; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV32I %s ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV64I %s ; This file provides a simple sanity check of half operations for ; RV32I and RV64I. This is primarily intended to ensure that custom ; legalisation or DAG combines aren't incorrectly triggered when the Zfh ; extension isn't enabled. define half @half_test(half %a, half %b) nounwind { ; RV32I-LABEL: half_test: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: sw s0, 8(sp) ; RV32I-NEXT: sw s1, 4(sp) ; RV32I-NEXT: sw s2, 0(sp) ; RV32I-NEXT: mv s2, a1 ; RV32I-NEXT: lui a1, 16 ; RV32I-NEXT: addi s0, a1, -1 ; RV32I-NEXT: and a0, a0, s0 ; RV32I-NEXT: call __gnu_h2f_ieee ; RV32I-NEXT: mv s1, a0 ; RV32I-NEXT: and a0, s2, s0 ; RV32I-NEXT: call __gnu_h2f_ieee ; RV32I-NEXT: mv s0, a0 ; RV32I-NEXT: mv a0, s1 ; RV32I-NEXT: mv a1, s0 ; RV32I-NEXT: call __addsf3 ; RV32I-NEXT: mv a1, s0 ; RV32I-NEXT: call __divsf3 ; RV32I-NEXT: call __gnu_f2h_ieee ; RV32I-NEXT: lw s2, 0(sp) ; RV32I-NEXT: lw s1, 4(sp) ; RV32I-NEXT: lw s0, 8(sp) ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: half_test: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) ; RV64I-NEXT: sd s0, 16(sp) ; RV64I-NEXT: sd s1, 8(sp) ; RV64I-NEXT: sd s2, 0(sp) ; RV64I-NEXT: mv s2, a1 ; RV64I-NEXT: lui a1, 16 ; RV64I-NEXT: addiw s0, a1, -1 ; RV64I-NEXT: and a0, a0, s0 ; RV64I-NEXT: call __gnu_h2f_ieee ; RV64I-NEXT: mv s1, a0 ; RV64I-NEXT: and a0, s2, s0 ; RV64I-NEXT: call __gnu_h2f_ieee ; RV64I-NEXT: mv s0, a0 ; RV64I-NEXT: mv a0, s1 ; RV64I-NEXT: mv a1, s0 ; RV64I-NEXT: call __addsf3 ; RV64I-NEXT: mv a1, s0 ; RV64I-NEXT: call __divsf3 ; RV64I-NEXT: call __gnu_f2h_ieee ; RV64I-NEXT: ld s2, 0(sp) ; RV64I-NEXT: ld s1, 8(sp) ; RV64I-NEXT: ld s0, 16(sp) ; RV64I-NEXT: ld ra, 24(sp) ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %1 = fadd half %a, %b %2 = fdiv half %1, %b ret half %2 }