; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV32IF %s ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV64IF %s ; This file provides a simple test of float and double operations for ; RV32I and RV64I. This is primarily intended to ensure that custom ; legalisation or DAG combines aren't incorrectly triggered when the F ; extension isn't enabled. ; TODO: f32 parameters on RV64 with a soft-float ABI are anyext. define float @float_test(float %a, float %b) nounwind { ; RV32IF-LABEL: float_test: ; RV32IF: # %bb.0: ; RV32IF-NEXT: addi sp, sp, -16 ; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32IF-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32IF-NEXT: mv s0, a1 ; RV32IF-NEXT: call __addsf3@plt ; RV32IF-NEXT: mv a1, s0 ; RV32IF-NEXT: call __divsf3@plt ; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32IF-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32IF-NEXT: addi sp, sp, 16 ; RV32IF-NEXT: ret ; ; RV64IF-LABEL: float_test: ; RV64IF: # %bb.0: ; RV64IF-NEXT: addi sp, sp, -16 ; RV64IF-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64IF-NEXT: sd s0, 0(sp) # 8-byte Folded Spill ; RV64IF-NEXT: mv s0, a1 ; RV64IF-NEXT: call __addsf3@plt ; RV64IF-NEXT: mv a1, s0 ; RV64IF-NEXT: call __divsf3@plt ; RV64IF-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64IF-NEXT: ld s0, 0(sp) # 8-byte Folded Reload ; RV64IF-NEXT: addi sp, sp, 16 ; RV64IF-NEXT: ret %1 = fadd float %a, %b %2 = fdiv float %1, %b ret float %2 } define double @double_test(double %a, double %b) nounwind { ; RV32IF-LABEL: double_test: ; RV32IF: # %bb.0: ; RV32IF-NEXT: addi sp, sp, -16 ; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32IF-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32IF-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32IF-NEXT: mv s0, a3 ; RV32IF-NEXT: mv s1, a2 ; RV32IF-NEXT: call __adddf3@plt ; RV32IF-NEXT: mv a2, s1 ; RV32IF-NEXT: mv a3, s0 ; RV32IF-NEXT: call __divdf3@plt ; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32IF-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32IF-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32IF-NEXT: addi sp, sp, 16 ; RV32IF-NEXT: ret ; ; RV64IF-LABEL: double_test: ; RV64IF: # %bb.0: ; RV64IF-NEXT: addi sp, sp, -16 ; RV64IF-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64IF-NEXT: sd s0, 0(sp) # 8-byte Folded Spill ; RV64IF-NEXT: mv s0, a1 ; RV64IF-NEXT: call __adddf3@plt ; RV64IF-NEXT: mv a1, s0 ; RV64IF-NEXT: call __divdf3@plt ; RV64IF-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64IF-NEXT: ld s0, 0(sp) # 8-byte Folded Reload ; RV64IF-NEXT: addi sp, sp, 16 ; RV64IF-NEXT: ret %1 = fadd double %a, %b %2 = fdiv double %1, %b ret double %2 }