| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \ |
| ; RUN: -target-abi=ilp32d | FileCheck -check-prefixes=CHECKIFD,RV32IFD %s |
| ; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \ |
| ; RUN: -target-abi=lp64d | FileCheck -check-prefixes=CHECKIFD,RV64IFD %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 double-fcmp.ll and double-convert.ll |
| ; respectively. Some other double-*.ll files in this folder exercise LLVM IR |
| ; instructions that don't directly match a RISC-V instruction. |
| |
| define double @fadd_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fadd_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fadd.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fadd_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fadd_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = fadd double %a, %b |
| ret double %1 |
| } |
| |
| define double @fsub_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fsub_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fsub.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fsub_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __subdf3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fsub_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call __subdf3@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = fsub double %a, %b |
| ret double %1 |
| } |
| |
| define double @fmul_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fmul_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fmul.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fmul_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __muldf3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fmul_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call __muldf3@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = fmul double %a, %b |
| ret double %1 |
| } |
| |
| define double @fdiv_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fdiv_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fdiv.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fdiv_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __divdf3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fdiv_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call __divdf3@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = fdiv double %a, %b |
| ret double %1 |
| } |
| |
| declare double @llvm.sqrt.f64(double) |
| |
| define double @fsqrt_d(double %a) nounwind { |
| ; CHECKIFD-LABEL: fsqrt_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fsqrt.d fa0, fa0 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fsqrt_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call sqrt@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fsqrt_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call sqrt@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = call double @llvm.sqrt.f64(double %a) |
| ret double %1 |
| } |
| |
| declare double @llvm.copysign.f64(double, double) |
| |
| define double @fsgnj_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fsgnj_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fsgnj.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fsgnj_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lui a2, 524288 |
| ; RV32I-NEXT: and a2, a3, a2 |
| ; RV32I-NEXT: slli a1, a1, 1 |
| ; RV32I-NEXT: srli a1, a1, 1 |
| ; RV32I-NEXT: or a1, a1, a2 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fsgnj_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srli a1, a1, 63 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: slli a0, a0, 1 |
| ; RV64I-NEXT: srli a0, a0, 1 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = call double @llvm.copysign.f64(double %a, double %b) |
| ret double %1 |
| } |
| |
| ; This function performs extra work to ensure that |
| ; DAGCombiner::visitBITCAST doesn't replace the fneg with an xor. |
| define i32 @fneg_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fneg_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fadd.d ft0, fa0, fa0 |
| ; CHECKIFD-NEXT: fneg.d ft1, ft0 |
| ; CHECKIFD-NEXT: feq.d a0, ft0, ft1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fneg_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv a2, a0 |
| ; RV32I-NEXT: mv a3, a1 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: lui a2, 524288 |
| ; RV32I-NEXT: xor a3, a1, a2 |
| ; RV32I-NEXT: mv a2, a0 |
| ; RV32I-NEXT: call __eqdf2@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_d: |
| ; 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 __adddf3@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: xor a1, a0, a1 |
| ; RV64I-NEXT: call __eqdf2@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 double %a, %a |
| %2 = fneg double %1 |
| %3 = fcmp oeq double %1, %2 |
| %4 = zext i1 %3 to i32 |
| ret i32 %4 |
| } |
| |
| define double @fsgnjn_d(double %a, double %b) nounwind { |
| ; TODO: fsgnjn.s isn't selected on RV64 because DAGCombiner::visitBITCAST will |
| ; convert (bitconvert (fneg x)) to a xor. |
| ; |
| ; CHECKIFD-LABEL: fsgnjn_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fsgnjn.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fsgnjn_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: not a2, a3 |
| ; RV32I-NEXT: lui a3, 524288 |
| ; RV32I-NEXT: and a2, a2, a3 |
| ; RV32I-NEXT: slli a1, a1, 1 |
| ; RV32I-NEXT: srli a1, a1, 1 |
| ; RV32I-NEXT: or a1, a1, a2 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fsgnjn_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: not a1, a1 |
| ; RV64I-NEXT: slli a0, a0, 1 |
| ; RV64I-NEXT: srli a0, a0, 1 |
| ; RV64I-NEXT: srli a1, a1, 63 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = fsub double -0.0, %b |
| %2 = call double @llvm.copysign.f64(double %a, double %1) |
| ret double %2 |
| } |
| |
| declare double @llvm.fabs.f64(double) |
| |
| ; This function performs extra work to ensure that |
| ; DAGCombiner::visitBITCAST doesn't replace the fabs with an and. |
| define double @fabs_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fabs_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fadd.d ft0, fa0, fa1 |
| ; CHECKIFD-NEXT: fabs.d ft1, ft0 |
| ; CHECKIFD-NEXT: fadd.d fa0, ft1, ft0 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fabs_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv a3, a1 |
| ; RV32I-NEXT: slli a1, a1, 1 |
| ; RV32I-NEXT: srli a1, a1, 1 |
| ; RV32I-NEXT: mv a2, a0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fabs_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: mv a1, a0 |
| ; RV64I-NEXT: slli a0, a0, 1 |
| ; RV64I-NEXT: srli a0, a0, 1 |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = fadd double %a, %b |
| %2 = call double @llvm.fabs.f64(double %1) |
| %3 = fadd double %2, %1 |
| ret double %3 |
| } |
| |
| declare double @llvm.minnum.f64(double, double) |
| |
| define double @fmin_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fmin_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fmin.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fmin_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call fmin@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fmin_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call fmin@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = call double @llvm.minnum.f64(double %a, double %b) |
| ret double %1 |
| } |
| |
| declare double @llvm.maxnum.f64(double, double) |
| |
| define double @fmax_d(double %a, double %b) nounwind { |
| ; CHECKIFD-LABEL: fmax_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fmax.d fa0, fa0, fa1 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fmax_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call fmax@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fmax_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call fmax@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = call double @llvm.maxnum.f64(double %a, double %b) |
| ret double %1 |
| } |
| |
| declare double @llvm.fma.f64(double, double, double) |
| |
| define double @fmadd_d(double %a, double %b, double %c) nounwind { |
| ; CHECKIFD-LABEL: fmadd_d: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fmadd.d fa0, fa0, fa1, fa2 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fmadd_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call fma@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fmadd_d: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call fma@plt |
| ; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload |
| ; RV64I-NEXT: addi sp, sp, 16 |
| ; RV64I-NEXT: ret |
| %1 = call double @llvm.fma.f64(double %a, double %b, double %c) |
| ret double %1 |
| } |
| |
| define double @fmsub_d(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fmsub_d: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV32IFD-NEXT: fmsub.d fa0, fa0, fa1, ft0 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fmsub_d: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV64IFD-NEXT: fmsub.d fa0, fa0, fa1, ft0 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fmsub_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a3 |
| ; RV32I-NEXT: mv s1, a2 |
| ; RV32I-NEXT: mv s2, a1 |
| ; RV32I-NEXT: mv s3, a0 |
| ; RV32I-NEXT: mv a0, a4 |
| ; RV32I-NEXT: mv a1, a5 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv a4, a0 |
| ; RV32I-NEXT: lui a0, 524288 |
| ; RV32I-NEXT: xor a5, a1, a0 |
| ; RV32I-NEXT: mv a0, s3 |
| ; RV32I-NEXT: mv a1, s2 |
| ; RV32I-NEXT: mv a2, s1 |
| ; RV32I-NEXT: mv a3, s0 |
| ; RV32I-NEXT: call fma@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fmsub_d: |
| ; 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 __adddf3@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: xor a2, a0, a1 |
| ; RV64I-NEXT: mv a0, s1 |
| ; RV64I-NEXT: mv a1, s0 |
| ; RV64I-NEXT: call fma@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 double 0.0, %c ; avoid negation using xor |
| %negc = fsub double -0.0, %c_ |
| %1 = call double @llvm.fma.f64(double %a, double %b, double %negc) |
| ret double %1 |
| } |
| |
| define double @fnmadd_d(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fnmadd_d: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft1, fa0, ft0 |
| ; RV32IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV32IFD-NEXT: fnmadd.d fa0, ft1, fa1, ft0 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fnmadd_d: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft1, fa0, ft0 |
| ; RV64IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV64IFD-NEXT: fnmadd.d fa0, ft1, fa1, ft0 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fnmadd_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s5, 4(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: mv s1, a4 |
| ; RV32I-NEXT: mv s2, a3 |
| ; RV32I-NEXT: mv s3, a2 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv s4, a0 |
| ; RV32I-NEXT: mv s5, a1 |
| ; RV32I-NEXT: mv a0, s1 |
| ; RV32I-NEXT: mv a1, s0 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv a4, a0 |
| ; RV32I-NEXT: lui a0, 524288 |
| ; RV32I-NEXT: xor a2, s5, a0 |
| ; RV32I-NEXT: xor a5, a1, a0 |
| ; RV32I-NEXT: mv a0, s4 |
| ; RV32I-NEXT: mv a1, a2 |
| ; RV32I-NEXT: mv a2, s3 |
| ; RV32I-NEXT: mv a3, s2 |
| ; RV32I-NEXT: call fma@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s4, 8(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s5, 4(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fnmadd_d: |
| ; 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 __adddf3@plt |
| ; RV64I-NEXT: mv s2, a0 |
| ; RV64I-NEXT: mv a0, s0 |
| ; RV64I-NEXT: li a1, 0 |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a2, a1, 63 |
| ; 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 fma@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 double 0.0, %a |
| %c_ = fadd double 0.0, %c |
| %nega = fsub double -0.0, %a_ |
| %negc = fsub double -0.0, %c_ |
| %1 = call double @llvm.fma.f64(double %nega, double %b, double %negc) |
| ret double %1 |
| } |
| |
| define double @fnmadd_d_2(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fnmadd_d_2: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft1, fa1, ft0 |
| ; RV32IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV32IFD-NEXT: fnmadd.d fa0, ft1, fa0, ft0 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fnmadd_d_2: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft1, fa1, ft0 |
| ; RV64IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV64IFD-NEXT: fnmadd.d fa0, ft1, fa0, ft0 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fnmadd_d_2: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s5, 4(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: mv s1, a4 |
| ; RV32I-NEXT: mv s2, a1 |
| ; RV32I-NEXT: mv s3, a0 |
| ; RV32I-NEXT: mv a0, a2 |
| ; RV32I-NEXT: mv a1, a3 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv s4, a0 |
| ; RV32I-NEXT: mv s5, a1 |
| ; RV32I-NEXT: mv a0, s1 |
| ; RV32I-NEXT: mv a1, s0 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv a4, a0 |
| ; RV32I-NEXT: lui a0, 524288 |
| ; RV32I-NEXT: xor a3, s5, a0 |
| ; RV32I-NEXT: xor a5, a1, a0 |
| ; RV32I-NEXT: mv a0, s3 |
| ; RV32I-NEXT: mv a1, s2 |
| ; RV32I-NEXT: mv a2, s4 |
| ; RV32I-NEXT: call fma@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s4, 8(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s5, 4(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fnmadd_d_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 __adddf3@plt |
| ; RV64I-NEXT: mv s2, a0 |
| ; RV64I-NEXT: mv a0, s0 |
| ; RV64I-NEXT: li a1, 0 |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a2, a1, 63 |
| ; RV64I-NEXT: xor a1, s2, a2 |
| ; RV64I-NEXT: xor a2, a0, a2 |
| ; RV64I-NEXT: mv a0, s1 |
| ; RV64I-NEXT: call fma@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 double 0.0, %b |
| %c_ = fadd double 0.0, %c |
| %negb = fsub double -0.0, %b_ |
| %negc = fsub double -0.0, %c_ |
| %1 = call double @llvm.fma.f64(double %a, double %negb, double %negc) |
| ret double %1 |
| } |
| |
| define double @fnmadd_d_3(double %a, double %b, double %c) nounwind { |
| ; CHECKIFD-LABEL: fnmadd_d_3: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fmadd.d ft0, fa0, fa1, fa2 |
| ; CHECKIFD-NEXT: fneg.d fa0, ft0 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fnmadd_d_3: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call fma@plt |
| ; RV32I-NEXT: lui a2, 524288 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fnmadd_d_3: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi sp, sp, -16 |
| ; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill |
| ; RV64I-NEXT: call fma@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; 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 double @llvm.fma.f64(double %a, double %b, double %c) |
| %neg = fneg double %1 |
| ret double %neg |
| } |
| |
| |
| define double @fnmadd_nsz(double %a, double %b, double %c) nounwind { |
| ; CHECKIFD-LABEL: fnmadd_nsz: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fnmadd.d fa0, fa0, fa1, fa2 |
| ; CHECKIFD-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 fma@plt |
| ; RV32I-NEXT: lui a2, 524288 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; 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 fma@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; 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 double @llvm.fma.f64(double %a, double %b, double %c) |
| %neg = fneg nsz double %1 |
| ret double %neg |
| } |
| |
| define double @fnmsub_d(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fnmsub_d: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft0, fa0, ft0 |
| ; RV32IFD-NEXT: fnmsub.d fa0, ft0, fa1, fa2 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fnmsub_d: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft0, fa0, ft0 |
| ; RV64IFD-NEXT: fnmsub.d fa0, ft0, fa1, fa2 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fnmsub_d: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: mv s1, a4 |
| ; RV32I-NEXT: mv s2, a3 |
| ; RV32I-NEXT: mv s3, a2 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: lui a2, 524288 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; RV32I-NEXT: mv a2, s3 |
| ; RV32I-NEXT: mv a3, s2 |
| ; RV32I-NEXT: mv a4, s1 |
| ; RV32I-NEXT: mv a5, s0 |
| ; RV32I-NEXT: call fma@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fnmsub_d: |
| ; 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 __adddf3@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: mv a1, s1 |
| ; RV64I-NEXT: mv a2, s0 |
| ; RV64I-NEXT: call fma@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 double 0.0, %a |
| %nega = fsub double -0.0, %a_ |
| %1 = call double @llvm.fma.f64(double %nega, double %b, double %c) |
| ret double %1 |
| } |
| |
| define double @fnmsub_d_2(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fnmsub_d_2: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft0, fa1, ft0 |
| ; RV32IFD-NEXT: fnmsub.d fa0, ft0, fa0, fa2 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fnmsub_d_2: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft0, fa1, ft0 |
| ; RV64IFD-NEXT: fnmsub.d fa0, ft0, fa0, fa2 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fnmsub_d_2: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: mv s1, a4 |
| ; RV32I-NEXT: mv s2, a1 |
| ; RV32I-NEXT: mv s3, a0 |
| ; RV32I-NEXT: mv a0, a2 |
| ; RV32I-NEXT: mv a1, a3 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv a2, a0 |
| ; RV32I-NEXT: lui a0, 524288 |
| ; RV32I-NEXT: xor a3, a1, a0 |
| ; RV32I-NEXT: mv a0, s3 |
| ; RV32I-NEXT: mv a1, s2 |
| ; RV32I-NEXT: mv a4, s1 |
| ; RV32I-NEXT: mv a5, s0 |
| ; RV32I-NEXT: call fma@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fnmsub_d_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 __adddf3@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: xor a1, a0, a1 |
| ; RV64I-NEXT: mv a0, s1 |
| ; RV64I-NEXT: mv a2, s0 |
| ; RV64I-NEXT: call fma@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 double 0.0, %b |
| %negb = fsub double -0.0, %b_ |
| %1 = call double @llvm.fma.f64(double %a, double %negb, double %c) |
| ret double %1 |
| } |
| |
| define double @fmadd_d_contract(double %a, double %b, double %c) nounwind { |
| ; CHECKIFD-LABEL: fmadd_d_contract: |
| ; CHECKIFD: # %bb.0: |
| ; CHECKIFD-NEXT: fmadd.d fa0, fa0, fa1, fa2 |
| ; CHECKIFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fmadd_d_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: mv s0, a5 |
| ; RV32I-NEXT: mv s1, a4 |
| ; RV32I-NEXT: call __muldf3@plt |
| ; RV32I-NEXT: mv a2, s1 |
| ; RV32I-NEXT: mv a3, s0 |
| ; RV32I-NEXT: call __adddf3@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: fmadd_d_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 __muldf3@plt |
| ; RV64I-NEXT: mv a1, s0 |
| ; RV64I-NEXT: call __adddf3@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 double %a, %b |
| %2 = fadd contract double %1, %c |
| ret double %2 |
| } |
| |
| define double @fmsub_d_contract(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fmsub_d_contract: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV32IFD-NEXT: fmsub.d fa0, fa0, fa1, ft0 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fmsub_d_contract: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV64IFD-NEXT: fmsub.d fa0, fa0, fa1, ft0 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fmsub_d_contract: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s5, 4(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a3 |
| ; RV32I-NEXT: mv s1, a2 |
| ; RV32I-NEXT: mv s2, a1 |
| ; RV32I-NEXT: mv s3, a0 |
| ; RV32I-NEXT: mv a0, a4 |
| ; RV32I-NEXT: mv a1, a5 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv s4, a0 |
| ; RV32I-NEXT: mv s5, a1 |
| ; RV32I-NEXT: mv a0, s3 |
| ; RV32I-NEXT: mv a1, s2 |
| ; RV32I-NEXT: mv a2, s1 |
| ; RV32I-NEXT: mv a3, s0 |
| ; RV32I-NEXT: call __muldf3@plt |
| ; RV32I-NEXT: mv a2, s4 |
| ; RV32I-NEXT: mv a3, s5 |
| ; RV32I-NEXT: call __subdf3@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s4, 8(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s5, 4(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fmsub_d_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 __adddf3@plt |
| ; RV64I-NEXT: mv s2, a0 |
| ; RV64I-NEXT: mv a0, s1 |
| ; RV64I-NEXT: mv a1, s0 |
| ; RV64I-NEXT: call __muldf3@plt |
| ; RV64I-NEXT: mv a1, s2 |
| ; RV64I-NEXT: call __subdf3@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 double 0.0, %c ; avoid negation using xor |
| %1 = fmul contract double %a, %b |
| %2 = fsub contract double %1, %c_ |
| ret double %2 |
| } |
| |
| define double @fnmadd_d_contract(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fnmadd_d_contract: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft1, fa0, ft0 |
| ; RV32IFD-NEXT: fadd.d ft2, fa1, ft0 |
| ; RV32IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV32IFD-NEXT: fnmadd.d fa0, ft1, ft2, ft0 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fnmadd_d_contract: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft1, fa0, ft0 |
| ; RV64IFD-NEXT: fadd.d ft2, fa1, ft0 |
| ; RV64IFD-NEXT: fadd.d ft0, fa2, ft0 |
| ; RV64IFD-NEXT: fnmadd.d fa0, ft1, ft2, ft0 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fnmadd_d_contract: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s5, 4(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: mv s1, a4 |
| ; RV32I-NEXT: mv s2, a3 |
| ; RV32I-NEXT: mv s3, a2 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv s4, a0 |
| ; RV32I-NEXT: mv s5, a1 |
| ; RV32I-NEXT: mv a0, s3 |
| ; RV32I-NEXT: mv a1, s2 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv s2, a0 |
| ; RV32I-NEXT: mv s3, a1 |
| ; RV32I-NEXT: mv a0, s1 |
| ; RV32I-NEXT: mv a1, s0 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv s0, a0 |
| ; RV32I-NEXT: mv s1, a1 |
| ; RV32I-NEXT: mv a0, s4 |
| ; RV32I-NEXT: mv a1, s5 |
| ; RV32I-NEXT: mv a2, s2 |
| ; RV32I-NEXT: mv a3, s3 |
| ; RV32I-NEXT: call __muldf3@plt |
| ; RV32I-NEXT: lui a2, 524288 |
| ; RV32I-NEXT: xor a1, a1, a2 |
| ; RV32I-NEXT: mv a2, s0 |
| ; RV32I-NEXT: mv a3, s1 |
| ; RV32I-NEXT: call __subdf3@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s4, 8(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s5, 4(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fnmadd_d_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 __adddf3@plt |
| ; RV64I-NEXT: mv s2, a0 |
| ; RV64I-NEXT: mv a0, s1 |
| ; RV64I-NEXT: li a1, 0 |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: mv s1, a0 |
| ; RV64I-NEXT: mv a0, s0 |
| ; RV64I-NEXT: li a1, 0 |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: mv s0, a0 |
| ; RV64I-NEXT: mv a0, s2 |
| ; RV64I-NEXT: mv a1, s1 |
| ; RV64I-NEXT: call __muldf3@plt |
| ; RV64I-NEXT: li a1, -1 |
| ; RV64I-NEXT: slli a1, a1, 63 |
| ; RV64I-NEXT: xor a0, a0, a1 |
| ; RV64I-NEXT: mv a1, s0 |
| ; RV64I-NEXT: call __subdf3@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 double 0.0, %a ; avoid negation using xor |
| %b_ = fadd double 0.0, %b ; avoid negation using xor |
| %c_ = fadd double 0.0, %c ; avoid negation using xor |
| %1 = fmul contract double %a_, %b_ |
| %2 = fneg double %1 |
| %3 = fsub contract double %2, %c_ |
| ret double %3 |
| } |
| |
| define double @fnmsub_d_contract(double %a, double %b, double %c) nounwind { |
| ; RV32IFD-LABEL: fnmsub_d_contract: |
| ; RV32IFD: # %bb.0: |
| ; RV32IFD-NEXT: fcvt.d.w ft0, zero |
| ; RV32IFD-NEXT: fadd.d ft1, fa0, ft0 |
| ; RV32IFD-NEXT: fadd.d ft0, fa1, ft0 |
| ; RV32IFD-NEXT: fnmsub.d fa0, ft1, ft0, fa2 |
| ; RV32IFD-NEXT: ret |
| ; |
| ; RV64IFD-LABEL: fnmsub_d_contract: |
| ; RV64IFD: # %bb.0: |
| ; RV64IFD-NEXT: fmv.d.x ft0, zero |
| ; RV64IFD-NEXT: fadd.d ft1, fa0, ft0 |
| ; RV64IFD-NEXT: fadd.d ft0, fa1, ft0 |
| ; RV64IFD-NEXT: fnmsub.d fa0, ft1, ft0, fa2 |
| ; RV64IFD-NEXT: ret |
| ; |
| ; RV32I-LABEL: fnmsub_d_contract: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -32 |
| ; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s5, 4(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: mv s1, a4 |
| ; RV32I-NEXT: mv s2, a3 |
| ; RV32I-NEXT: mv s3, a2 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv s4, a0 |
| ; RV32I-NEXT: mv s5, a1 |
| ; RV32I-NEXT: mv a0, s3 |
| ; RV32I-NEXT: mv a1, s2 |
| ; RV32I-NEXT: li a2, 0 |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: call __adddf3@plt |
| ; RV32I-NEXT: mv a2, a0 |
| ; RV32I-NEXT: mv a3, a1 |
| ; RV32I-NEXT: mv a0, s4 |
| ; RV32I-NEXT: mv a1, s5 |
| ; RV32I-NEXT: call __muldf3@plt |
| ; RV32I-NEXT: mv a2, a0 |
| ; RV32I-NEXT: mv a3, a1 |
| ; RV32I-NEXT: mv a0, s1 |
| ; RV32I-NEXT: mv a1, s0 |
| ; RV32I-NEXT: call __subdf3@plt |
| ; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s4, 8(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s5, 4(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fnmsub_d_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 __adddf3@plt |
| ; RV64I-NEXT: mv s2, a0 |
| ; RV64I-NEXT: mv a0, s1 |
| ; RV64I-NEXT: li a1, 0 |
| ; RV64I-NEXT: call __adddf3@plt |
| ; RV64I-NEXT: mv a1, a0 |
| ; RV64I-NEXT: mv a0, s2 |
| ; RV64I-NEXT: call __muldf3@plt |
| ; RV64I-NEXT: mv a1, a0 |
| ; RV64I-NEXT: mv a0, s0 |
| ; RV64I-NEXT: call __subdf3@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 double 0.0, %a ; avoid negation using xor |
| %b_ = fadd double 0.0, %b ; avoid negation using xor |
| %1 = fmul contract double %a_, %b_ |
| %2 = fsub contract double %c, %1 |
| ret double %2 |
| } |