forked from OSchip/llvm-project
Thumb2 encoding choice correction for PLD.
Using encoding T1 for offset of #0 and encoding T2 for #-0. rdar://10532413 llvm-svn: 145919
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@ -916,9 +916,9 @@ public:
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if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0)
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if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0)
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return false;
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return false;
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// Immediate offset in range [-255, -1].
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// Immediate offset in range [-255, -1].
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if (!Memory.OffsetImm) return true;
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if (!Memory.OffsetImm) return false;
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int64_t Val = Memory.OffsetImm->getValue();
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int64_t Val = Memory.OffsetImm->getValue();
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return Val > -256 && Val < 0;
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return (Val == INT32_MIN) || (Val > -256 && Val < 0);
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}
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}
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bool isMemUImm12Offset() const {
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bool isMemUImm12Offset() const {
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if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0)
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if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0)
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@ -1371,12 +1371,16 @@ _func:
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pld [r6, #33]
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pld [r6, #33]
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pld [r6, #257]
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pld [r6, #257]
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pld [r7, #257]
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pld [r7, #257]
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pld [r1, #0]
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pld [r1, #-0]
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@ CHECK: pld [r5, #-4] @ encoding: [0x15,0xf8,0x04,0xfc]
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@ CHECK: pld [r5, #-4] @ encoding: [0x15,0xf8,0x04,0xfc]
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@ CHECK: pld [r6, #32] @ encoding: [0x96,0xf8,0x20,0xf0]
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@ CHECK: pld [r6, #32] @ encoding: [0x96,0xf8,0x20,0xf0]
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@ CHECK: pld [r6, #33] @ encoding: [0x96,0xf8,0x21,0xf0]
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@ CHECK: pld [r6, #33] @ encoding: [0x96,0xf8,0x21,0xf0]
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@ CHECK: pld [r6, #257] @ encoding: [0x96,0xf8,0x01,0xf1]
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@ CHECK: pld [r6, #257] @ encoding: [0x96,0xf8,0x01,0xf1]
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@ CHECK: pld [r7, #257] @ encoding: [0x97,0xf8,0x01,0xf1]
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@ CHECK: pld [r7, #257] @ encoding: [0x97,0xf8,0x01,0xf1]
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@ CHECK: pld [r1] @ encoding: [0x91,0xf8,0x00,0xf0]
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@ CHECK: pld [r1, #-0] @ encoding: [0x11,0xf8,0x00,0xfc]
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@------------------------------------------------------------------------------
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@------------------------------------------------------------------------------
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