diff options
| author | Jim Grosbach <grosbach@apple.com> | 2011-12-06 04:49:29 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-12-06 04:49:29 +0000 |
| commit | df33e0d05e6b7dc3d65cdb96e52fb6fb6b07f876 (patch) | |
| tree | f3521c4b2700b855804871ef62c94c9c9ab11426 | |
| parent | 286ea03382a5daa1b20f780f40807f1a0257a62e (diff) | |
Thumb2 encoding choice correction for PLD.
Using encoding T1 for offset of #0 and encoding T2 for #-0.
rdar://10532413
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145919 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 4 | ||||
| -rw-r--r-- | test/MC/ARM/basic-thumb2-instructions.s | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 07679a60ff..e4a7094232 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -916,9 +916,9 @@ public: if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) return false; // Immediate offset in range [-255, -1]. - if (!Memory.OffsetImm) return true; + if (!Memory.OffsetImm) return false; int64_t Val = Memory.OffsetImm->getValue(); - return Val > -256 && Val < 0; + return (Val == INT32_MIN) || (Val > -256 && Val < 0); } bool isMemUImm12Offset() const { if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index 205ca35a45..5de5104ac3 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -1371,12 +1371,16 @@ _func: pld [r6, #33] pld [r6, #257] pld [r7, #257] + pld [r1, #0] + pld [r1, #-0] @ CHECK: pld [r5, #-4] @ encoding: [0x15,0xf8,0x04,0xfc] @ CHECK: pld [r6, #32] @ encoding: [0x96,0xf8,0x20,0xf0] @ CHECK: pld [r6, #33] @ encoding: [0x96,0xf8,0x21,0xf0] @ CHECK: pld [r6, #257] @ encoding: [0x96,0xf8,0x01,0xf1] @ CHECK: pld [r7, #257] @ encoding: [0x97,0xf8,0x01,0xf1] +@ CHECK: pld [r1] @ encoding: [0x91,0xf8,0x00,0xf0] +@ CHECK: pld [r1, #-0] @ encoding: [0x11,0xf8,0x00,0xfc] @------------------------------------------------------------------------------ |