; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV32IFD %s ; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV64IFD %s define float @fcvt_s_d(double %a) nounwind { ; RV32IFD-LABEL: fcvt_s_d: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw a0, 8(sp) ; RV32IFD-NEXT: sw a1, 12(sp) ; RV32IFD-NEXT: fld ft0, 8(sp) ; RV32IFD-NEXT: fcvt.s.d ft0, ft0 ; RV32IFD-NEXT: fmv.x.w a0, ft0 ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_s_d: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.d.x ft0, a0 ; RV64IFD-NEXT: fcvt.s.d ft0, ft0 ; RV64IFD-NEXT: fmv.x.w a0, ft0 ; RV64IFD-NEXT: ret %1 = fptrunc double %a to float ret float %1 } define double @fcvt_d_s(float %a) nounwind { ; RV32IFD-LABEL: fcvt_d_s: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: fmv.w.x ft0, a0 ; RV32IFD-NEXT: fcvt.d.s ft0, ft0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_s: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.w.x ft0, a0 ; RV64IFD-NEXT: fcvt.d.s ft0, ft0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = fpext float %a to double ret double %1 } ; For RV64D, fcvt.l.d is semantically equivalent to fcvt.w.d in this case ; because fptosi will produce poison if the result doesn't fit into an i32. define i32 @fcvt_w_d(double %a) nounwind { ; RV32IFD-LABEL: fcvt_w_d: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw a0, 8(sp) ; RV32IFD-NEXT: sw a1, 12(sp) ; RV32IFD-NEXT: fld ft0, 8(sp) ; RV32IFD-NEXT: fcvt.w.d a0, ft0, rtz ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_w_d: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.d.x ft0, a0 ; RV64IFD-NEXT: fcvt.l.d a0, ft0, rtz ; RV64IFD-NEXT: ret %1 = fptosi double %a to i32 ret i32 %1 } ; For RV64D, fcvt.lu.d is semantically equivalent to fcvt.wu.d in this case ; because fptosi will produce poison if the result doesn't fit into an i32. define i32 @fcvt_wu_d(double %a) nounwind { ; RV32IFD-LABEL: fcvt_wu_d: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw a0, 8(sp) ; RV32IFD-NEXT: sw a1, 12(sp) ; RV32IFD-NEXT: fld ft0, 8(sp) ; RV32IFD-NEXT: fcvt.wu.d a0, ft0, rtz ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_wu_d: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.d.x ft0, a0 ; RV64IFD-NEXT: fcvt.lu.d a0, ft0, rtz ; RV64IFD-NEXT: ret %1 = fptoui double %a to i32 ret i32 %1 } define double @fcvt_d_w(i32 %a) nounwind { ; RV32IFD-LABEL: fcvt_d_w: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: fcvt.d.w ft0, a0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_w: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.w ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = sitofp i32 %a to double ret double %1 } define double @fcvt_d_wu(i32 %a) nounwind { ; RV32IFD-LABEL: fcvt_d_wu: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: fcvt.d.wu ft0, a0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_wu: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.wu ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = uitofp i32 %a to double ret double %1 } define i64 @fcvt_l_d(double %a) nounwind { ; RV32IFD-LABEL: fcvt_l_d: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32IFD-NEXT: call __fixdfdi@plt ; RV32IFD-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_l_d: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.d.x ft0, a0 ; RV64IFD-NEXT: fcvt.l.d a0, ft0, rtz ; RV64IFD-NEXT: ret %1 = fptosi double %a to i64 ret i64 %1 } define i64 @fcvt_lu_d(double %a) nounwind { ; RV32IFD-LABEL: fcvt_lu_d: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32IFD-NEXT: call __fixunsdfdi@plt ; RV32IFD-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_lu_d: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.d.x ft0, a0 ; RV64IFD-NEXT: fcvt.lu.d a0, ft0, rtz ; RV64IFD-NEXT: ret %1 = fptoui double %a to i64 ret i64 %1 } define i64 @fmv_x_d(double %a, double %b) nounwind { ; RV32IFD-LABEL: fmv_x_d: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw a2, 0(sp) ; RV32IFD-NEXT: sw a3, 4(sp) ; RV32IFD-NEXT: fld ft0, 0(sp) ; RV32IFD-NEXT: sw a0, 0(sp) ; RV32IFD-NEXT: sw a1, 4(sp) ; RV32IFD-NEXT: fld ft1, 0(sp) ; RV32IFD-NEXT: fadd.d ft0, ft1, ft0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fmv_x_d: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.d.x ft0, a1 ; RV64IFD-NEXT: fmv.d.x ft1, a0 ; RV64IFD-NEXT: fadd.d ft0, ft1, ft0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = fadd double %a, %b %2 = bitcast double %1 to i64 ret i64 %2 } define double @fcvt_d_l(i64 %a) nounwind { ; RV32IFD-LABEL: fcvt_d_l: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32IFD-NEXT: call __floatdidf@plt ; RV32IFD-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_l: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.l ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = sitofp i64 %a to double ret double %1 } define double @fcvt_d_lu(i64 %a) nounwind { ; RV32IFD-LABEL: fcvt_d_lu: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32IFD-NEXT: call __floatundidf@plt ; RV32IFD-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_lu: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.lu ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = uitofp i64 %a to double ret double %1 } define double @fmv_d_x(i64 %a, i64 %b) nounwind { ; Ensure fmv.w.x is generated even for a soft double calling convention ; RV32IFD-LABEL: fmv_d_x: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -32 ; RV32IFD-NEXT: sw a3, 20(sp) ; RV32IFD-NEXT: sw a2, 16(sp) ; RV32IFD-NEXT: sw a1, 28(sp) ; RV32IFD-NEXT: sw a0, 24(sp) ; RV32IFD-NEXT: fld ft0, 16(sp) ; RV32IFD-NEXT: fld ft1, 24(sp) ; RV32IFD-NEXT: fadd.d ft0, ft1, ft0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 32 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fmv_d_x: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fmv.d.x ft0, a0 ; RV64IFD-NEXT: fmv.d.x ft1, a1 ; RV64IFD-NEXT: fadd.d ft0, ft0, ft1 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = bitcast i64 %a to double %2 = bitcast i64 %b to double %3 = fadd double %1, %2 ret double %3 } define double @fcvt_d_w_i8(i8 signext %a) nounwind { ; RV32IFD-LABEL: fcvt_d_w_i8: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: fcvt.d.w ft0, a0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_w_i8: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.w ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = sitofp i8 %a to double ret double %1 } define double @fcvt_d_wu_i8(i8 zeroext %a) nounwind { ; RV32IFD-LABEL: fcvt_d_wu_i8: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: fcvt.d.wu ft0, a0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_wu_i8: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.wu ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = uitofp i8 %a to double ret double %1 } define double @fcvt_d_w_i16(i16 signext %a) nounwind { ; RV32IFD-LABEL: fcvt_d_w_i16: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: fcvt.d.w ft0, a0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_w_i16: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.w ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = sitofp i16 %a to double ret double %1 } define double @fcvt_d_wu_i16(i16 zeroext %a) nounwind { ; RV32IFD-LABEL: fcvt_d_wu_i16: ; RV32IFD: # %bb.0: ; RV32IFD-NEXT: addi sp, sp, -16 ; RV32IFD-NEXT: fcvt.d.wu ft0, a0 ; RV32IFD-NEXT: fsd ft0, 8(sp) ; RV32IFD-NEXT: lw a0, 8(sp) ; RV32IFD-NEXT: lw a1, 12(sp) ; RV32IFD-NEXT: addi sp, sp, 16 ; RV32IFD-NEXT: ret ; ; RV64IFD-LABEL: fcvt_d_wu_i16: ; RV64IFD: # %bb.0: ; RV64IFD-NEXT: fcvt.d.wu ft0, a0 ; RV64IFD-NEXT: fmv.x.d a0, ft0 ; RV64IFD-NEXT: ret %1 = uitofp i16 %a to double ret double %1 }