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| author | Erik Verbruggen <erik.verbruggen@me.com> | 2013-10-18 17:02:57 +0200 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-12-04 16:42:46 +0100 |
| commit | 7e3578728edec27301b71f5ab5d7b43874ae35a2 (patch) | |
| tree | 25b66bfd38acd67a2ad032699edf9d00864c50c3 /src/qml/compiler/qv4regalloc.cpp | |
| parent | 102f57376f5d1ace2e9a3e0ffa829a1bbc0d002c (diff) | |
V4 IR: reverse propagate int32 truncation.
Change-Id: I5cb0c7798d0e530f3137710bf0e723bd7b64dc89
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src/qml/compiler/qv4regalloc.cpp')
| -rw-r--r-- | src/qml/compiler/qv4regalloc.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/qml/compiler/qv4regalloc.cpp b/src/qml/compiler/qv4regalloc.cpp index eaa9839f48..93ecdb2602 100644 --- a/src/qml/compiler/qv4regalloc.cpp +++ b/src/qml/compiler/qv4regalloc.cpp @@ -518,8 +518,15 @@ protected: // IRDecoder || (oper >= OpGt && oper <= OpStrictNotEqual)) { needsCall = false; } - } if (oper == OpBitAnd || oper == OpBitOr || oper == OpBitXor || oper == OpLShift || oper == OpRShift || oper == OpURShift) { + } else if (oper == OpBitAnd || oper == OpBitOr || oper == OpBitXor || oper == OpLShift || oper == OpRShift || oper == OpURShift) { needsCall = false; + } else if (oper == OpAdd + || oper == OpMul + || + oper == OpSub + ) { + if (leftSource->type == SInt32Type && rightSource->type == SInt32Type) + needsCall = false; } addDef(target); |