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47eac58333
As a first step towards real little-endian code generation, this patch changes the PowerPC MC layer to actually generate little-endian object files. This involves passing the little-endian flag through the various layers, including down to createELFObjectWriter so we actually get basic little-endian ELF objects, emitting instructions in little-endian order, and handling fixups and relocations as appropriate for little-endian. The bulk of the patch is to update most test cases in test/MC/PowerPC to verify both big- and little-endian encodings. (The only test cases *not* updated are those that create actual big-endian ABI code, like the TLS tests.) Note that while the object files are now little-endian, the generated code itself is not yet updated, in particular, it still does not adhere to the ELFv2 ABI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204634 91177308-0d34-0410-b5e6-96231b3b80d8
108 lines
4.8 KiB
ArmAsm
108 lines
4.8 KiB
ArmAsm
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# RUN: llvm-mc -triple powerpc64-unknown-unknown --show-encoding %s | FileCheck -check-prefix=CHECK-BE %s
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# RUN: llvm-mc -triple powerpc64le-unknown-unknown --show-encoding %s | FileCheck -check-prefix=CHECK-LE %s
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# Cache management instruction
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# CHECK-BE: icbi 2, 3 # encoding: [0x7c,0x02,0x1f,0xac]
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# CHECK-LE: icbi 2, 3 # encoding: [0xac,0x1f,0x02,0x7c]
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icbi 2, 3
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# FIXME: dcbt 2, 3, 10
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# CHECK-BE: dcbt 2, 3 # encoding: [0x7c,0x02,0x1a,0x2c]
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# CHECK-LE: dcbt 2, 3 # encoding: [0x2c,0x1a,0x02,0x7c]
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dcbt 2, 3
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# FIXME: dcbtst 2, 3, 10
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# CHECK-BE: dcbtst 2, 3 # encoding: [0x7c,0x02,0x19,0xec]
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# CHECK-LE: dcbtst 2, 3 # encoding: [0xec,0x19,0x02,0x7c]
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dcbtst 2, 3
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# CHECK-BE: dcbz 2, 3 # encoding: [0x7c,0x02,0x1f,0xec]
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# CHECK-LE: dcbz 2, 3 # encoding: [0xec,0x1f,0x02,0x7c]
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dcbz 2, 3
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# CHECK-BE: dcbst 2, 3 # encoding: [0x7c,0x02,0x18,0x6c]
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# CHECK-LE: dcbst 2, 3 # encoding: [0x6c,0x18,0x02,0x7c]
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dcbst 2, 3
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# FIXME: dcbf 2, 3, 1
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# Synchronization instructions
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# CHECK-BE: isync # encoding: [0x4c,0x00,0x01,0x2c]
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# CHECK-LE: isync # encoding: [0x2c,0x01,0x00,0x4c]
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isync
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# FIXME: lbarx 2, 3, 4, 1
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# FIXME: lharx 2, 3, 4, 1
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# FIXME: lwarx 2, 3, 4, 1
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# FIXME: ldarx 2, 3, 4, 1
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# FIXME: stbcx. 2, 3, 4
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# FIXME: sthcx. 2, 3, 4
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# CHECK-BE: stwcx. 2, 3, 4 # encoding: [0x7c,0x43,0x21,0x2d]
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# CHECK-LE: stwcx. 2, 3, 4 # encoding: [0x2d,0x21,0x43,0x7c]
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stwcx. 2, 3, 4
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# CHECK-BE: stdcx. 2, 3, 4 # encoding: [0x7c,0x43,0x21,0xad]
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# CHECK-LE: stdcx. 2, 3, 4 # encoding: [0xad,0x21,0x43,0x7c]
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stdcx. 2, 3, 4
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# CHECK-BE: sync 2 # encoding: [0x7c,0x40,0x04,0xac]
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# CHECK-LE: sync 2 # encoding: [0xac,0x04,0x40,0x7c]
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sync 2
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# CHECK-BE: eieio # encoding: [0x7c,0x00,0x06,0xac]
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# CHECK-LE: eieio # encoding: [0xac,0x06,0x00,0x7c]
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eieio
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# CHECK-BE: wait 2 # encoding: [0x7c,0x40,0x00,0x7c]
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# CHECK-LE: wait 2 # encoding: [0x7c,0x00,0x40,0x7c]
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wait 2
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# Extended mnemonics
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# CHECK-BE: dcbf 2, 3 # encoding: [0x7c,0x02,0x18,0xac]
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# CHECK-LE: dcbf 2, 3 # encoding: [0xac,0x18,0x02,0x7c]
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dcbf 2, 3
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# FIXME: dcbfl 2, 3
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# FIXME: lbarx 2, 3, 4
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# FIXME: lharx 2, 3, 4
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# CHECK-BE: lwarx 2, 3, 4 # encoding: [0x7c,0x43,0x20,0x28]
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# CHECK-LE: lwarx 2, 3, 4 # encoding: [0x28,0x20,0x43,0x7c]
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lwarx 2, 3, 4
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# CHECK-BE: ldarx 2, 3, 4 # encoding: [0x7c,0x43,0x20,0xa8]
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# CHECK-LE: ldarx 2, 3, 4 # encoding: [0xa8,0x20,0x43,0x7c]
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ldarx 2, 3, 4
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# CHECK-BE: sync 0 # encoding: [0x7c,0x00,0x04,0xac]
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# CHECK-LE: sync 0 # encoding: [0xac,0x04,0x00,0x7c]
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sync
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# CHECK-BE: sync 0 # encoding: [0x7c,0x00,0x04,0xac]
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# CHECK-LE: sync 0 # encoding: [0xac,0x04,0x00,0x7c]
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msync
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# CHECK-BE: sync 1 # encoding: [0x7c,0x20,0x04,0xac]
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# CHECK-LE: sync 1 # encoding: [0xac,0x04,0x20,0x7c]
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lwsync
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# CHECK-BE: sync 2 # encoding: [0x7c,0x40,0x04,0xac]
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# CHECK-LE: sync 2 # encoding: [0xac,0x04,0x40,0x7c]
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ptesync
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# CHECK-BE: wait 0 # encoding: [0x7c,0x00,0x00,0x7c]
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# CHECK-LE: wait 0 # encoding: [0x7c,0x00,0x00,0x7c]
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wait
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# CHECK-BE: wait 1 # encoding: [0x7c,0x20,0x00,0x7c]
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# CHECK-LE: wait 1 # encoding: [0x7c,0x00,0x20,0x7c]
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waitrsv
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# CHECK-BE: wait 2 # encoding: [0x7c,0x40,0x00,0x7c]
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# CHECK-LE: wait 2 # encoding: [0x7c,0x00,0x40,0x7c]
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waitimpl
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# Time base instructions
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# CHECK-BE: mftb 2, 123 # encoding: [0x7c,0x5b,0x1a,0xe6]
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# CHECK-LE: mftb 2, 123 # encoding: [0xe6,0x1a,0x5b,0x7c]
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mftb 2, 123
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# CHECK-BE: mftb 2, 268 # encoding: [0x7c,0x4c,0x42,0xe6]
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# CHECK-LE: mftb 2, 268 # encoding: [0xe6,0x42,0x4c,0x7c]
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mftb 2
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# CHECK-BE: mftb 2, 269 # encoding: [0x7c,0x4d,0x42,0xe6]
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# CHECK-LE: mftb 2, 269 # encoding: [0xe6,0x42,0x4d,0x7c]
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mftbu 2
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