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Walk back most uses of __STRICT_ANSI__

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Justine Tunney 2024-02-27 04:09:49 -08:00
parent 7c7bf4bb90
commit 0ef36489c8
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GPG key ID: BE714B4575D6E328
11 changed files with 109 additions and 193 deletions
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22
libc/log/libfatal.internal.h
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@ -25,33 +25,33 @@ forceinline char *__stpcpy(char *d, const char *s) {
}
forceinline void *__repstosb(void *di, char al, size_t cx) {
#if defined(__x86__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm("rep stosb"
: "=D"(di), "=c"(cx), "=m"(*(char(*)[cx])di)
: "0"(di), "1"(cx), "a"(al));
#if defined(__x86__) && defined(__GNUC__)
__asm__("rep stosb"
: "=D"(di), "=c"(cx), "=m"(*(char(*)[cx])di)
: "0"(di), "1"(cx), "a"(al));
return di;
#else
char *d = di;
while (cx--) {
*d++ = al;
asm volatile("" ::: "memory");
__asm__ volatile("" ::: "memory");
}
return (void *)d;
#endif
}
forceinline void *__repmovsb(void *di, const void *si, size_t cx) {
#if defined(__x86__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
asm("rep movsb"
: "=D"(di), "=S"(si), "=c"(cx), "=m"(*(char(*)[cx])di)
: "0"(di), "1"(si), "2"(cx), "m"(*(char(*)[cx])si));
#if defined(__x86__) && defined(__GNUC__)
__asm__("rep movsb"
: "=D"(di), "=S"(si), "=c"(cx), "=m"(*(char(*)[cx])di)
: "0"(di), "1"(si), "2"(cx), "m"(*(char(*)[cx])si));
return di;
#else
char *d = di;
const char *s = si;
while (cx--) {
*d++ = *s++;
asm volatile("" ::: "memory");
__asm__ volatile("" ::: "memory");
}
return (void *)d;
#endif
@ -61,7 +61,7 @@ forceinline void *__mempcpy(void *d, const void *s, size_t n) {
size_t i;
for (i = 0; i < n; ++i) {
((char *)d)[i] = ((const char *)s)[i];
asm volatile("" ::: "memory");
__asm__ volatile("" ::: "memory");
}
return (char *)d + n;
}