; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \ ; RUN: -target-abi=ilp32f | FileCheck -check-prefix=CHECKIF %s ; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \ ; RUN: -target-abi=lp64f | FileCheck -check-prefix=CHECKIF %s ; 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 ; These tests are each targeted at a particular RISC-V FPU instruction. ; Compares and conversions can be found in float-fcmp.ll and float-convert.ll ; respectively. Some other float-*.ll files in this folder exercise LLVM IR ; instructions that don't directly match a RISC-V instruction. define float @fadd_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fadd_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fadd.s fa0, fa0, fa1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fadd_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fadd_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fadd float %a, %b ret float %1 } define float @fsub_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fsub_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fsub.s fa0, fa0, fa1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fsub_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call __subsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fsub_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call __subsf3@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fsub float %a, %b ret float %1 } define float @fmul_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fmul_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmul.s fa0, fa0, fa1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fmul_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call __mulsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fmul_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call __mulsf3@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fmul float %a, %b ret float %1 } define float @fdiv_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fdiv_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fdiv.s fa0, fa0, fa1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fdiv_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call __divsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fdiv_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call __divsf3@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fdiv float %a, %b ret float %1 } declare float @llvm.sqrt.f32(float) define float @fsqrt_s(float %a) nounwind { ; CHECKIF-LABEL: fsqrt_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fsqrt.s fa0, fa0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fsqrt_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call sqrtf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fsqrt_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call sqrtf@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = call float @llvm.sqrt.f32(float %a) ret float %1 } declare float @llvm.copysign.f32(float, float) define float @fsgnj_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fsgnj_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fsgnj.s fa0, fa0, fa1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fsgnj_s: ; RV32I: # %bb.0: ; RV32I-NEXT: lui a2, 524288 ; RV32I-NEXT: and a1, a1, a2 ; RV32I-NEXT: slli a0, a0, 1 ; RV32I-NEXT: srli a0, a0, 1 ; RV32I-NEXT: or a0, a0, a1 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fsgnj_s: ; RV64I: # %bb.0: ; RV64I-NEXT: lui a2, 524288 ; RV64I-NEXT: and a1, a1, a2 ; RV64I-NEXT: slli a0, a0, 33 ; RV64I-NEXT: srli a0, a0, 33 ; RV64I-NEXT: or a0, a0, a1 ; RV64I-NEXT: ret %1 = call float @llvm.copysign.f32(float %a, float %b) ret float %1 } define i32 @fneg_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fneg_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fadd.s ft0, fa0, fa0 ; CHECKIF-NEXT: fneg.s ft1, ft0 ; CHECKIF-NEXT: feq.s a0, ft0, ft1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fneg_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv a1, a0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a1, a0, a1 ; RV32I-NEXT: call __eqsf2@plt ; RV32I-NEXT: seqz a0, a0 ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fneg_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv a1, a0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: xor a1, a0, a1 ; RV64I-NEXT: call __eqsf2@plt ; RV64I-NEXT: seqz a0, a0 ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fadd float %a, %a %2 = fneg float %1 %3 = fcmp oeq float %1, %2 %4 = zext i1 %3 to i32 ret i32 %4 } define float @fsgnjn_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fsgnjn_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fadd.s ft0, fa0, fa1 ; CHECKIF-NEXT: fsgnjn.s fa0, fa0, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fsgnjn_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: not a0, a0 ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: and a0, a0, a1 ; RV32I-NEXT: slli a1, s0, 1 ; RV32I-NEXT: srli a1, a1, 1 ; RV32I-NEXT: or a0, a1, a0 ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fsgnjn_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 0(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: not a0, a0 ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: and a0, a0, a1 ; RV64I-NEXT: slli a1, s0, 33 ; RV64I-NEXT: srli a1, a1, 33 ; RV64I-NEXT: or a0, a1, a0 ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 0(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fadd float %a, %b %2 = fneg float %1 %3 = call float @llvm.copysign.f32(float %a, float %2) ret float %3 } declare float @llvm.fabs.f32(float) define float @fabs_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fabs_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fadd.s ft0, fa0, fa1 ; CHECKIF-NEXT: fabs.s ft1, ft0 ; CHECKIF-NEXT: fadd.s fa0, ft1, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fabs_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv a1, a0 ; RV32I-NEXT: slli a0, a0, 1 ; RV32I-NEXT: srli a0, a0, 1 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fabs_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv a1, a0 ; RV64I-NEXT: slli a0, a0, 33 ; RV64I-NEXT: srli a0, a0, 33 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fadd float %a, %b %2 = call float @llvm.fabs.f32(float %1) %3 = fadd float %2, %1 ret float %3 } declare float @llvm.minnum.f32(float, float) define float @fmin_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fmin_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmin.s fa0, fa0, fa1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fmin_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call fminf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fmin_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call fminf@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = call float @llvm.minnum.f32(float %a, float %b) ret float %1 } declare float @llvm.maxnum.f32(float, float) define float @fmax_s(float %a, float %b) nounwind { ; CHECKIF-LABEL: fmax_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmax.s fa0, fa0, fa1 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fmax_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call fmaxf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fmax_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call fmaxf@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = call float @llvm.maxnum.f32(float %a, float %b) ret float %1 } declare float @llvm.fma.f32(float, float, float) define float @fmadd_s(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fmadd_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmadd.s fa0, fa0, fa1, fa2 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fmadd_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fmadd_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = call float @llvm.fma.f32(float %a, float %b, float %c) ret float %1 } define float @fmsub_s(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fmsub_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft0, fa2, ft0 ; CHECKIF-NEXT: fmsub.s fa0, fa0, fa1, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fmsub_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a1 ; RV32I-NEXT: mv s1, a0 ; RV32I-NEXT: mv a0, a2 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a2, a0, a1 ; RV32I-NEXT: mv a0, s1 ; RV32I-NEXT: mv a1, s0 ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fmsub_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a1 ; RV64I-NEXT: mv s1, a0 ; RV64I-NEXT: mv a0, a2 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: xor a2, a0, a1 ; RV64I-NEXT: mv a0, s1 ; RV64I-NEXT: mv a1, s0 ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %c_ = fadd float 0.0, %c ; avoid negation using xor %negc = fsub float -0.0, %c_ %1 = call float @llvm.fma.f32(float %a, float %b, float %negc) ret float %1 } define float @fnmadd_s(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fnmadd_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft1, fa0, ft0 ; CHECKIF-NEXT: fadd.s ft0, fa2, ft0 ; CHECKIF-NEXT: fnmadd.s fa0, ft1, fa1, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmadd_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a2 ; RV32I-NEXT: mv s1, a1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv s2, a0 ; RV32I-NEXT: mv a0, s0 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lui a2, 524288 ; RV32I-NEXT: xor a1, s2, a2 ; RV32I-NEXT: xor a2, a0, a2 ; RV32I-NEXT: mv a0, a1 ; RV32I-NEXT: mv a1, s1 ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmadd_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a2 ; RV64I-NEXT: mv s1, a1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv s2, a0 ; RV64I-NEXT: mv a0, s0 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: lui a2, 524288 ; RV64I-NEXT: xor a1, s2, a2 ; RV64I-NEXT: xor a2, a0, a2 ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: mv a1, s1 ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %a_ = fadd float 0.0, %a %c_ = fadd float 0.0, %c %nega = fsub float -0.0, %a_ %negc = fsub float -0.0, %c_ %1 = call float @llvm.fma.f32(float %nega, float %b, float %negc) ret float %1 } define float @fnmadd_s_2(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fnmadd_s_2: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft1, fa1, ft0 ; CHECKIF-NEXT: fadd.s ft0, fa2, ft0 ; CHECKIF-NEXT: fnmadd.s fa0, ft1, fa0, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmadd_s_2: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a2 ; RV32I-NEXT: mv s1, a0 ; RV32I-NEXT: mv a0, a1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv s2, a0 ; RV32I-NEXT: mv a0, s0 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lui a2, 524288 ; RV32I-NEXT: xor a1, s2, a2 ; RV32I-NEXT: xor a2, a0, a2 ; RV32I-NEXT: mv a0, s1 ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmadd_s_2: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a2 ; RV64I-NEXT: mv s1, a0 ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv s2, a0 ; RV64I-NEXT: mv a0, s0 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: lui a2, 524288 ; RV64I-NEXT: xor a1, s2, a2 ; RV64I-NEXT: xor a2, a0, a2 ; RV64I-NEXT: mv a0, s1 ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %b_ = fadd float 0.0, %b %c_ = fadd float 0.0, %c %negb = fsub float -0.0, %b_ %negc = fsub float -0.0, %c_ %1 = call float @llvm.fma.f32(float %a, float %negb, float %negc) ret float %1 } define float @fnmadd_s_3(float %a, float %b, float %c) nounwind { ; RV32IF-LABEL: fnmadd_s_3: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmadd.s ft0, fa0, fa1, fa2 ; RV32IF-NEXT: fneg.s fa0, ft0 ; RV32IF-NEXT: ret ; ; RV64IF-LABEL: fnmadd_s_3: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmadd.s ft0, fa0, fa1, fa2 ; RV64IF-NEXT: fneg.s fa0, ft0 ; RV64IF-NEXT: ret ; ; CHECKIF-LABEL: fnmadd_s_3: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmadd.s ft0, fa0, fa1, fa2 ; CHECKIF-NEXT: fneg.s fa0, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmadd_s_3: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a0, a0, a1 ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmadd_s_3: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: xor a0, a0, a1 ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = call float @llvm.fma.f32(float %a, float %b, float %c) %neg = fneg float %1 ret float %neg } define float @fnmadd_nsz(float %a, float %b, float %c) nounwind { ; RV32IF-LABEL: fnmadd_nsz: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fnmadd.s fa0, fa0, fa1, fa2 ; RV32IF-NEXT: ret ; ; RV64IF-LABEL: fnmadd_nsz: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fnmadd.s fa0, fa0, fa1, fa2 ; RV64IF-NEXT: ret ; ; CHECKIF-LABEL: fnmadd_nsz: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fnmadd.s fa0, fa0, fa1, fa2 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmadd_nsz: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a0, a0, a1 ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmadd_nsz: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: xor a0, a0, a1 ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = call nsz float @llvm.fma.f32(float %a, float %b, float %c) %neg = fneg nsz float %1 ret float %neg } define float @fnmsub_s(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fnmsub_s: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft0, fa0, ft0 ; CHECKIF-NEXT: fnmsub.s fa0, ft0, fa1, fa2 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmsub_s: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a2 ; RV32I-NEXT: mv s1, a1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a0, a0, a1 ; RV32I-NEXT: mv a1, s1 ; RV32I-NEXT: mv a2, s0 ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmsub_s: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a2 ; RV64I-NEXT: mv s1, a1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: xor a0, a0, a1 ; RV64I-NEXT: mv a1, s1 ; RV64I-NEXT: mv a2, s0 ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %a_ = fadd float 0.0, %a %nega = fsub float -0.0, %a_ %1 = call float @llvm.fma.f32(float %nega, float %b, float %c) ret float %1 } define float @fnmsub_s_2(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fnmsub_s_2: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft0, fa1, ft0 ; CHECKIF-NEXT: fnmsub.s fa0, ft0, fa0, fa2 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmsub_s_2: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a2 ; RV32I-NEXT: mv s1, a0 ; RV32I-NEXT: mv a0, a1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a1, a0, a1 ; RV32I-NEXT: mv a0, s1 ; RV32I-NEXT: mv a2, s0 ; RV32I-NEXT: call fmaf@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmsub_s_2: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a2 ; RV64I-NEXT: mv s1, a0 ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: xor a1, a0, a1 ; RV64I-NEXT: mv a0, s1 ; RV64I-NEXT: mv a2, s0 ; RV64I-NEXT: call fmaf@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %b_ = fadd float 0.0, %b %negb = fsub float -0.0, %b_ %1 = call float @llvm.fma.f32(float %a, float %negb, float %c) ret float %1 } define float @fmadd_s_contract(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fmadd_s_contract: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmadd.s fa0, fa0, fa1, fa2 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fmadd_s_contract: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a2 ; RV32I-NEXT: call __mulsf3@plt ; RV32I-NEXT: mv a1, s0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fmadd_s_contract: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 0(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a2 ; RV64I-NEXT: call __mulsf3@plt ; RV64I-NEXT: mv a1, s0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 0(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = fmul contract float %a, %b %2 = fadd contract float %1, %c ret float %2 } define float @fmsub_s_contract(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fmsub_s_contract: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft0, fa2, ft0 ; CHECKIF-NEXT: fmsub.s fa0, fa0, fa1, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fmsub_s_contract: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a1 ; RV32I-NEXT: mv s1, a0 ; RV32I-NEXT: mv a0, a2 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv s2, a0 ; RV32I-NEXT: mv a0, s1 ; RV32I-NEXT: mv a1, s0 ; RV32I-NEXT: call __mulsf3@plt ; RV32I-NEXT: mv a1, s2 ; RV32I-NEXT: call __subsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fmsub_s_contract: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a1 ; RV64I-NEXT: mv s1, a0 ; RV64I-NEXT: mv a0, a2 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv s2, a0 ; RV64I-NEXT: mv a0, s1 ; RV64I-NEXT: mv a1, s0 ; RV64I-NEXT: call __mulsf3@plt ; RV64I-NEXT: mv a1, s2 ; RV64I-NEXT: call __subsf3@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %c_ = fadd float 0.0, %c ; avoid negation using xor %1 = fmul contract float %a, %b %2 = fsub contract float %1, %c_ ret float %2 } define float @fnmadd_s_contract(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fnmadd_s_contract: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft1, fa0, ft0 ; CHECKIF-NEXT: fadd.s ft2, fa1, ft0 ; CHECKIF-NEXT: fadd.s ft0, fa2, ft0 ; CHECKIF-NEXT: fnmadd.s fa0, ft1, ft2, ft0 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmadd_s_contract: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a2 ; RV32I-NEXT: mv s1, a1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv s2, a0 ; RV32I-NEXT: mv a0, s1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv s1, a0 ; RV32I-NEXT: mv a0, s0 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv s0, a0 ; RV32I-NEXT: mv a0, s2 ; RV32I-NEXT: mv a1, s1 ; RV32I-NEXT: call __mulsf3@plt ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a0, a0, a1 ; RV32I-NEXT: mv a1, s0 ; RV32I-NEXT: call __subsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmadd_s_contract: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a2 ; RV64I-NEXT: mv s1, a1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv s2, a0 ; RV64I-NEXT: mv a0, s1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv s1, a0 ; RV64I-NEXT: mv a0, s0 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv s0, a0 ; RV64I-NEXT: mv a0, s2 ; RV64I-NEXT: mv a1, s1 ; RV64I-NEXT: call __mulsf3@plt ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: xor a0, a0, a1 ; RV64I-NEXT: mv a1, s0 ; RV64I-NEXT: call __subsf3@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %a_ = fadd float 0.0, %a ; avoid negation using xor %b_ = fadd float 0.0, %b ; avoid negation using xor %c_ = fadd float 0.0, %c ; avoid negation using xor %1 = fmul contract float %a_, %b_ %2 = fneg float %1 %3 = fsub contract float %2, %c_ ret float %3 } define float @fnmsub_s_contract(float %a, float %b, float %c) nounwind { ; CHECKIF-LABEL: fnmsub_s_contract: ; CHECKIF: # %bb.0: ; CHECKIF-NEXT: fmv.w.x ft0, zero ; CHECKIF-NEXT: fadd.s ft1, fa0, ft0 ; CHECKIF-NEXT: fadd.s ft0, fa1, ft0 ; CHECKIF-NEXT: fnmsub.s fa0, ft1, ft0, fa2 ; CHECKIF-NEXT: ret ; ; RV32I-LABEL: fnmsub_s_contract: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill ; RV32I-NEXT: mv s0, a2 ; RV32I-NEXT: mv s1, a1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv s2, a0 ; RV32I-NEXT: mv a0, s1 ; RV32I-NEXT: li a1, 0 ; RV32I-NEXT: call __addsf3@plt ; RV32I-NEXT: mv a1, a0 ; RV32I-NEXT: mv a0, s2 ; RV32I-NEXT: call __mulsf3@plt ; RV32I-NEXT: mv a1, a0 ; RV32I-NEXT: mv a0, s0 ; RV32I-NEXT: call __subsf3@plt ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: fnmsub_s_contract: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -32 ; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill ; RV64I-NEXT: mv s0, a2 ; RV64I-NEXT: mv s1, a1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv s2, a0 ; RV64I-NEXT: mv a0, s1 ; RV64I-NEXT: li a1, 0 ; RV64I-NEXT: call __addsf3@plt ; RV64I-NEXT: mv a1, a0 ; RV64I-NEXT: mv a0, s2 ; RV64I-NEXT: call __mulsf3@plt ; RV64I-NEXT: mv a1, a0 ; RV64I-NEXT: mv a0, s0 ; RV64I-NEXT: call __subsf3@plt ; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload ; RV64I-NEXT: addi sp, sp, 32 ; RV64I-NEXT: ret %a_ = fadd float 0.0, %a ; avoid negation using xor %b_ = fadd float 0.0, %b ; avoid negation using xor %1 = fmul contract float %a_, %b_ %2 = fsub contract float %c, %1 ret float %2 }