6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
//===-- X86FoldTablesUtils.h ------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_X86FOLDTABLESUTILS_H
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#define LLVM_SUPPORT_X86FOLDTABLESUTILS_H
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namespace llvm {
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enum {
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// Select which memory operand is being unfolded.
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// (stored in bits 0 - 2)
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TB_INDEX_0 = 0,
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TB_INDEX_1 = 1,
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TB_INDEX_2 = 2,
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TB_INDEX_3 = 3,
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TB_INDEX_4 = 4,
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TB_INDEX_MASK = 0x7,
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// Do not insert the reverse map (MemOp -> RegOp) into the table.
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// This may be needed because there is a many -> one mapping.
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TB_NO_REVERSE = 1 << 3,
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// Do not insert the forward map (RegOp -> MemOp) into the table.
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// This is needed for Native Client, which prohibits branch
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// instructions from using a memory operand.
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TB_NO_FORWARD = 1 << 4,
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TB_FOLDED_LOAD = 1 << 5,
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TB_FOLDED_STORE = 1 << 6,
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// Minimum alignment required for load/store.
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// Used for RegOp->MemOp conversion. Encoded as Log2(Align)
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// (stored in bits 8 - 10)
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TB_ALIGN_SHIFT = 7,
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TB_ALIGN_1 = 0 << TB_ALIGN_SHIFT,
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TB_ALIGN_16 = 4 << TB_ALIGN_SHIFT,
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TB_ALIGN_32 = 5 << TB_ALIGN_SHIFT,
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TB_ALIGN_64 = 6 << TB_ALIGN_SHIFT,
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TB_ALIGN_MASK = 0x7 << TB_ALIGN_SHIFT,
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// Broadcast type.
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// (stored in bits 11 - 13)
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TB_BCAST_TYPE_SHIFT = TB_ALIGN_SHIFT + 3,
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TB_BCAST_W = 1 << TB_BCAST_TYPE_SHIFT,
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TB_BCAST_D = 2 << TB_BCAST_TYPE_SHIFT,
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TB_BCAST_Q = 3 << TB_BCAST_TYPE_SHIFT,
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TB_BCAST_SS = 4 << TB_BCAST_TYPE_SHIFT,
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TB_BCAST_SD = 5 << TB_BCAST_TYPE_SHIFT,
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TB_BCAST_SH = 6 << TB_BCAST_TYPE_SHIFT,
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TB_BCAST_MASK = 0x7 << TB_BCAST_TYPE_SHIFT,
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// Unused bits 14-16
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};
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} // namespace llvm
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#endif // LLVM_SUPPORT_X86FOLDTABLESUTILS_H
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