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Fix __sync_fetch_and_nand_* for pre-v6 ARM 

gcc changed semantics for __sync_fetch_and_nand_* in gcc 4.4,
and this was implementing the old semantics:
https://gcc.gnu.org/onlinedocs/gcc-8.2.0/gcc/_005f_005fsync-Builtins.html
This commit is contained in:
Adrian Bunk 2018-08-18 12:29:01 +03:00
parent aeea9ca3ed
commit 8a0033ebfc
1 changed files with 3 additions and 3 deletions
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6
src/arm_linux.rs
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@ -125,9 +125,9 @@ atomic_rmw!(__sync_fetch_and_xor_1, u8, |a: u8, b: u8| a ^ b);
atomic_rmw!(__sync_fetch_and_xor_2, u16, |a: u16, b: u16| a ^ b); atomic_rmw!(__sync_fetch_and_xor_2, u16, |a: u16, b: u16| a ^ b);
atomic_rmw!(__sync_fetch_and_xor_4, u32, |a: u32, b: u32| a ^ b); atomic_rmw!(__sync_fetch_and_xor_4, u32, |a: u32, b: u32| a ^ b);
atomic_rmw!(__sync_fetch_and_nand_1, u8, |a: u8, b: u8| !a & b); atomic_rmw!(__sync_fetch_and_nand_1, u8, |a: u8, b: u8| !(a & b));
atomic_rmw!(__sync_fetch_and_nand_2, u16, |a: u16, b: u16| !a & b); atomic_rmw!(__sync_fetch_and_nand_2, u16, |a: u16, b: u16| !(a & b));
atomic_rmw!(__sync_fetch_and_nand_4, u32, |a: u32, b: u32| !a & b); atomic_rmw!(__sync_fetch_and_nand_4, u32, |a: u32, b: u32| !(a & b));
atomic_rmw!(__sync_fetch_and_max_1, i8, |a: i8, b: i8| if a > b { a } else { b }); atomic_rmw!(__sync_fetch_and_max_1, i8, |a: i8, b: i8| if a > b { a } else { b });
atomic_rmw!(__sync_fetch_and_max_2, i16, |a: i16, b: i16| if a > b { a } else { b }); atomic_rmw!(__sync_fetch_and_max_2, i16, |a: i16, b: i16| if a > b { a } else { b });