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Introduce a 64-bit LimEx model.

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On 64-bit platforms, the Limex 64 model is implemented in normal GPRs.
On 32-bit platforms, however, 128-bit SSE registers are used for the
runtime implementation.
This commit is contained in:
Alex Coyte
2016-08-26 14:17:41 +10:00
committed by Matthew Barr
parent 3cf4199879
commit a08e1dd690
28 changed files with 441 additions and 351 deletions
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13
src/nfa/limex_compile.cpp
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@@ -1438,7 +1438,8 @@ struct Factory {
sizeof(limex->init), stateSize, repeatscratchStateSize,
repeatStreamState);
size_t scratchStateSize = sizeof(limex->init);
size_t scratchStateSize = NFATraits<dtype>::scratch_state_size;
if (repeatscratchStateSize) {
scratchStateSize
= ROUNDUP_N(scratchStateSize, alignof(RepeatControl));
@@ -2021,13 +2022,6 @@ struct Factory {
sz = 32;
}
// Special case: with SIMD available, we definitely prefer using
// 128-bit NFAs over 64-bit ones given the paucity of registers
// available.
if (sz == 64) {
sz = 128;
}
if (args.cc.grey.nfaForceSize) {
sz = args.cc.grey.nfaForceSize;
}
@@ -2067,9 +2061,12 @@ struct scoreNfa {
typedef u_##mlt_size tableRow_t; \
typedef NFAException##mlt_size exception_t; \
static const size_t maxStates = mlt_size; \
static const size_t scratch_state_size = mlt_size == 64 ? sizeof(m128) \
: sizeof(tableRow_t); \
};
MAKE_LIMEX_TRAITS(32)
MAKE_LIMEX_TRAITS(64)
MAKE_LIMEX_TRAITS(128)
MAKE_LIMEX_TRAITS(256)
MAKE_LIMEX_TRAITS(384)