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Add VSX Scalar loads and stores to the PPC back end

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This patch corresponds to review:
http://reviews.llvm.org/D9440

It adds a new register class to the PPC back end to contain single precision
values in VSX registers. Additionally, it adds scalar loads and stores for
VSX registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236755 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nemanja Ivanovic
2015-05-07 18:24:05 +00:00
parent 9e31c0cf91
commit 308873bcb8
12 changed files with 337 additions and 24 deletions
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lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
+24
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@@ -132,6 +132,25 @@ static const MCPhysReg VSFRegs[64] = {
PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27,
PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
};
static const MCPhysReg VSSRegs[64] = {
PPC::F0, PPC::F1, PPC::F2, PPC::F3,
PPC::F4, PPC::F5, PPC::F6, PPC::F7,
PPC::F8, PPC::F9, PPC::F10, PPC::F11,
PPC::F12, PPC::F13, PPC::F14, PPC::F15,
PPC::F16, PPC::F17, PPC::F18, PPC::F19,
PPC::F20, PPC::F21, PPC::F22, PPC::F23,
PPC::F24, PPC::F25, PPC::F26, PPC::F27,
PPC::F28, PPC::F29, PPC::F30, PPC::F31,
PPC::VF0, PPC::VF1, PPC::VF2, PPC::VF3,
PPC::VF4, PPC::VF5, PPC::VF6, PPC::VF7,
PPC::VF8, PPC::VF9, PPC::VF10, PPC::VF11,
PPC::VF12, PPC::VF13, PPC::VF14, PPC::VF15,
PPC::VF16, PPC::VF17, PPC::VF18, PPC::VF19,
PPC::VF20, PPC::VF21, PPC::VF22, PPC::VF23,
PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27,
PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
};
static unsigned QFRegs[32] = {
PPC::QF0, PPC::QF1, PPC::QF2, PPC::QF3,
PPC::QF4, PPC::QF5, PPC::QF6, PPC::QF7,
@@ -577,6 +596,11 @@ public:
Inst.addOperand(MCOperand::CreateReg(VSFRegs[getVSReg()]));
}
void addRegVSSRCOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(VSSRegs[getVSReg()]));
}
void addRegQFRCOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateReg(QFRegs[getReg()]));