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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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6
libc/intrin/bswap.h
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@ -2,9 +2,9 @@
#define COSMOPOLITAN_LIBC_BITS_BSWAP_H_
COSMOPOLITAN_C_START_
uint16_t bswap_16(uint16_t) pureconst;
uint32_t bswap_32(uint32_t) pureconst;
uint64_t bswap_64(uint64_t) pureconst;
libcesque uint16_t bswap_16(uint16_t) pureconst;
libcesque uint32_t bswap_32(uint32_t) pureconst;
libcesque uint64_t bswap_64(uint64_t) pureconst;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define bswap_16(x) __builtin_bswap16(x)