diff --git a/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp b/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp --- a/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp +++ b/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp @@ -1129,7 +1129,8 @@ void AArch64AsmPrinter::emitFMov0(const MachineInstr &MI) { Register DestReg = MI.getOperand(0).getReg(); - if (STI->hasZeroCycleZeroingFP() && !STI->hasZeroCycleZeroingFPWorkaround()) { + if (STI->hasZeroCycleZeroingFP() && !STI->hasZeroCycleZeroingFPWorkaround() && + STI->hasNEON()) { // Convert H/S register to corresponding D register if (AArch64::H0 <= DestReg && DestReg <= AArch64::H31) DestReg = AArch64::D0 + (DestReg - AArch64::H0); diff --git a/llvm/test/CodeGen/AArch64/movid-no-neon.ll b/llvm/test/CodeGen/AArch64/movid-no-neon.ll new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/AArch64/movid-no-neon.ll @@ -0,0 +1,42 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,+neon -o - %s -O0 -filetype=asm | FileCheck %s --check-prefix=NEON-ENABLED +; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,-neon -o - %s -O0 -filetype=asm | FileCheck %s --check-prefix=NEON-DISABLED + +define float @get_float() { +; NEON-ENABLED-LABEL: get_float: +; NEON-ENABLED: // %bb.0: +; NEON-ENABLED-NEXT: movi d0, #0000000000000000 +; NEON-ENABLED-NEXT: ret +; +; NEON-DISABLED-LABEL: get_float: +; NEON-DISABLED: // %bb.0: +; NEON-DISABLED-NEXT: fmov s0, wzr +; NEON-DISABLED-NEXT: ret + ret float 0.000000e+00 +} + +define double @get_double() { +; NEON-ENABLED-LABEL: get_double: +; NEON-ENABLED: // %bb.0: +; NEON-ENABLED-NEXT: movi d0, #0000000000000000 +; NEON-ENABLED-NEXT: ret +; +; NEON-DISABLED-LABEL: get_double: +; NEON-DISABLED: // %bb.0: +; NEON-DISABLED-NEXT: fmov d0, xzr +; NEON-DISABLED-NEXT: ret + ret double 0.000000e+00 +} + +define half @get_half() { +; NEON-ENABLED-LABEL: get_half: +; NEON-ENABLED: // %bb.0: +; NEON-ENABLED-NEXT: movi d0, #0000000000000000 +; NEON-ENABLED-NEXT: ret +; +; NEON-DISABLED-LABEL: get_half: +; NEON-DISABLED: // %bb.0: +; NEON-DISABLED-NEXT: fmov h0, wzr +; NEON-DISABLED-NEXT: ret + ret half 0.000000e+00 +}