diff options
| author | Owen Anderson <resistor@mac.com> | 2011-09-23 22:25:02 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2011-09-23 22:25:02 +0000 |
| commit | 4d2a00147d19b17d382644de0d6a1f0d3230e0e4 (patch) | |
| tree | 99156167178d2273c8c5c040040fc343050642aa | |
| parent | 11ebe3d7c11521b2f092165ac712c9ea0f4c462f (diff) | |
Teach the Thumb2 AsmParser to accept pre-indexed loads/stores with an offset of #-0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140426 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 2 | ||||
| -rw-r--r-- | test/MC/ARM/basic-thumb2-instructions.s | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 137e570721..e62899e7b0 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -780,7 +780,7 @@ public: // Immediate offset in range [-255, 255]. if (!Mem.OffsetImm) return true; int64_t Val = Mem.OffsetImm->getValue(); - return Val > -256 && Val < 256; + return (Val == INT32_MIN) || (Val > -256 && Val < 256); } bool isMemPosImm8Offset() const { if (Kind != Memory || Mem.OffsetRegNum != 0) diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index 184bcdc1af..4caa0cd000 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -2236,6 +2236,7 @@ _func: strb lr, [r3], #255 strb r9, [r2], #4 strb r3, [sp], #-4 + strb r4, [r8, #-0]! @ CHECK: strb r5, [r5, #-4] @ encoding: [0x05,0xf8,0x04,0x5c] @ CHECK: strb.w r5, [r6, #32] @ encoding: [0x86,0xf8,0x20,0x50] @@ -2248,6 +2249,7 @@ _func: @ CHECK: strb lr, [r3], #255 @ encoding: [0x03,0xf8,0xff,0xeb] @ CHECK: strb r9, [r2], #4 @ encoding: [0x02,0xf8,0x04,0x9b] @ CHECK: strb r3, [sp], #-4 @ encoding: [0x0d,0xf8,0x04,0x39] +@ CHECK: strb r4, [r8, #-0]! @ encoding: [0x08,0xf8,0x00,0x4d] @------------------------------------------------------------------------------ |