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| author | Serguei Katkov <serguei.i.katkov@intel.com> | 2015-02-06 17:15:36 +0600 |
|---|---|---|
| committer | Serguei Katkov <serguei.i.katkov@intel.com> | 2015-02-13 16:11:44 +0600 |
| commit | 47d2e48092717f2439b41d36430b5e1da9f8915e (patch) | |
| tree | 64d3da169e818f22d3ab2797cdef0782f0bed30f /compiler/dex/local_value_numbering.cc | |
| parent | 8240a8af33aedea9a4fe5c3b394d7c025ad081fb (diff) | |
| download | art-47d2e48092717f2439b41d36430b5e1da9f8915e.zip art-47d2e48092717f2439b41d36430b5e1da9f8915e.tar.gz art-47d2e48092717f2439b41d36430b5e1da9f8915e.tar.bz2 | |
LVN handles const-wide/32 incorrectly
Redundant shift to 16 bit should be eliminated otherwise any
32 bit shift of 32 bit constant will result in 0.
Change-Id: I4969b54357bc2d9a836e89dd7919199fff966684
Signed-off-by: Serguei Katkov <serguei.i.katkov@intel.com>
Diffstat (limited to 'compiler/dex/local_value_numbering.cc')
| -rw-r--r-- | compiler/dex/local_value_numbering.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/dex/local_value_numbering.cc b/compiler/dex/local_value_numbering.cc index 114346d..aecde51 100644 --- a/compiler/dex/local_value_numbering.cc +++ b/compiler/dex/local_value_numbering.cc @@ -1657,7 +1657,7 @@ uint16_t LocalValueNumbering::GetValueNumber(MIR* mir) { case Instruction::CONST_WIDE_16: case Instruction::CONST_WIDE_32: { uint16_t low_res = gvn_->LookupValue(Instruction::CONST, Low16Bits(mir->dalvikInsn.vB), - High16Bits(mir->dalvikInsn.vB >> 16), 1); + High16Bits(mir->dalvikInsn.vB), 1); uint16_t high_res; if (mir->dalvikInsn.vB & 0x80000000) { high_res = gvn_->LookupValue(Instruction::CONST, 0xffff, 0xffff, 2); |