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authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /lib/Target/ARM/ARMInstrThumb.td
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
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Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb.td')
-rw-r--r--lib/Target/ARM/ARMInstrThumb.td14
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index e17f73a..a867844 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -311,7 +311,7 @@ def tHLT : T1I<(outs), (ins imm0_63:$val), NoItinerary, "hlt\t$val",
}
def tSETEND : T1I<(outs), (ins setend_op:$end), NoItinerary, "setend\t$end",
- []>, T1Encoding<0b101101>, Deprecated<HasV8Ops> {
+ []>, T1Encoding<0b101101>, Requires<[IsNotMClass]>, Deprecated<HasV8Ops> {
bits<1> end;
// A8.6.156
let Inst{9-5} = 0b10010;
@@ -360,6 +360,14 @@ def tADDrSPi : T1pI<(outs tGPR:$dst), (ins GPRsp:$sp, t_imm0_1020s4:$imm),
let DecoderMethod = "DecodeThumbAddSpecialReg";
}
+// Thumb1 frame lowering is rather fragile, we hope to be able to use
+// tADDrSPi, but we may need to insert a sequence that clobbers CPSR.
+def tADDframe : PseudoInst<(outs tGPR:$dst), (ins i32imm:$base, i32imm:$offset),
+ NoItinerary, []>,
+ Requires<[IsThumb, IsThumb1Only]> {
+ let Defs = [CPSR];
+}
+
// ADD sp, sp, #<imm7>
def tADDspi : T1pIt<(outs GPRsp:$Rdn), (ins GPRsp:$Rn, t_imm0_508s4:$imm),
IIC_iALUi, "add", "\t$Rdn, $imm", []>,
@@ -466,7 +474,7 @@ let isCall = 1,
(outs), (ins pred:$p, t_blxtarget:$func), IIC_Br,
"blx${p}\t$func",
[(ARMcall tglobaladdr:$func)]>,
- Requires<[IsThumb, HasV5T]>, Sched<[WriteBrL]> {
+ Requires<[IsThumb, HasV5T, IsNotMClass]>, Sched<[WriteBrL]> {
bits<24> func;
let Inst{26} = func{23};
let Inst{25-16} = func{20-11};
@@ -1355,7 +1363,7 @@ def : T1Pat<(ARMtcall texternalsym:$func), (tBL texternalsym:$func)>,
Requires<[IsThumb]>;
def : Tv5Pat<(ARMcall texternalsym:$func), (tBLXi texternalsym:$func)>,
- Requires<[IsThumb, HasV5T]>;
+ Requires<[IsThumb, HasV5T, IsNotMClass]>;
// Indirect calls to ARM routines
def : Tv5Pat<(ARMcall GPR:$dst), (tBLXr GPR:$dst)>,