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Add dontthrow attribute to most libc functions

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This will help C++ code that uses exceptions to be tinier. For example,
this change shaves away 1000 lines of assembly code from LLVM's libcxx,
which is 0.7% of all assembly instructions in the entire library.
This commit is contained in:
Justine Tunney 2024-01-09 01:26:03 -08:00
parent cb19e172da
commit eeb20775d2
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GPG key ID: BE714B4575D6E328
103 changed files with 1455 additions and 1456 deletions
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13
libc/mem/alg.h
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@ -3,12 +3,11 @@
COSMOPOLITAN_C_START_
void *bsearch(const void *, const void *, size_t, size_t,
int (*)(const void *, const void *))
paramsnonnull() dontthrow nosideeffect;
int (*)(const void *, const void *)) paramsnonnull() nosideeffect;
void *bsearch_r(const void *, const void *, size_t, size_t,
int (*)(const void *, const void *, void *), void *)
paramsnonnull((1, 2, 5)) dontthrow nosideeffect;
void djbsort(int32_t *, size_t);
paramsnonnull((1, 2, 5)) nosideeffect;
void djbsort(int32_t *, size_t) libcesque;
void qsort3(void *, size_t, size_t, int (*)(const void *, const void *))
paramsnonnull();
void qsort(void *, size_t, size_t, int (*)(const void *, const void *))
@ -26,10 +25,8 @@ int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
int mergesort_r(void *, size_t, size_t,
int (*)(const void *, const void *, void *), void *);
#define __algalloc returnspointerwithnoaliases dontthrow nocallback __wur
int radix_sort_int32(int32_t *, size_t);
int radix_sort_int64(int64_t *, size_t);
int radix_sort_int32(int32_t *, size_t) libcesque;
int radix_sort_int64(int64_t *, size_t) libcesque;
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_ALG_ALG_H_ */