Viewing file:  vqshrun_high_n.c (4.73 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-skip-if "" { arm*-*-* } } */
#include <arm_neon.h>
#include "arm-neon-ref.h"
#include "compute-ref-data.h"
/* Expected results with negative input. */
VECT_VAR_DECL(expected_neg,uint,8,16) [] = { 0xfe, 0xfe, 0xfe, 0xfe,
0xfe, 0xfe, 0xfe, 0xfe,
0x0, 0x0, 0x0, 0x0,
0x0,0x0, 0x0, 0x0 };
VECT_VAR_DECL(expected_neg,uint,16,8) [] = { 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0x0, 0x0, 0x0, 0x0, 0x0 };
VECT_VAR_DECL(expected_neg,uint,32,4) [] = { 0xfffffffc, 0xfffffffc,
0x0, 0x0 };
/* Expected results with max input value shifted by 1. */
VECT_VAR_DECL(expected_max_sh1,uint,8,16) [] = { 0x7f, 0x7f, 0x7f, 0x7f,
0x7f, 0x7f, 0x7f, 0x7f,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff };
VECT_VAR_DECL(expected_max_sh1,uint,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
0xffff, 0xffff, 0xffff, 0xffff };
VECT_VAR_DECL(expected_max_sh1,uint,32,4) [] = { 0x7fffffff, 0x7fffffff,
0xffffffff, 0xffffffff };
/* Expected results. */
VECT_VAR_DECL(expected,uint,8,16) [] = { 0x12, 0x12, 0x12, 0x12,
0x12, 0x12, 0x12, 0x12,
0x48, 0x48, 0x48, 0x48,
0x48, 0x48, 0x48, 0x48 };
VECT_VAR_DECL(expected,uint,16,8) [] = { 0x4321, 0x4321, 0x4321, 0x4321,
0x0, 0x0, 0x0, 0x0 };
VECT_VAR_DECL(expected,uint,32,4) [] = { 0xdeadbeef, 0xdeadbeef,
0xdeadbe, 0xdeadbe };
#define INSN vqshrun_high_n
#define TEST_MSG "VQSHRUN_HIGH_N"
#define FNNAME1(NAME) void exec_ ## NAME (void)
#define FNNAME(NAME) FNNAME1(NAME)
FNNAME (INSN)
{
/* Basic test: y=vqshrun_high_n(x,v), then store the result. */
#define TEST_VQSHRUN_HIGH_N2(INSN, T1, T2, W, W2, N, N2, V) \
VECT_VAR(vector_res, uint, W2, N2) = \
INSN##_##T2##W(VECT_VAR(vector1,uint, W2, N), \
VECT_VAR(vector2, T1, W, N), V); \
vst1q_u##W2(VECT_VAR(result, uint, W2, N2), \
VECT_VAR(vector_res, uint, W2, N2)); \
/* Two auxliary macros are necessary to expand INSN */
#define TEST_VQSHRUN_HIGH_N1(INSN, T1, T2, W, W2, N, N2, V) \
TEST_VQSHRUN_HIGH_N2(INSN, T1, T2, W, W2, N, N2, V)
#define TEST_VQSHRUN_HIGH_N(T1, T2, W, W2, N, N2, V) \
TEST_VQSHRUN_HIGH_N1(INSN, T1, T2, W, W2, N, N2, V)
DECL_VARIABLE(vector1, uint, 8, 8);
DECL_VARIABLE(vector1, uint, 16, 4);
DECL_VARIABLE(vector1, uint, 32, 2);
/* vector is twice as large as vector_res. */
DECL_VARIABLE(vector2, int, 16, 8);
DECL_VARIABLE(vector2, int, 32, 4);
DECL_VARIABLE(vector2, int, 64, 2);
DECL_VARIABLE(vector_res, uint, 8, 16);
DECL_VARIABLE(vector_res, uint, 16, 8);
DECL_VARIABLE(vector_res, uint, 32, 4);
clean_results ();
/* Fill input vector with negative values, to check saturation on
limits. */
VDUP(vector1, , uint, u, 8, 8, -2);
VDUP(vector1, , uint, u, 16, 4, -3);
VDUP(vector1, , uint, u, 32, 2, -4);
VDUP(vector2, q, int, s, 16, 8, -2);
VDUP(vector2, q, int, s, 32, 4, -3);
VDUP(vector2, q, int, s, 64, 2, -4);
/* Choose shift amount arbitrarily. */
#define CMT " (negative input)"
TEST_VQSHRUN_HIGH_N(int, s, 16, 8, 8, 16, 3);
TEST_VQSHRUN_HIGH_N(int, s, 32, 16, 4, 8, 4);
TEST_VQSHRUN_HIGH_N(int, s, 64, 32, 2, 4, 2);
CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_neg, CMT);
CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_neg, CMT);
CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_neg, CMT);
/* Fill input vector with max value, to check saturation on
limits. */
VDUP(vector1, , uint, u, 8, 8, 0x7F);
VDUP(vector1, , uint, u, 16, 4, 0x7FFF);
VDUP(vector1, , uint, u, 32, 2, 0x7FFFFFFFLL);
VDUP(vector2, q, int, s, 16, 8, 0x7FFF);
VDUP(vector2, q, int, s, 32, 4, 0x7FFFFFFF);
VDUP(vector2, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL);
#undef CMT
#define CMT " (check cumulative saturation)"
TEST_VQSHRUN_HIGH_N(int, s, 16, 8, 8, 16, 1);
TEST_VQSHRUN_HIGH_N(int, s, 32, 16, 4, 8, 1);
TEST_VQSHRUN_HIGH_N(int, s, 64, 32, 2, 4, 1);
CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected_max_sh1, CMT);
CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected_max_sh1, CMT);
CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_max_sh1, CMT);
/* Fill input vector with positive values, to check normal case. */
VDUP(vector1, , uint, u, 8, 8, 0x12);
VDUP(vector1, , uint, u, 16, 4, 0x4321);
VDUP(vector1, , uint, u, 32, 2, 0xDEADBEEF);
VDUP(vector2, q, int, s, 16, 8, 0x1234);
VDUP(vector2, q, int, s, 32, 4, 0x87654321);
VDUP(vector2, q, int, s, 64, 2, 0xDEADBEEF);
#undef CMT
#define CMT ""
TEST_VQSHRUN_HIGH_N(int, s, 16, 8, 8, 16, 6);
TEST_VQSHRUN_HIGH_N(int, s, 32, 16, 4, 8, 7);
TEST_VQSHRUN_HIGH_N(int, s, 64, 32, 2, 4, 8);
CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected, CMT);
CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected, CMT);
CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected, CMT);
}
int main (void)
{
exec_vqshrun_high_n ();
return 0;
}
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