forked from OSchip/llvm-project
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
// REQUIRES-ANY: arm-target-arch,armv6m-target-arch
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// RUN: %arm_call_apsr -o %t.aspr.o
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// RUN: %clang_builtins %s %t.aspr.o %librt -o %t && %run %t
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//===-- aeabi_cdcmple.c - Test __aeabi_cdcmple and __aeabi_cdrcmple -------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __aeabi_cdcmple and __aeabi_cdrcmple for the compiler_rt
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// library.
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//
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//===----------------------------------------------------------------------===//
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "call_apsr.h"
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#if __arm__
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extern __attribute__((pcs("aapcs"))) void __aeabi_cdcmple(double a, double b);
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extern __attribute__((pcs("aapcs"))) void __aeabi_cdrcmple(double a, double b);
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int test__aeabi_cdcmple(double a, double b, int expected)
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{
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int32_t cpsr_value = call_apsr_d(a, b, __aeabi_cdcmple);
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int32_t r_cpsr_value = call_apsr_d(b, a, __aeabi_cdrcmple);
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if (cpsr_value != r_cpsr_value) {
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printf("error: __aeabi_cdcmple(%f, %f) != __aeabi_cdrcmple(%f, %f)\n", a, b, b, a);
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return 1;
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}
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int expected_z, expected_c;
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if (expected == -1) {
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expected_z = 0;
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expected_c = 0;
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} else if (expected == 0) {
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expected_z = 1;
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expected_c = 1;
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} else {
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// a or b is NaN, or a > b
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expected_z = 0;
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expected_c = 1;
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}
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union cpsr cpsr = { .value = cpsr_value };
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if (expected_z != cpsr.flags.z || expected_c != cpsr.flags.c) {
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printf("error in __aeabi_cdcmple(%f, %f) => (Z = %d, C = %d), expected (Z = %d, C = %d)\n",
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a, b, cpsr.flags.z, cpsr.flags.c, expected_z, expected_c);
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return 1;
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}
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cpsr.value = r_cpsr_value;
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if (expected_z != cpsr.flags.z || expected_c != cpsr.flags.c) {
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printf("error in __aeabi_cdrcmple(%f, %f) => (Z = %d, C = %d), expected (Z = %d, C = %d)\n",
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a, b, cpsr.flags.z, cpsr.flags.c, expected_z, expected_c);
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return 1;
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}
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return 0;
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}
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#endif
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int main()
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{
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#if __arm__
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if (test__aeabi_cdcmple(1.0, 1.0, 0))
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return 1;
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if (test__aeabi_cdcmple(1234.567, 765.4321, 1))
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return 1;
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if (test__aeabi_cdcmple(765.4321, 1234.567, -1))
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return 1;
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if (test__aeabi_cdcmple(-123.0, -678.0, 1))
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return 1;
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if (test__aeabi_cdcmple(-678.0, -123.0, -1))
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return 1;
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if (test__aeabi_cdcmple(0.0, -0.0, 0))
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return 1;
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if (test__aeabi_cdcmple(1.0, NAN, 1))
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return 1;
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if (test__aeabi_cdcmple(NAN, 1.0, 1))
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return 1;
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if (test__aeabi_cdcmple(NAN, NAN, 1))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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