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Rename PPC MTCTRse to MTCTRloop

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As the pairing of this instruction form with the bdnz/bdz branches is now
enforced by the verification pass, make it clear from the name that these
are used only for counter-based loops.

No functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182296 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2013-05-20 16:08:37 +00:00
parent e50c8c1f81
commit 85c08b059c
3 changed files with 7 additions and 7 deletions
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2
lib/Target/PowerPC/PPCCTRLoops.cpp
View File

@ -627,7 +627,7 @@ check_block:
CheckPreds = true;
for (MachineBasicBlock::iterator IE = MBB->begin();; --I) {
unsigned Opc = I->getOpcode();
if (Opc == PPC::MTCTRse || Opc == PPC::MTCTR8se) {
if (Opc == PPC::MTCTRloop || Opc == PPC::MTCTR8loop) {
CheckPreds = false;
break;
}

6
lib/Target/PowerPC/PPCInstr64Bit.td
View File

@ -295,9 +295,9 @@ def MTCTR8 : XFXForm_7_ext<31, 467, 9, (outs), (ins g8rc:$rS),
}
let hasSideEffects = 1, isCodeGenOnly = 1, Defs = [CTR8] in {
let Pattern = [(int_ppc_mtctr i64:$rS)] in
def MTCTR8se : XFXForm_7_ext<31, 467, 9, (outs), (ins g8rc:$rS),
"mtctr $rS", SprMTSPR>,
PPC970_DGroup_First, PPC970_Unit_FXU;
def MTCTR8loop : XFXForm_7_ext<31, 467, 9, (outs), (ins g8rc:$rS),
"mtctr $rS", SprMTSPR>,
PPC970_DGroup_First, PPC970_Unit_FXU;
}
let Pattern = [(set i64:$rT, readcyclecounter)] in

6
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -1704,9 +1704,9 @@ def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins gprc:$rS),
}
let hasSideEffects = 1, isCodeGenOnly = 1, Defs = [CTR] in {
let Pattern = [(int_ppc_mtctr i32:$rS)] in
def MTCTRse : XFXForm_7_ext<31, 467, 9, (outs), (ins gprc:$rS),
"mtctr $rS", SprMTSPR>,
PPC970_DGroup_First, PPC970_Unit_FXU;
def MTCTRloop : XFXForm_7_ext<31, 467, 9, (outs), (ins gprc:$rS),
"mtctr $rS", SprMTSPR>,
PPC970_DGroup_First, PPC970_Unit_FXU;
}
let Defs = [LR] in {