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authorJim Grosbach <grosbach@apple.com>2011-08-19 20:46:54 +0000
committerJim Grosbach <grosbach@apple.com>2011-08-19 20:46:54 +0000
commit4ec6e888ec6d12b5255afd685b05c8fee1f7fc73 (patch)
tree8df54f2bf6caecf948d86f4986c7f6eafed1ff72 /lib
parentc68e927488819efd671207786baadce6cae7266c (diff)
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Thumb assembly parsing and encoding for MOV.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138076 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/ARM/ARMInstrFormats.td2
-rw-r--r--lib/Target/ARM/ARMInstrThumb.td5
-rw-r--r--lib/Target/ARM/AsmParser/ARMAsmParser.cpp2
3 files changed, 7 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index 17a82b1024..0f4b2648cf 100644
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -148,7 +148,7 @@ def iflags_op : Operand<i32> {
// ARM Predicate operand. Default to 14 = always (AL). Second part is CC
// register whose default is 0 (no register).
def CondCodeOperand : AsmOperandClass { let Name = "CondCode"; }
-def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
+def pred : PredicateOperand<OtherVT, (ops i32imm, i32imm),
(ops (i32 14), (i32 zero_reg))> {
let PrintMethod = "printPredicateOperand";
let ParserMatchClass = CondCodeOperand;
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index b19cccbd99..5825f9bede 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -1014,6 +1014,11 @@ def tMOVi8 : T1sI<(outs tGPR:$Rd), (ins imm0_255:$imm8), IIC_iMOVi,
let Inst{10-8} = Rd;
let Inst{7-0} = imm8;
}
+// Because we have an explicit tMOVSr below, we need an alias to handle
+// the immediate "movs" form here. Blech.
+def : InstAlias <"movs $Rdn, $imm",
+ (tMOVi8 tGPR:$Rdn, CPSR, imm0_255:$imm, 14, 0)>,
+ Requires<[IsThumb]>;
// A7-73: MOV(2) - mov setting flag.
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 7197b99b25..33399ec14f 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -3173,7 +3173,7 @@ unsigned ARMAsmParser::checkTargetMatchPredicate(MCInst &Inst) {
isARMLowRegister(Inst.getOperand(2).getReg()))
return Match_RequiresThumb2;
// Others only require ARMv6 or later.
- else if (Opc == ARM::tMOVr && isThumbOne() &&
+ else if (Opc == ARM::tMOVr && isThumbOne() && !hasV6Ops() &&
isARMLowRegister(Inst.getOperand(0).getReg()) &&
isARMLowRegister(Inst.getOperand(1).getReg()))
return Match_RequiresV6;