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gcc7: comments for falling through a switch case

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GCC 7 adds a warning -Wimplicit-fallthrough to catch when falling
through a switch statement without a break. Since we actually want that
behaviour sometimes, we can add a comment so the compiler knows we
intended the fallthrough.
This commit is contained in:
Matthew Barr
2017-04-10 13:25:07 +10:00
parent 055ff7391c
commit 221229f71c
3 changed files with 22 additions and 15 deletions
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9
src/nfa/limex_runtime_impl.h
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@@ -173,25 +173,32 @@ size_t RUN_ACCEL_FN(const STATE_T s, UNUSED const STATE_T accelMask,
switch (limex_m->shiftCount) { \
case 8: \
succ_m = OR_STATE(succ_m, NFA_EXEC_LIM_SHIFT(limex_m, curr_m, 7)); \
/* fallthrough */ \
case 7: \
succ_m = OR_STATE(succ_m, NFA_EXEC_LIM_SHIFT(limex_m, curr_m, 6)); \
/* fallthrough */ \
case 6: \
succ_m = OR_STATE(succ_m, NFA_EXEC_LIM_SHIFT(limex_m, curr_m, 5)); \
/* fallthrough */ \
case 5: \
succ_m = OR_STATE(succ_m, NFA_EXEC_LIM_SHIFT(limex_m, curr_m, 4)); \
/* fallthrough */ \
case 4: \
succ_m = OR_STATE(succ_m, NFA_EXEC_LIM_SHIFT(limex_m, curr_m, 3)); \
/* fallthrough */ \
case 3: \
succ_m = OR_STATE(succ_m, NFA_EXEC_LIM_SHIFT(limex_m, curr_m, 2)); \
/* fallthrough */ \
case 2: \
succ_m = OR_STATE(succ_m, NFA_EXEC_LIM_SHIFT(limex_m, curr_m, 1)); \
/* fallthrough */ \
case 1: \
/* fallthrough */ \
case 0: \
; \
} \
} while (0)
/**
* \brief LimEx NFAS inner loop without accel.
*