xref: /llvm-project/llvm/test/CodeGen/RISCV/rv64-double-convert.ll (revision 9122c5235ec85ce0c0ad337e862b006e7b349d84)

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN:   -target-abi=lp64 | FileCheck %s -check-prefixes=CHECK,RV64I
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN:   -target-abi=lp64d | FileCheck %s -check-prefixes=CHECK,RV64ID
; RUN: llc -mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs < %s \
; RUN:   -target-abi=lp64 | FileCheck %s -check-prefixes=CHECK,RV64IDINX

define i128 @fptosi_f64_to_i128(double %a) nounwind {
; CHECK-LABEL: fptosi_f64_to_i128:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -16
; CHECK-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    call __fixdfti
; CHECK-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 16
; CHECK-NEXT:    ret
  %1 = fptosi double %a to i128
  ret i128 %1
}

define i128 @fptoui_f64_to_i128(double %a) nounwind {
; CHECK-LABEL: fptoui_f64_to_i128:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -16
; CHECK-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    call __fixunsdfti
; CHECK-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 16
; CHECK-NEXT:    ret
  %1 = fptoui double %a to i128
  ret i128 %1
}

define double @sitofp_i128_to_f64(i128 %a) nounwind {
; CHECK-LABEL: sitofp_i128_to_f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -16
; CHECK-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    call __floattidf
; CHECK-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 16
; CHECK-NEXT:    ret
  %1 = sitofp i128 %a to double
  ret double %1
}

define double @uitofp_i128_to_f64(i128 %a) nounwind {
; CHECK-LABEL: uitofp_i128_to_f64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -16
; CHECK-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    call __floatuntidf
; CHECK-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 16
; CHECK-NEXT:    ret
  %1 = uitofp i128 %a to double
  ret double %1
}

define i128 @fptosi_sat_f64_to_i128(double %a) nounwind {
; RV64I-LABEL: fptosi_sat_f64_to_i128:
; RV64I:       # %bb.0:
; RV64I-NEXT:    addi sp, sp, -64
; RV64I-NEXT:    sd ra, 56(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s0, 48(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s1, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s2, 32(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s3, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s4, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s5, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT:    mv s0, a0
; RV64I-NEXT:    li a1, -449
; RV64I-NEXT:    slli a1, a1, 53
; RV64I-NEXT:    call __gedf2
; RV64I-NEXT:    mv s2, a0
; RV64I-NEXT:    mv a0, s0
; RV64I-NEXT:    call __fixdfti
; RV64I-NEXT:    mv s1, a0
; RV64I-NEXT:    mv s3, a1
; RV64I-NEXT:    li s5, -1
; RV64I-NEXT:    bgez s2, .LBB4_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    slli s3, s5, 63
; RV64I-NEXT:  .LBB4_2:
; RV64I-NEXT:    li a0, 575
; RV64I-NEXT:    slli a0, a0, 53
; RV64I-NEXT:    addi a1, a0, -1
; RV64I-NEXT:    mv a0, s0
; RV64I-NEXT:    call __gtdf2
; RV64I-NEXT:    mv s4, a0
; RV64I-NEXT:    blez a0, .LBB4_4
; RV64I-NEXT:  # %bb.3:
; RV64I-NEXT:    srli s3, s5, 1
; RV64I-NEXT:  .LBB4_4:
; RV64I-NEXT:    mv a0, s0
; RV64I-NEXT:    mv a1, s0
; RV64I-NEXT:    call __unorddf2
; RV64I-NEXT:    snez a0, a0
; RV64I-NEXT:    slti a1, s2, 0
; RV64I-NEXT:    sgtz a2, s4
; RV64I-NEXT:    addi a0, a0, -1
; RV64I-NEXT:    addi a3, a1, -1
; RV64I-NEXT:    and a1, a0, s3
; RV64I-NEXT:    and a3, a3, s1
; RV64I-NEXT:    neg a2, a2
; RV64I-NEXT:    or a2, a2, a3
; RV64I-NEXT:    and a0, a0, a2
; RV64I-NEXT:    ld ra, 56(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s0, 48(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s1, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s2, 32(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s3, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s4, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s5, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT:    addi sp, sp, 64
; RV64I-NEXT:    ret
;
; RV64ID-LABEL: fptosi_sat_f64_to_i128:
; RV64ID:       # %bb.0:
; RV64ID-NEXT:    addi sp, sp, -32
; RV64ID-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; RV64ID-NEXT:    sd s0, 16(sp) # 8-byte Folded Spill
; RV64ID-NEXT:    fsd fs0, 8(sp) # 8-byte Folded Spill
; RV64ID-NEXT:    lui a0, %hi(.LCPI4_0)
; RV64ID-NEXT:    fld fa5, %lo(.LCPI4_0)(a0)
; RV64ID-NEXT:    fmv.d fs0, fa0
; RV64ID-NEXT:    fle.d s0, fa5, fa0
; RV64ID-NEXT:    call __fixdfti
; RV64ID-NEXT:    li a2, -1
; RV64ID-NEXT:    bnez s0, .LBB4_2
; RV64ID-NEXT:  # %bb.1:
; RV64ID-NEXT:    slli a1, a2, 63
; RV64ID-NEXT:  .LBB4_2:
; RV64ID-NEXT:    lui a3, %hi(.LCPI4_1)
; RV64ID-NEXT:    fld fa5, %lo(.LCPI4_1)(a3)
; RV64ID-NEXT:    flt.d a3, fa5, fs0
; RV64ID-NEXT:    beqz a3, .LBB4_4
; RV64ID-NEXT:  # %bb.3:
; RV64ID-NEXT:    srli a1, a2, 1
; RV64ID-NEXT:  .LBB4_4:
; RV64ID-NEXT:    feq.d a2, fs0, fs0
; RV64ID-NEXT:    neg a3, a3
; RV64ID-NEXT:    neg a4, s0
; RV64ID-NEXT:    neg a2, a2
; RV64ID-NEXT:    and a0, a4, a0
; RV64ID-NEXT:    and a1, a2, a1
; RV64ID-NEXT:    or a0, a3, a0
; RV64ID-NEXT:    and a0, a2, a0
; RV64ID-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; RV64ID-NEXT:    ld s0, 16(sp) # 8-byte Folded Reload
; RV64ID-NEXT:    fld fs0, 8(sp) # 8-byte Folded Reload
; RV64ID-NEXT:    addi sp, sp, 32
; RV64ID-NEXT:    ret
;
; RV64IDINX-LABEL: fptosi_sat_f64_to_i128:
; RV64IDINX:       # %bb.0:
; RV64IDINX-NEXT:    addi sp, sp, -32
; RV64IDINX-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; RV64IDINX-NEXT:    sd s0, 16(sp) # 8-byte Folded Spill
; RV64IDINX-NEXT:    sd s1, 8(sp) # 8-byte Folded Spill
; RV64IDINX-NEXT:    mv s0, a0
; RV64IDINX-NEXT:    li a0, -449
; RV64IDINX-NEXT:    slli a0, a0, 53
; RV64IDINX-NEXT:    fle.d s1, a0, s0
; RV64IDINX-NEXT:    mv a0, s0
; RV64IDINX-NEXT:    call __fixdfti
; RV64IDINX-NEXT:    li a2, -1
; RV64IDINX-NEXT:    bnez s1, .LBB4_2
; RV64IDINX-NEXT:  # %bb.1:
; RV64IDINX-NEXT:    slli a1, a2, 63
; RV64IDINX-NEXT:  .LBB4_2:
; RV64IDINX-NEXT:    lui a3, %hi(.LCPI4_0)
; RV64IDINX-NEXT:    ld a3, %lo(.LCPI4_0)(a3)
; RV64IDINX-NEXT:    flt.d a3, a3, s0
; RV64IDINX-NEXT:    beqz a3, .LBB4_4
; RV64IDINX-NEXT:  # %bb.3:
; RV64IDINX-NEXT:    srli a1, a2, 1
; RV64IDINX-NEXT:  .LBB4_4:
; RV64IDINX-NEXT:    feq.d a2, s0, s0
; RV64IDINX-NEXT:    neg a3, a3
; RV64IDINX-NEXT:    neg a4, s1
; RV64IDINX-NEXT:    neg a2, a2
; RV64IDINX-NEXT:    and a0, a4, a0
; RV64IDINX-NEXT:    and a1, a2, a1
; RV64IDINX-NEXT:    or a0, a3, a0
; RV64IDINX-NEXT:    and a0, a2, a0
; RV64IDINX-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; RV64IDINX-NEXT:    ld s0, 16(sp) # 8-byte Folded Reload
; RV64IDINX-NEXT:    ld s1, 8(sp) # 8-byte Folded Reload
; RV64IDINX-NEXT:    addi sp, sp, 32
; RV64IDINX-NEXT:    ret
  %1 = tail call i128 @llvm.fptosi.sat.i128.f64(double %a)
  ret i128 %1
}
declare i128 @llvm.fptosi.sat.i128.f64(double)

define i128 @fptoui_sat_f64_to_i128(double %a) nounwind {
; RV64I-LABEL: fptoui_sat_f64_to_i128:
; RV64I:       # %bb.0:
; RV64I-NEXT:    addi sp, sp, -48
; RV64I-NEXT:    sd ra, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s0, 32(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s1, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s2, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT:    sd s3, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT:    mv s0, a0
; RV64I-NEXT:    li a1, 0
; RV64I-NEXT:    call __gedf2
; RV64I-NEXT:    slti a0, a0, 0
; RV64I-NEXT:    addi s2, a0, -1
; RV64I-NEXT:    mv a0, s0
; RV64I-NEXT:    call __fixunsdfti
; RV64I-NEXT:    mv s1, a1
; RV64I-NEXT:    and s3, s2, a0
; RV64I-NEXT:    li a0, 1151
; RV64I-NEXT:    slli a0, a0, 52
; RV64I-NEXT:    addi a1, a0, -1
; RV64I-NEXT:    mv a0, s0
; RV64I-NEXT:    call __gtdf2
; RV64I-NEXT:    sgtz a0, a0
; RV64I-NEXT:    and a1, s2, s1
; RV64I-NEXT:    neg a2, a0
; RV64I-NEXT:    or a0, a2, s3
; RV64I-NEXT:    or a1, a2, a1
; RV64I-NEXT:    ld ra, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s0, 32(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s1, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s2, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT:    ld s3, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT:    addi sp, sp, 48
; RV64I-NEXT:    ret
;
; RV64ID-LABEL: fptoui_sat_f64_to_i128:
; RV64ID:       # %bb.0:
; RV64ID-NEXT:    addi sp, sp, -32
; RV64ID-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; RV64ID-NEXT:    sd s0, 16(sp) # 8-byte Folded Spill
; RV64ID-NEXT:    fsd fs0, 8(sp) # 8-byte Folded Spill
; RV64ID-NEXT:    fmv.d fs0, fa0
; RV64ID-NEXT:    fmv.d.x fa5, zero
; RV64ID-NEXT:    fle.d a0, fa5, fa0
; RV64ID-NEXT:    neg s0, a0
; RV64ID-NEXT:    call __fixunsdfti
; RV64ID-NEXT:    lui a2, %hi(.LCPI5_0)
; RV64ID-NEXT:    fld fa5, %lo(.LCPI5_0)(a2)
; RV64ID-NEXT:    and a0, s0, a0
; RV64ID-NEXT:    and a1, s0, a1
; RV64ID-NEXT:    flt.d a2, fa5, fs0
; RV64ID-NEXT:    neg a2, a2
; RV64ID-NEXT:    or a0, a2, a0
; RV64ID-NEXT:    or a1, a2, a1
; RV64ID-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; RV64ID-NEXT:    ld s0, 16(sp) # 8-byte Folded Reload
; RV64ID-NEXT:    fld fs0, 8(sp) # 8-byte Folded Reload
; RV64ID-NEXT:    addi sp, sp, 32
; RV64ID-NEXT:    ret
;
; RV64IDINX-LABEL: fptoui_sat_f64_to_i128:
; RV64IDINX:       # %bb.0:
; RV64IDINX-NEXT:    addi sp, sp, -32
; RV64IDINX-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; RV64IDINX-NEXT:    sd s0, 16(sp) # 8-byte Folded Spill
; RV64IDINX-NEXT:    sd s1, 8(sp) # 8-byte Folded Spill
; RV64IDINX-NEXT:    mv s0, a0
; RV64IDINX-NEXT:    fle.d a0, zero, a0
; RV64IDINX-NEXT:    neg s1, a0
; RV64IDINX-NEXT:    mv a0, s0
; RV64IDINX-NEXT:    call __fixunsdfti
; RV64IDINX-NEXT:    lui a2, %hi(.LCPI5_0)
; RV64IDINX-NEXT:    ld a2, %lo(.LCPI5_0)(a2)
; RV64IDINX-NEXT:    and a0, s1, a0
; RV64IDINX-NEXT:    and a1, s1, a1
; RV64IDINX-NEXT:    flt.d a2, a2, s0
; RV64IDINX-NEXT:    neg a2, a2
; RV64IDINX-NEXT:    or a0, a2, a0
; RV64IDINX-NEXT:    or a1, a2, a1
; RV64IDINX-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
; RV64IDINX-NEXT:    ld s0, 16(sp) # 8-byte Folded Reload
; RV64IDINX-NEXT:    ld s1, 8(sp) # 8-byte Folded Reload
; RV64IDINX-NEXT:    addi sp, sp, 32
; RV64IDINX-NEXT:    ret
  %1 = tail call i128 @llvm.fptoui.sat.i128.f64(double %a)
  ret i128 %1
}
declare i128 @llvm.fptoui.sat.i128.f64(double)