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authorJim Grosbach <grosbach@apple.com>2010-11-10 23:12:48 +0000
committerJim Grosbach <grosbach@apple.com>2010-11-10 23:12:48 +0000
commit866aa394ca72ca015e65fff55043bc1120b3b58d (patch)
tree44fe6470b433ffb093efa2008170c2356c07ae63
parent2365f08c7dfd039ef325d8cb4621b40fc5bd605f (diff)
Fix ARM encoding of LDM+Return instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118730 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/ARM/ARMInstrFormats.td6
-rw-r--r--lib/Target/ARM/ARMInstrInfo.td7
2 files changed, 10 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index 7add36b1ac..ddf0c82e55 100644
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -941,9 +941,11 @@ class AXI4ld<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
: XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
asm, cstr, pattern> {
bits<16> dsts;
- let Inst{20} = 1; // L bit
- let Inst{22} = 0; // S bit
+ bits<4> Rn;
let Inst{27-25} = 0b100;
+ let Inst{22} = 0; // S bit
+ let Inst{20} = 1; // L bit
+ let Inst{19-16} = Rn;
let Inst{15-0} = dsts;
}
class AXI4st<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 64a3dc73ce..9865ee5e54 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1183,7 +1183,12 @@ let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
reglist:$dsts, variable_ops),
IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
"ldm${mode}${p}\t$Rn!, $dsts",
- "$Rn = $wb", []>;
+ "$Rn = $wb", []> {
+ bits<4> p;
+ let Inst{31-28} = p;
+ let Inst{24-23} = 0b01;
+ let Inst{21} = 1;
+}
// On non-Darwin platforms R9 is callee-saved.
let isCall = 1,