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Diffstat (limited to 'gcc/config/arm/arm.c')
| -rw-r--r-- | gcc/config/arm/arm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index a5edf04b9ed..db2d723ba97 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -23423,8 +23423,11 @@ arm_output_sync_loop (emit_f emit, } } - arm_process_output_memory_barrier (emit, NULL); + /* Note: label is before barrier so that in cmp failure case we still get + a barrier to stop subsequent loads floating upwards past the ldrex + PR target/48126. */ arm_output_asm_insn (emit, 1, operands, "%sLSYB%%=:", LOCAL_LABEL_PREFIX); + arm_process_output_memory_barrier (emit, NULL); } static rtx |