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Fix GH-11785: '++nothing+crc' is not a recognized feature for M1 / M2 macOS compile target (#11796)

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#pragma GCC target("+nothing+crc") is means clear outs aarch64_isa_flags.

However, #pragma clang attribute push(__attribute__((target("+nothing+crc") is not means any, then displays ignore feature. (Not reproduce Linux on ARM (ex: Raspberry Pi))

Therefore, Add new #pragma when compiling on M1/M2 macOS.
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2023-07-29 14:00:47 +09:00
committed by GitHub
parent ae3646db48
commit 092726fb1e
1 changed files with 4 additions and 0 deletions
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ext/standard/crc32.c
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@@ -68,6 +68,8 @@ static inline int has_crc32_insn(void) {
# if!defined(__clang__)
# pragma GCC push_options
# pragma GCC target ("+nothing+crc")
# elif defined(__APPLE__)
# pragma clang attribute push(__attribute__((target("crc"))), apply_to=function)
# else
# pragma clang attribute push(__attribute__((target("+nothing+crc"))), apply_to=function)
# endif
@@ -96,6 +98,8 @@ static uint32_t crc32_aarch64(uint32_t crc, const char *p, size_t nr) {
# if defined(__GNUC__)
# if !defined(__clang__)
# pragma GCC pop_options
# elif defined(__APPLE__)
# pragma clang attribute pop
# else
# pragma clang attribute pop
# endif