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Diffstat (limited to 'ref_vmax.c')
| -rw-r--r-- | ref_vmax.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/ref_vmax.c b/ref_vmax.c new file mode 100644 index 0000000..d0086e5 --- /dev/null +++ b/ref_vmax.c @@ -0,0 +1,153 @@ +/* + +Copyright (c) 2009, 2010, 2011 STMicroelectronics +Written by Christophe Lyon + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +*/ + +#if defined(__arm__) || defined(__aarch64__) +#include <arm_neon.h> +#else +#include "stm-arm-neon.h" +#endif + +#include "stm-arm-neon-ref.h" +#include <math.h> + +#ifndef INSN_NAME +#define INSN_NAME vmax +#define TEST_MSG "VMAX/VMAXQ" +#endif + +/* Can't use the standard ref_v_binary_op.c template because vmax has + no 64 bits variant */ +#define FNNAME1(NAME) void exec_ ## NAME (void) +#define FNNAME(NAME) FNNAME1(NAME) + +FNNAME (INSN_NAME) +{ + int i; + + /* Basic test: y=OP(x,x), then store the result. */ +#define TEST_BINARY_OP1(INSN, Q, T1, T2, W, N) \ + VECT_VAR(vector_res, T1, W, N) = \ + INSN##Q##_##T2##W(VECT_VAR(vector, T1, W, N), \ + VECT_VAR(vector2, T1, W, N)); \ + vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), VECT_VAR(vector_res, T1, W, N)) + +#define TEST_BINARY_OP(INSN, Q, T1, T2, W, N) \ + TEST_BINARY_OP1(INSN, Q, T1, T2, W, N) \ + + /* With ARM RVCT, we need to declare variables before any executable + statement */ + DECL_VARIABLE_ALL_VARIANTS(vector); + DECL_VARIABLE_ALL_VARIANTS(vector2); + DECL_VARIABLE_ALL_VARIANTS(vector_res); + + clean_results (); + + /* Initialize input "vector" from "buffer" */ + TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector, buffer); +#ifndef NO_FLOAT_VARIANT + VLOAD(vector, buffer, , float, f, 32, 2); + VLOAD(vector, buffer, q, float, f, 32, 4); +#endif + + /* Choose init value arbitrarily, will be used as comparison value */ + VDUP(vector2, , int, s, 8, 8, -13); + VDUP(vector2, , int, s, 16, 4, -14); + VDUP(vector2, , int, s, 32, 2, -16); + VDUP(vector2, , uint, u, 8, 8, 0xf3); + VDUP(vector2, , uint, u, 16, 4, 0xfff1); + VDUP(vector2, , uint, u, 32, 2, 0xfffffff0); + VDUP(vector2, q, int, s, 8, 16, -12); + VDUP(vector2, q, int, s, 16, 8, -13); + VDUP(vector2, q, int, s, 32, 4, -15); + VDUP(vector2, q, uint, u, 8, 16, 0xf9); + VDUP(vector2, q, uint, u, 16, 8, 0xfff2); + VDUP(vector2, q, uint, u, 32, 4, 0xfffffff1); +#ifndef NO_FLOAT_VARIANT + VDUP(vector2, , float, f, 32, 2, -15.5f); + VDUP(vector2, q, float, f, 32, 4, -14.5f); +#endif + +#ifndef NO_FLOAT_VARIANT +#define FLOAT_VARIANT(MACRO, VAR) \ + MACRO(VAR, , float, f, 32, 2); \ + MACRO(VAR, q, float, f, 32, 4) +#else +#define FLOAT_VARIANT(MACRO, VAR) +#endif + +#define TEST_MACRO_NO64BIT_VARIANT_1_5(MACRO, VAR) \ + MACRO(VAR, , int, s, 8, 8); \ + MACRO(VAR, , int, s, 16, 4); \ + MACRO(VAR, , int, s, 32, 2); \ + MACRO(VAR, , uint, u, 8, 8); \ + MACRO(VAR, , uint, u, 16, 4); \ + MACRO(VAR, , uint, u, 32, 2); \ + MACRO(VAR, q, int, s, 8, 16); \ + MACRO(VAR, q, int, s, 16, 8); \ + MACRO(VAR, q, int, s, 32, 4); \ + MACRO(VAR, q, uint, u, 8, 16); \ + MACRO(VAR, q, uint, u, 16, 8); \ + MACRO(VAR, q, uint, u, 32, 4); \ + FLOAT_VARIANT(MACRO, VAR) + + /* Apply a binary operator named INSN_NAME */ + TEST_MACRO_NO64BIT_VARIANT_1_5(TEST_BINARY_OP, INSN_NAME); + + dump_results_hex (TEST_MSG); + + +#ifndef NO_FLOAT_VARIANT + /* Extra FP tests with special values (NaN, ....) */ + VDUP(vector, q, float, f, 32, 4, 1.0f); + VDUP(vector2, q, float, f, 32, 4, NAN); + TEST_BINARY_OP(INSN_NAME, q, float, f, 32, 4); + DUMP_FP(TEST_MSG " FP special (NaN)", float, 32, 4, PRIx32); + + VDUP(vector, q, float, f, 32, 4, -NAN); + VDUP(vector2, q, float, f, 32, 4, 1.0f); + TEST_BINARY_OP(INSN_NAME, q, float, f, 32, 4); + DUMP_FP(TEST_MSG " FP special (-NaN)", float, 32, 4, PRIx32); + + VDUP(vector, q, float, f, 32, 4, 1.0f); + VDUP(vector2, q, float, f, 32, 4, HUGE_VALF); + TEST_BINARY_OP(INSN_NAME, q, float, f, 32, 4); + DUMP_FP(TEST_MSG " FP special (inf)", float, 32, 4, PRIx32); + + VDUP(vector, q, float, f, 32, 4, -HUGE_VALF); + VDUP(vector2, q, float, f, 32, 4, 1.0f); + TEST_BINARY_OP(INSN_NAME, q, float, f, 32, 4); + DUMP_FP(TEST_MSG " FP special (-inf)", float, 32, 4, PRIx32); + + VDUP(vector, q, float, f, 32, 4, 0.0f); + VDUP(vector2, q, float, f, 32, 4, -0.0f); + TEST_BINARY_OP(INSN_NAME, q, float, f, 32, 4); + DUMP_FP(TEST_MSG " FP special (-0.0)", float, 32, 4, PRIx32); + + VDUP(vector, q, float, f, 32, 4, -0.0f); + VDUP(vector2, q, float, f, 32, 4, 0.0f); + TEST_BINARY_OP(INSN_NAME, q, float, f, 32, 4); + DUMP_FP(TEST_MSG " FP special (-0.0)", float, 32, 4, PRIx32); +#endif +} |