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MINOR: atomic: don't use ; to separate instruction on aarch64.

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The assembler on MacOS aarch64 interprets ; as the beginning of comments,
so it is not suitable for separating instructions in inline asm. Use \n
instead.

This should be backported to 2.3, 2.2, 2.1, 2.0 and 1.9.
This commit is contained in:
Olivier Houchard 2020-12-23 01:23:41 +01:00
parent 5dcec7e539
commit 63ee281854
1 changed files with 11 additions and 11 deletions
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22
include/haproxy/atomic.h
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@ -504,17 +504,17 @@ static __inline int __ha_cas_dw(void *target, void *compare, void *set)
uint64_t tmp1, tmp2;
__asm__ __volatile__("1:"
"ldxp %0, %1, [%4];"
"mov %2, %0;"
"mov %3, %1;"
"eor %0, %0, %5;"
"eor %1, %1, %6;"
"orr %1, %0, %1;"
"mov %w0, #0;"
"cbnz %1, 2f;"
"stxp %w0, %7, %8, [%4];"
"cbnz %w0, 1b;"
"mov %w0, #1;"
"ldxp %0, %1, [%4]\n"
"mov %2, %0\n"
"mov %3, %1\n"
"eor %0, %0, %5\n"
"eor %1, %1, %6\n"
"orr %1, %0, %1\n"
"mov %w0, #0\n"
"cbnz %1, 2f\n"
"stxp %w0, %7, %8, [%4]\n"
"cbnz %w0, 1b\n"
"mov %w0, #1\n"
"2:"
: "=&r" (tmp1), "=&r" (tmp2), "=&r" (value[0]), "=&r" (value[1])
: "r" (target), "r" (((void **)(compare))[0]), "r" (((void **)(compare))[1]), "r" (((void **)(set))[0]), "r" (((void **)(set))[1])