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authorJim Grosbach <grosbach@apple.com>2011-06-27 20:00:07 +0000
committerJim Grosbach <grosbach@apple.com>2011-06-27 20:00:07 +0000
commit0d06bb954881dc7ff0e2333d5a3e249b7bb304d0 (patch)
tree66d4e127799539197e1721d9b4503f01ca22d737
parent2ca7f4d2f3782db8b9f1a264fc558a72b0fd4fa0 (diff)
ARM assembler support for vpush/vpop.
Add aliases for the vpush/vpop mnemonics to the VFP load/store multiple writeback instructions w/ SP as the base pointer. rdar://9683231 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133932 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/ARM/ARMInstrVFP.td9
-rw-r--r--test/MC/ARM/vpush-vpop.s19
2 files changed, 28 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index b4c323998d..d2aaa97b2b 100644
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -166,6 +166,15 @@ defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpLoad_m, IIC_fpLoad_mu>;
def : MnemonicAlias<"vldm", "vldmia">;
def : MnemonicAlias<"vstm", "vstmia">;
+def : InstAlias<"vpush${p} $r", (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+def : InstAlias<"vpush${p} $r", (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+def : InstAlias<"vpop${p} $r", (VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+def : InstAlias<"vpop${p} $r", (VLDMSIA_UPD SP, pred:$p, spr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+
// FLDMX, FSTMX - mixing S/D registers for pre-armv6 cores
//===----------------------------------------------------------------------===//
diff --git a/test/MC/ARM/vpush-vpop.s b/test/MC/ARM/vpush-vpop.s
new file mode 100644
index 0000000000..1212c83cfc
--- /dev/null
+++ b/test/MC/ARM/vpush-vpop.s
@@ -0,0 +1,19 @@
+@ RUN: llvm-mc -triple armv7-unknown-unknown -show-encoding < %s | FileCheck --check-prefix=CHECK-ARM %s
+@ RUN: llvm-mc -triple thumbv7-unknown-unknown -show-encoding < %s | FileCheck --check-prefix=CHECK-THUMB %s
+
+foo:
+@ CHECK: foo
+ vpush {d8, d9, d10, d11, d12}
+ vpush {s8, s9, s10, s11, s12}
+ vpop {d8, d9, d10, d11, d12}
+ vpop {s8, s9, s10, s11, s12}
+
+@ CHECK-THUMB: vpush {d8, d9, d10, d11, d12} @ encoding: [0x2d,0xed,0x0a,0x8b]
+@ CHECK-THUMB: vpush {s8, s9, s10, s11, s12} @ encoding: [0x2d,0xed,0x05,0x4a]
+@ CHECK-THUMB: vpop {d8, d9, d10, d11, d12} @ encoding: [0xbd,0xec,0x0a,0x8b]
+@ CHECK-THUMB: vpop {s8, s9, s10, s11, s12} @ encoding: [0xbd,0xec,0x05,0x4a]
+
+@ CHECK-ARM: vpush {d8, d9, d10, d11, d12} @ encoding: [0x0a,0x8b,0x2d,0xed]
+@ CHECK-ARM: vpush {s8, s9, s10, s11, s12} @ encoding: [0x05,0x4a,0x2d,0xed]
+@ CHECK-ARM: vpop {d8, d9, d10, d11, d12} @ encoding: [0x0a,0x8b,0xbd,0xec]
+@ CHECK-ARM: vpop {s8, s9, s10, s11, s12} @ encoding: [0x05,0x4a,0xbd,0xec]