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| author | Carol Eidt <carol.eidt@microsoft.com> | 2018-03-02 11:08:42 -0800 |
|---|---|---|
| committer | Carol Eidt <carol.eidt@microsoft.com> | 2018-03-02 16:38:22 -0800 |
| commit | 1765a4e337ac9e992760783e1e717f7b24cc2d89 (patch) | |
| tree | fd952314cdcf5ebffa581424c8030baa874a83b3 /src/jit/lsraxarch.cpp | |
| parent | fa7465f931caad8823e590277a1a4c44984b1a67 (diff) | |
| download | coreclr-1765a4e337ac9e992760783e1e717f7b24cc2d89.tar.gz coreclr-1765a4e337ac9e992760783e1e717f7b24cc2d89.tar.bz2 coreclr-1765a4e337ac9e992760783e1e717f7b24cc2d89.zip | |
Don't force byte regs for indir address
Diffstat (limited to 'src/jit/lsraxarch.cpp')
| -rw-r--r-- | src/jit/lsraxarch.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/jit/lsraxarch.cpp b/src/jit/lsraxarch.cpp index fdb875a827..ac0062a271 100644 --- a/src/jit/lsraxarch.cpp +++ b/src/jit/lsraxarch.cpp @@ -754,7 +754,9 @@ void LinearScan::BuildCheckByteable(GenTree* tree) if (tree->OperIsSimple()) { GenTree* op = tree->gtOp.gtOp1; - if (op != nullptr) + // We need byte registers on the operands of most simple operators that produce a byte result. + // However, indirections are simple operators but do not require their address in a byte register. + if ((op != nullptr) && !tree->OperIsIndir()) { // No need to set src candidates on a contained child operand. if (!op->isContained()) |