Index: llvm/lib/Target/PowerPC/PPCCallingConv.td =================================================================== --- llvm/lib/Target/PowerPC/PPCCallingConv.td +++ llvm/lib/Target/PowerPC/PPCCallingConv.td @@ -277,13 +277,19 @@ F27, F28, F29, F30, F31 )>; def CSR_SPE : CalleeSavedRegs<(add S14, S15, S16, S17, S18, S19, S20, S21, S22, - S23, S24, S25, S26, S27, S28, S29, S30, S31 + S23, S24, S25, S26, S27, S28, S29, S30 )>; +def CSR_SPE_NO_S30_31 : CalleeSavedRegs<(add S14, S15, S16, S17, S18, S19, S20, S21, + S22, S23, S24, S25, S26, S27, S28, S29 + )>; + def CSR_SVR432_Altivec : CalleeSavedRegs<(add CSR_SVR432, CSR_Altivec)>; def CSR_SVR432_SPE : CalleeSavedRegs<(add CSR_SVR432_COMM, CSR_SPE)>; +def CSR_SVR432_SPE_NO_S30_31 : CalleeSavedRegs<(add CSR_SVR432_COMM, CSR_SPE_NO_S30_31)>; + def CSR_AIX32 : CalleeSavedRegs<(add R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, F14, F15, F16, F17, F18, Index: llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp =================================================================== --- llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -253,8 +253,11 @@ return CSR_SVR432_VSRP_SaveList; if (Subtarget.hasAltivec()) return CSR_SVR432_Altivec_SaveList; - else if (Subtarget.hasSPE()) + else if (Subtarget.hasSPE()) { + if (TM.isPositionIndependent() && !TM.isPPC64()) + return CSR_SVR432_SPE_NO_S30_31_SaveList; return CSR_SVR432_SPE_SaveList; + } return CSR_SVR432_SaveList; } @@ -313,8 +316,11 @@ ? CSR_SVR432_VSRP_RegMask : (Subtarget.hasAltivec() ? CSR_SVR432_Altivec_RegMask - : (Subtarget.hasSPE() ? CSR_SVR432_SPE_RegMask - : CSR_SVR432_RegMask)); + : (Subtarget.hasSPE() + ? (TM.isPositionIndependent() + ? CSR_SVR432_SPE_NO_S30_31_RegMask + : CSR_SVR432_SPE_RegMask) + : CSR_SVR432_RegMask)); } const uint32_t* Index: llvm/test/CodeGen/PowerPC/pr55857.ll =================================================================== --- /dev/null +++ llvm/test/CodeGen/PowerPC/pr55857.ll @@ -0,0 +1,18 @@ +; RUN: llc --relocation-model=pic \ +; RUN: -mtriple=ppc32 < %s | FileCheck %s + +@g = global i32 10, align 4 + +; Function Attrs: noinline nounwind optnone uwtable +define i32 @main() #0 { +; CHECK-LABEL: main: +; CHECK-NOT: evstdd +entry: + %retval = alloca i32, align 4 + store i32 0, ptr %retval, align 4 + %0 = load i32, ptr @g, align 4 + ret i32 %0 +} + +attributes #0 = { noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="e500" "target-features"="+spe,-altivec,-bpermd,-crbits,-crypto,-direct-move,-extdiv,-htm,-isa-v206-instructions,-isa-v207-instructions,-isa-v30-instructions,-power8-vector,-power9-vector,-privileged,-quadword-atomics,-rop-protect,-vsx" } +