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[flang][cuda] Add bind name for __double2float_XX interfaces #153275

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Merged
merged 3 commits into from
Aug 13, 2025
Merged

[flang][cuda] Add bind name for __double2float_XX interfaces #153275

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0f0a120
[flang][cuda] Add bind name for __double2float_XX interfaces
clementval Aug 12, 2025
149b0f2
Merge branch 'main' into cuf___double2float_XX
clementval Aug 13, 2025
0a08a44
Merge branch 'main' into cuf___double2float_XX
clementval Aug 13, 2025
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8 changes: 4 additions & 4 deletions flang/module/cudadevice.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -507,28 +507,28 @@ attributes(device) real(8) function sinpi(x) bind(c,name='__nv_sinpi')
end interface

interface __double2float_rn
attributes(device) real function __double2float_rn(r) bind(c)
attributes(device) real function __double2float_rn(r) bind(c, name='__nv_double2float_rn')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __double2float_rz
attributes(device) real function __double2float_rz(r) bind(c)
attributes(device) real function __double2float_rz(r) bind(c, name='__nv_double2float_rz')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __double2float_ru
attributes(device) real function __double2float_ru(r) bind(c)
attributes(device) real function __double2float_ru(r) bind(c, name='__nv_double2float_ru')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __double2float_rd
attributes(device) real function __double2float_rd(r) bind(c)
attributes(device) real function __double2float_rd(r) bind(c, name='__nv_double2float_rd')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
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9 changes: 8 additions & 1 deletion flang/test/Lower/CUDA/cuda-device-proc.cuf
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Expand Up @@ -65,10 +65,13 @@ attributes(global) subroutine devsub()
ad = __ddiv_rz(ad, ad)
ad = __ddiv_ru(ad, ad)
ad = __ddiv_rd(ad, ad)
af = __double2float_rn(ad)
af = __double2float_rz(ad)
af = __double2float_ru(ad)
af = __double2float_rd(ad)
ai = __mul24(ai, ai)
ai = __umul24(ai, ai)
af = __powf(af, af)

end

! CHECK-LABEL: func.func @_QPdevsub() attributes {cuf.proc_attr = #cuf.cuda_proc<global>}
Expand Down Expand Up @@ -122,6 +125,10 @@ end
! CHECK: %{{.*}} = fir.call @__nv_ddiv_rz(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64, f64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ddiv_ru(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64, f64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ddiv_rd(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64, f64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_double2float_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> f32
! CHECK: %{{.*}} = fir.call @__nv_double2float_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> f32
! CHECK: %{{.*}} = fir.call @__nv_double2float_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> f32
! CHECK: %{{.*}} = fir.call @__nv_double2float_rd(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> f32
! CHECK: %{{.*}} = fir.call @__nv_mul24(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32, i32) -> i32
! CHECK: %{{.*}} = fir.call @__nv_umul24(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32, i32) -> i32
! CHECK: %{{.*}} = fir.call @__nv_powf(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32, f32) -> f32
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