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bytecode_ptr: add make_zeroed_bytecode_ptr

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Rather than always zeroing memory.
This commit is contained in:
Justin Viiret
2017-04-04 11:02:33 +10:00
committed by Matthew Barr
parent 5653fa55a1
commit 63fe84c3f1
19 changed files with 40 additions and 24 deletions
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3
src/rose/rose_build_anchored.cpp
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@@ -891,7 +891,8 @@ buildAnchoredMatcher(RoseBuildImpl &build, const vector<LitFragment> &fragments,
throw ResourceLimitError();
}
auto atable = make_bytecode_ptr<anchored_matcher_info>(total_size, 64);
auto atable =
make_zeroed_bytecode_ptr<anchored_matcher_info>(total_size, 64);
char *curr = (char *)atable.get();
u32 state_offset = 0;

4
src/rose/rose_build_bytecode.cpp
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@@ -5612,7 +5612,7 @@ bytecode_ptr<RoseEngine> addSmallWriteEngine(const RoseBuildImpl &build,
const size_t smwrOffset = ROUNDUP_CL(mainSize);
const size_t newSize = smwrOffset + smallWriteSize;
auto rose2 = make_bytecode_ptr<RoseEngine>(newSize, 64);
auto rose2 = make_zeroed_bytecode_ptr<RoseEngine>(newSize, 64);
char *ptr = (char *)rose2.get();
memcpy(ptr, rose.get(), mainSize);
memcpy(ptr + smwrOffset, smwr_engine.get(), smallWriteSize);
@@ -5958,7 +5958,7 @@ bytecode_ptr<RoseEngine> RoseBuildImpl::buildFinalEngine(u32 minWidth) {
proto.size = currOffset;
// Time to allocate the real RoseEngine structure, at cacheline alignment.
auto engine = make_bytecode_ptr<RoseEngine>(currOffset, 64);
auto engine = make_zeroed_bytecode_ptr<RoseEngine>(currOffset, 64);
assert(engine); // will have thrown bad_alloc otherwise.
// Copy in our prototype engine data.