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Get rid of the non-writeback versions VLDMDB and VSTMDB, which don't actually exist.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128461 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2011-03-29 16:45:53 +00:00
parent 3c288b9787
commit 848b0c39b1
8 changed files with 23 additions and 81 deletions
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22
lib/Target/ARM/ARMLoadStoreOptimizer.cpp
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@@ -79,7 +79,7 @@ namespace {
unsigned Position;
MachineBasicBlock::iterator MBBI;
bool Merged;
MemOpQueueEntry(int o, unsigned r, bool k, unsigned p,
MemOpQueueEntry(int o, unsigned r, bool k, unsigned p,
MachineBasicBlock::iterator i)
: Offset(o), Reg(r), isKill(k), Position(p), MBBI(i), Merged(false) {}
};
@@ -174,7 +174,7 @@ static int getLoadStoreMultipleOpcode(int Opcode, ARM_AM::AMSubMode Mode) {
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VLDMSIA;
case ARM_AM::db: return ARM::VLDMSDB;
case ARM_AM::db: return 0; // Only VLDMSDB_UPD exists.
}
break;
case ARM::VSTRS:
@@ -182,7 +182,7 @@ static int getLoadStoreMultipleOpcode(int Opcode, ARM_AM::AMSubMode Mode) {
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VSTMSIA;
case ARM_AM::db: return ARM::VSTMSDB;
case ARM_AM::db: return 0; // Only VSTMSDB_UPD exists.
}
break;
case ARM::VLDRD:
@@ -190,7 +190,7 @@ static int getLoadStoreMultipleOpcode(int Opcode, ARM_AM::AMSubMode Mode) {
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VLDMDIA;
case ARM_AM::db: return ARM::VLDMDDB;
case ARM_AM::db: return 0; // Only VLDMDDB_UPD exists.
}
break;
case ARM::VSTRD:
@@ -198,7 +198,7 @@ static int getLoadStoreMultipleOpcode(int Opcode, ARM_AM::AMSubMode Mode) {
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VSTMDIA;
case ARM_AM::db: return ARM::VSTMDDB;
case ARM_AM::db: return 0; // Only VSTMDDB_UPD exists.
}
break;
}
@@ -246,13 +246,9 @@ AMSubMode getLoadStoreMultipleSubMode(int Opcode) {
case ARM::t2LDMDB_UPD:
case ARM::t2STMDB:
case ARM::t2STMDB_UPD:
case ARM::VLDMSDB:
case ARM::VLDMSDB_UPD:
case ARM::VSTMSDB:
case ARM::VSTMSDB_UPD:
case ARM::VLDMDDB:
case ARM::VLDMDDB_UPD:
case ARM::VSTMDDB:
case ARM::VSTMDDB_UPD:
return ARM_AM::db;
@@ -567,14 +563,10 @@ static inline unsigned getLSMultipleTransferSize(MachineInstr *MI) {
case ARM::t2STMIA:
case ARM::t2STMDB:
case ARM::VLDMSIA:
case ARM::VLDMSDB:
case ARM::VSTMSIA:
case ARM::VSTMSDB:
return (MI->getNumOperands() - MI->getDesc().getNumOperands() + 1) * 4;
case ARM::VLDMDIA:
case ARM::VLDMDDB:
case ARM::VSTMDIA:
case ARM::VSTMDDB:
return (MI->getNumOperands() - MI->getDesc().getNumOperands() + 1) * 8;
}
}
@@ -624,7 +616,6 @@ static unsigned getUpdatingLSMultipleOpcode(unsigned Opc,
}
break;
case ARM::VLDMSIA:
case ARM::VLDMSDB:
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VLDMSIA_UPD;
@@ -632,7 +623,6 @@ static unsigned getUpdatingLSMultipleOpcode(unsigned Opc,
}
break;
case ARM::VLDMDIA:
case ARM::VLDMDDB:
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VLDMDIA_UPD;
@@ -640,7 +630,6 @@ static unsigned getUpdatingLSMultipleOpcode(unsigned Opc,
}
break;
case ARM::VSTMSIA:
case ARM::VSTMSDB:
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VSTMSIA_UPD;
@@ -648,7 +637,6 @@ static unsigned getUpdatingLSMultipleOpcode(unsigned Opc,
}
break;
case ARM::VSTMDIA:
case ARM::VSTMDDB:
switch (Mode) {
default: llvm_unreachable("Unhandled submode!");
case ARM_AM::ia: return ARM::VSTMDIA_UPD;