diff options
Diffstat (limited to 'llvm/lib/Target/VE/VESubtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/VE/VESubtarget.cpp | 64 |
1 files changed, 13 insertions, 51 deletions
diff --git a/llvm/lib/Target/VE/VESubtarget.cpp b/llvm/lib/Target/VE/VESubtarget.cpp index a0b78d95e3cf..daa6cfb8aa84 100644 --- a/llvm/lib/Target/VE/VESubtarget.cpp +++ b/llvm/lib/Target/VE/VESubtarget.cpp @@ -27,73 +27,35 @@ void VESubtarget::anchor() {} VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) { + // Default feature settings + EnableVPU = false; + // Determine default and user specified characteristics std::string CPUName = std::string(CPU); if (CPUName.empty()) - CPUName = "ve"; + CPUName = "generic"; // Parse features string. - ParseSubtargetFeatures(CPUName, FS); + ParseSubtargetFeatures(CPUName, /*TuneCPU=*/CPU, FS); return *this; } VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, const TargetMachine &TM) - : VEGenSubtargetInfo(TT, CPU, FS), TargetTriple(TT), + : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT), InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this), FrameLowering(*this) {} -int VESubtarget::getAdjustedFrameSize(int frameSize) const { - - // VE stack frame: - // - // +----------------------------------------+ - // | Locals and temporaries | - // +----------------------------------------+ - // | Parameter area for callee | - // 176(fp) | | - // +----------------------------------------+ - // | Register save area (RSA) for callee | - // | | - // 16(fp) | 20 * 8 bytes | - // +----------------------------------------+ - // 8(fp) | Return address | - // +----------------------------------------+ - // 0(fp) | Frame pointer of caller | - // --------+----------------------------------------+-------- - // | Locals and temporaries for callee | - // +----------------------------------------+ - // | Parameter area for callee of callee | - // +----------------------------------------+ - // 16(sp) | RSA for callee of callee | - // +----------------------------------------+ - // 8(sp) | Return address | - // +----------------------------------------+ - // 0(sp) | Frame pointer of callee | - // +----------------------------------------+ - - // RSA frame: - // +----------------------------------------------+ - // 168(fp) | %s33 | - // +----------------------------------------------+ - // | %s19...%s32 | - // +----------------------------------------------+ - // 48(fp) | %s18 | - // +----------------------------------------------+ - // 40(fp) | Linkage area register (%s17) | - // +----------------------------------------------+ - // 32(fp) | Procedure linkage table register (%plt=%s16) | - // +----------------------------------------------+ - // 24(fp) | Global offset table register (%got=%s15) | - // +----------------------------------------------+ - // 16(fp) | Thread pointer register (%tp=%s14) | - // +----------------------------------------------+ +uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const { + // Calculate adjusted frame size by adding the size of RSA frame, + // return address, and frame poitner as described in VEFrameLowering.cpp. + const VEFrameLowering *TFL = getFrameLowering(); - frameSize += 176; // for RSA, RA, and FP - frameSize = alignTo(frameSize, 16); // requires 16 bytes alignment + FrameSize += getRsaSize(); + FrameSize = alignTo(FrameSize, TFL->getStackAlign()); - return frameSize; + return FrameSize; } bool VESubtarget::enableMachineScheduler() const { return true; } |