AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity
4a60191149
v8/test/unittests/compiler
History
Ross McIlroy 4a60191149 [TurboProp] Add support for deferred block spills in fast reg alloc 
Adds support for avoiding spills in non-deferred blocks by instead
restricting the spill ranges to deferred blocks if the virtual
register is only spilled in deferred blocks.

It does this by tracking registers that reach the exit point of deferred
blocks and spilling them them pre-emptively in the deferred block while
treating them as committed from the point of view of the non-deferred
blocks. We also now track whether virtual registers need to be spilled
at their SSA definition point (where they are output by an instruction),
or can instead be spilled at the entry to deferred blocks for use as
spill slots within those deferred blocks. In both cases, the tracking
of these deferred spills is kept as a pending operation until the
allocator confirms that adding these spills will avoid spills in the
non-deferred pathways, to avoid adding unnecessary extra spills in
deferred blocks.

BUG=v8:9684

Change-Id: Ib151e795567f0e4e7f95538415a8cc117d235b64
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2440603
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70374}
2020-10-07 10:08:29 +00:00
..
arm Revert "Move branch inversion on ==0 into platform-agnostic reducer" 2020-03-25 16:47:48 +00:00
arm64 [turbofan] Add SIMD multiply-add/sub on arm64 2020-05-13 09:40:00 +00:00
backend [wasm-simd] Move shuffle tests into unittests 2020-07-30 16:31:10 +00:00
ia32 [interpreter,compiler] Remove CodeAssembler::LoadStackPointer 2019-08-12 14:49:47 +00:00
mips Move architecture dependent files 2019-05-28 14:02:15 +00:00
mips64 Move architecture dependent files 2019-05-28 14:02:15 +00:00
ppc Adding Red Hat to the list of Authorized contributors. 2020-09-16 12:34:39 +00:00
regalloc [TurboProp] Add support for deferred block spills in fast reg alloc 2020-10-07 10:08:29 +00:00
s390 Move architecture dependent files 2019-05-28 14:02:15 +00:00
x64 [turbofan] Enable complex memory operands for floating-point binop on x64 2020-10-01 11:34:32 +00:00
branch-elimination-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
bytecode-analysis-unittest.cc [interpreter] Make IterationBody StackChecks implicit within JumpLoop 2020-03-20 13:22:41 +00:00
checkpoint-elimination-unittest.cc [cleanup] Refactor compiler to use default members. 2018-09-17 12:12:21 +00:00
common-operator-reducer-unittest.cc [compiler] Remove persistent handles as a broker parameter 2020-08-13 08:13:33 +00:00
common-operator-unittest.cc [tests] Fix subobject-linkage error when building with GCC 2019-10-07 11:11:39 +00:00
compiler-test-utils.h [turbofan] Drop V8_TURBOFAN_BACKEND and V8_TURBOFAN_TARGET defines. 2015-08-10 07:17:34 +00:00
constant-folding-reducer-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
control-equivalence-unittest.cc Move utility code to src/utils 2019-05-23 14:13:34 +00:00
control-flow-optimizer-unittest.cc [turbofan] introduce a deterministic tick measurement and assert optimization doesn't take too long 2019-07-17 07:00:00 +00:00
dead-code-elimination-unittest.cc [cleanup] Refactor compiler to use default members. 2018-09-17 12:12:21 +00:00
decompression-optimizer-unittest.cc [zone] Cleanup zone allocations in src/compiler and tests, pt.3 2020-07-10 16:39:05 +00:00
diamond-unittest.cc [cleanup] [compiler] Fix (D)CHECK macros 2017-09-25 10:21:34 +00:00
effect-control-linearizer-unittest.cc [zone] Cleanup zone allocations in src/compiler and tests, pt.3 2020-07-10 16:39:05 +00:00
graph-reducer-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
graph-reducer-unittest.h [unittests] Convert to the new MOCK_METHOD macro. 2020-06-10 15:50:38 +00:00
graph-trimmer-unittest.cc [turbofan] Proper dead code elimination as regular reducer. 2015-06-19 12:07:26 +00:00
graph-unittest.cc [compiler] Remove persistent handles as a broker parameter 2020-08-13 08:13:33 +00:00
graph-unittest.h [turbofan] introduce a deterministic tick measurement and assert optimization doesn't take too long 2019-07-17 07:00:00 +00:00
int64-lowering-unittest.cc Add bit left-rotation machine operator 2020-05-01 18:09:16 +00:00
js-call-reducer-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
js-create-lowering-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
js-intrinsic-lowering-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
js-native-context-specialization-unittest.cc Move number related files to src/numbers 2019-05-15 19:34:44 +00:00
js-operator-unittest.cc [tests] Fix subobject-linkage error when building with GCC 2019-10-07 11:11:39 +00:00
js-typed-lowering-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
linkage-tail-call-unittest.cc [zone-compr] Add kCompressGraphZone constant 2020-07-24 08:50:11 +00:00
load-elimination-unittest.cc Retire PretenureFlag and use AllocationType everywhere. 2019-03-12 08:10:44 +00:00
loop-peeling-unittest.cc [turbofan] introduce a deterministic tick measurement and assert optimization doesn't take too long 2019-07-17 07:00:00 +00:00
machine-operator-reducer-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
machine-operator-unittest.cc Reland "[compiler] Optionally apply an offset to stack checks" 2019-10-30 10:23:05 +00:00
node-cache-unittest.cc [turbofan] use ZoneUnorderedMap for NodeCache 2020-03-05 13:00:34 +00:00
node-matchers-unittest.cc [cleanup] Refactor compiler to use default members. 2018-09-17 12:12:21 +00:00
node-properties-unittest.cc [zone-compr] Add kCompressGraphZone constant 2020-07-24 08:50:11 +00:00
node-test-utils.cc Reland "Reland "[turbofan][csa] optimize Smi untagging better"" 2020-04-29 07:30:11 +00:00
node-test-utils.h Reland "Reland "[turbofan][csa] optimize Smi untagging better"" 2020-04-29 07:30:11 +00:00
node-unittest.cc [zone-compr] Add kCompressGraphZone constant 2020-07-24 08:50:11 +00:00
opcodes-unittest.cc [compiler] Refactor opcode macro lists 2020-06-23 07:54:14 +00:00
persistent-unittest.cc [ubsan] Fix numerical overflows in the compiler 2019-01-10 11:17:37 +00:00
redundancy-elimination-unittest.cc [compiler] Make is_compiled_scope take an explicit Isolate 2020-07-06 15:49:55 +00:00
schedule-unittest.cc Reland "[zone-compr] Introduce ZoneTypeTraits and ZoneCompression" 2020-07-31 11:43:08 +00:00
scheduler-rpo-unittest.cc [cleanup] Refactor compiler to use default members. 2018-09-17 12:12:21 +00:00
scheduler-unittest.cc [zone-compr] Add kCompressGraphZone constant 2020-07-24 08:50:11 +00:00
simplified-lowering-unittest.cc [turbofan] introduce a deterministic tick measurement and assert optimization doesn't take too long 2019-07-17 07:00:00 +00:00
simplified-operator-reducer-unittest.cc [turbofan] Reduce consecutive overflow addition with constants 2020-09-22 16:17:53 +00:00
simplified-operator-unittest.cc [ptr-compr] Remove Compressed mentions from in the pipeline 2019-11-11 12:23:41 +00:00
state-values-utils-unittest.cc [compiler] Optimize AddInputsToFrameStateDescriptor 2020-03-05 11:45:15 +00:00
typed-optimization-unittest.cc [compiler] Fix --trace-turbo-reduction in the presence of direct reads 2020-09-11 17:21:43 +00:00
typer-unittest.cc [compiler] Remove persistent handles as a broker parameter 2020-08-13 08:13:33 +00:00
value-numbering-reducer-unittest.cc Reland "[zone-compr] Introduce ZoneTypeTraits and ZoneCompression" 2020-07-31 11:43:08 +00:00
zone-stats-unittest.cc [zone] Cleanup zone allocations in src/compiler and tests, pt.3 2020-07-10 16:39:05 +00:00