktest8 (v128bf __a)
{
volatile v128bf b = __a;
return b;
}
/* Test use of constant values to assign values to vectors. */
typedef bfloat16_t v2bf __attribute__((vector_size(4)));
v2bf c2 (void) { return (v2bf) 0x12345678; }
bfloat16x4_t c3 (void) { return (bfloat16x4_t) 0x1234567812345678; }
#pragma GCC pop_options
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