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);
--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,+neon < %s | FileCheck %s --check-prefix=NEON-ENABLED
+; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,-neon < %s | 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
+}