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authorJim Grosbach <grosbach@apple.com>2011-06-30 17:34:04 +0000
committerJim Grosbach <grosbach@apple.com>2011-06-30 17:34:04 +0000
commit4629d505011d6d88ce181985005761df0dd3cbef (patch)
treea9150327000645387c81983df84f867b86b96b0b /lib
parentef17e01725740a91bd12723520f6edb2f12526d2 (diff)
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Pseudo-ize the Thumb tPOP_RET instruction.
It's just a tPOP instruction with additional code-gen properties, so it doesn't need encoding information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134172 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/ARM/ARMAsmPrinter.cpp8
-rw-r--r--lib/Target/ARM/ARMInstrThumb.td11
2 files changed, 10 insertions, 9 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 4059560..1975c6d 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -1096,6 +1096,14 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
OutStreamer.EmitInstruction(TmpInst);
return;
}
+ case ARM::tPOP_RET: {
+ // As above for LDMIA_RET. Map to the tPOP instruction.
+ MCInst TmpInst;
+ LowerARMMachineInstrToMCInst(MI, TmpInst, *this);
+ TmpInst.setOpcode(ARM::tPOP);
+ OutStreamer.EmitInstruction(TmpInst);
+ return;
+ }
case ARM::t2MOVi32imm: assert(0 && "Should be lowered by thumb2it pass");
case ARM::DBG_VALUE: {
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index 735f3e9..bb261ec 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -408,15 +408,8 @@ let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
// FIXME: remove when we have a way to marking a MI with these properties.
let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
hasExtraDefRegAllocReq = 1 in
-def tPOP_RET : T1I<(outs), (ins pred:$p, reglist:$regs, variable_ops),
- IIC_iPop_Br,
- "pop${p}\t$regs", []>,
- T1Misc<{1,1,0,?,?,?,?}> {
- // A8.6.121
- bits<16> regs;
- let Inst{8} = regs{15}; // registers = P:'0000000':register_list
- let Inst{7-0} = regs{7-0};
-}
+def tPOP_RET : tPseudoInst<(outs), (ins pred:$p, reglist:$regs, variable_ops),
+ Size4Bytes, IIC_iPop_Br, []>;
// All calls clobber the non-callee saved registers. SP is marked as a use to
// prevent stack-pointer assignments that appear immediately before calls from