47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
/*
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Generic no libc std parts.
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*/
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#include <stddef.h>
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/* Compiler depends on them with low optimization level. */
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void *memcpy(void *__restrict dest, const void *__restrict src, size_t n) {
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for (size_t i = 0; i < n; ++i)
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((char *)dest)[i] = ((char *)src)[i];
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return dest;
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};
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void *memset(void *__restrict dest, int s, size_t n) {
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for (size_t i = 0; i < n; ++i)
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((char *)dest)[i] = s;
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return dest;
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};
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size_t strlen(char const *s) {
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char const *p = s;
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for (; *p != 0; ++p) {
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}
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return p - s;
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}
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double com_std_sin(double v) {
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double result;
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__asm__ __volatile__("fldl %1\n\t"
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"fsin\n\t"
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"fstpl %0"
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: "=g"(result)
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: "m"(v)
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: "st", "st(1)");
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return result;
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}
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double com_std_cos(double v) {
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double result;
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__asm__ __volatile__("fldl %1\n\t"
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"fcos\n\t"
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"fstpl %0"
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: "=g"(result)
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: "m"(v));
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return result;
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}
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