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4bed08beba
Enable those tests so we won't make too stupid mistakes in 16B atomic implementation anymore. All these test passed on a Loongson 3C6000/S except atomic-other-int128.c. With GDB patched to support sc.q (https://sourceware.org/pipermail/gdb-patches/2025-August/220034.html) this test also XPASS. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_loongarch_scq_hw): New. (check_effective_target_sync_int_128_runtime): Return 1 on loongarch64-*-* if hardware supports both LSX and SCQ. * gcc.dg/atomic-compare-exchange-5.c: Pass -mlsx -mscq for loongarch64-*-*. * gcc.dg/atomic-exchange-5.c: Likewise. * gcc.dg/atomic-load-5.c: Likewise. * gcc.dg/atomic-op-5.c: Likewise. * gcc.dg/atomic-store-5.c: Likewise. * gcc.dg/atomic-store-6.c: Likewise. * gcc.dg/simulate-thread/atomic-load-int128.c: Likewise. * gcc.dg/simulate-thread/atomic-other-int128.c: Likewise. (dg-final): xfail on loongarch64-*-* because gdb does not handle sc.q properly yet.
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