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UnicronNLandClaude Opus 5.5
4f042f7225
Interpreter + JIT for ARM, Thumb-2, VFPv4 and NEON, ARM EABI syscall translation, signals, threads and self-modifying code. Runs static bionic programs on the Frame. Tests: A64 encoders vs llvm-mc, a differential instruction fuzzer and program tests against qemu-arm. Not shipped; the README lists the steps towards running 32-bit-only APKs. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/* Integer, 64-bit, float/double, libm and printf coverage. */
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#include <inttypes.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static uint32_t h = 2166136261u;
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static void mix(uint64_t v) { for (int k = 0; k < 8; k++) h = (h ^ (uint8_t)(v >> (8 * k))) * 16777619u; }
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static void mixd(double d) { uint64_t v; memcpy(&v, &d, 8); mix(v); }
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__attribute__((noinline)) static int64_t div64(int64_t a, int64_t b) { return b ? a / b : 0; }
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__attribute__((noinline)) static uint64_t udiv64(uint64_t a, uint64_t b) { return b ? a % b : 0; }
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int main(int argc, char **argv)
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{
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printf("argc=%d argv0_tail=%s\n", argc, strrchr(argv[0], '/') ? strrchr(argv[0], '/') + 1 : argv[0]);
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uint32_t x = 0x12345678u;
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for (int i = 0; i < 1000; i++) {
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x ^= x << 13;
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x ^= x >> 17;
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x ^= x << 5;
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int32_t s = (int32_t)x;
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mix(x);
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mix((uint64_t)x * 0x9e3779b97f4a7c15ull);
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mix(div64((int64_t)s * 12345, (int32_t)(x | 1) >> 3));
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mix(udiv64((uint64_t)x << 20 | i, (x >> 7) + 1));
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mix(x / ((x >> 11) + 1));
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mix((uint32_t)(s >> (i & 31)));
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mix(__builtin_clz(x | 1) + __builtin_ctz(x | 0x80000000u) + __builtin_popcount(x));
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mix(__builtin_bswap32(x));
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double d = (double)s / 1000.0;
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float f = (float)d * 0.5f;
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mixd(d);
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mixd(f);
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mixd(sqrt(fabs(d)));
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mixd(sin(d) + cos(d));
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mixd(exp(d / 1e6));
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mixd(log(fabs(d) + 1));
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mixd(pow(fabs(d) / 1e6 + 1, 1.5));
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mixd(floor(d) + ceil(f) + round(d) + trunc(f));
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mixd(fmod(d, 7.25));
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mixd(atan2(d, f + 1));
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mix((int64_t)d);
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mix((uint32_t)(int32_t)f);
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mix((int64_t)(f * 1e3f));
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mix(lrint(d));
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mixd(sqrtf(fabsf(f)));
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mixd(fmaf(f, 1.25f, -f));
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}
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printf("hash %08x\n", h);
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printf("%d %u %lld %llx %.6f %.3e %g %s %c %5.2f%%\n", -42, 42u, -123456789012345LL, 0xdeadbeefcafeULL, M_PI,
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6.02214076e23, 1.0 / 3, "str", 'c', 99.5);
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char buf[64];
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snprintf(buf, sizeof buf, "%08.3f|%-6d|%+d", -3.14159, 7, 9);
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printf("%s\n", buf);
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printf("strtod %.10g strtol %ld atof %.4f\n", strtod("1.5e-3", NULL), strtol("-0x7f", NULL, 16), atof("2.718281828"));
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return 3;
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}
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