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[flang][cuda] Add interface for __saturatef #153705

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Merged
merged 2 commits into from
Aug 14, 2025
Merged

[flang][cuda] Add interface for __saturatef #153705

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[flang][cuda] Add interface for __saturatef
clementval Aug 14, 2025
3a8c295
Merge branch 'main' into cuf_saturatef
clementval Aug 14, 2025
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7 changes: 7 additions & 0 deletions flang/module/cudadevice.f90
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Expand Up @@ -325,6 +325,13 @@ attributes(device) real(8) function rsqrt(x) bind(c,name='__nv_rsqrt')
end function
end interface

interface saturate
attributes(device) real function __saturatef(r) bind(c, name='__nv_saturatef')
!dir$ ignore_tkr (d) r
real, value :: r
end function
end interface

interface __sad
attributes(device) integer function __sad(i,j,k) bind(c, name='__nv_sad')
!dir$ ignore_tkr (d) i, (d) j, (d) k
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9 changes: 9 additions & 0 deletions flang/test/Lower/CUDA/cuda-libdevice.cuf
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Expand Up @@ -162,6 +162,15 @@ end subroutine
! CHECK: %{{.*}} = fir.call @__nv_double2ull_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i64
! CHECK: %{{.*}} = fir.call @__nv_double2ull_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i64

attributes(global) subroutine test_saturatef()
real :: res
real :: r
res = __saturatef(r)
end subroutine

! CHECK-LABEL: _QPtest_saturatef
! CHECK: %{{.*}} = fir.call @__nv_saturatef(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> f32

attributes(global) subroutine test_float2ll_rX()
integer(8) :: res
real :: r
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